chore: bump to 12.0.0-preview2.

* fix: fix android demo issues.

* feat: enable CoreCLR usage on Android.

.github/workflows/deploy.yml

@@ -2,7 +2,7 @@ name: Deploy to GitHub Pages
 
 env:
   PROJECT_PATH: demo/Semi.Avalonia.Demo.Web/Semi.Avalonia.Demo.Web.csproj
-  OUTPUT_PATH: demo/Semi.Avalonia.Demo.Web/bin/Release/net8.0-browser/publish/wwwroot
+  OUTPUT_PATH: demo/Semi.Avalonia.Demo.Web/bin/Release/net10.0-browser/publish/wwwroot
 on:
   workflow_dispatch:
 
@@ -11,12 +11,13 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4.1.1
+        uses: actions/checkout@v5
 
-      - name: Setup .NET 8
-        uses: actions/setup-dotnet@v4
+      - name: Setup dotnet
+        uses: actions/setup-dotnet@v5
         with:
-          dotnet-version: 8.0.x
+          dotnet-version: |
+            10.0.x
 
       - name: Install wasm-tools
         run: dotnet workload install wasm-tools

.github/workflows/pack-nightly.yml

@@ -31,7 +31,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4.2.2
+        uses: actions/checkout@v5
 
       - name: Get Version
         run: |

.github/workflows/pack.yml

@@ -47,7 +47,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4.2.2
+        uses: actions/checkout@v5
 
       - name: Pack Semi.Avalonia
         if: ${{ inputs.Semi_Avalonia }}

.github/workflows/publish.yml

@@ -75,7 +75,7 @@ jobs:
     runs-on: windows-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4.2.2
+        uses: actions/checkout@v5
       - name: Publish win-x64
         run: dotnet publish demo/Semi.Avalonia.Demo.Desktop -r win-x64 -c Release -o publish --sc /p:PublishSingleFile=true /p:IncludeNativeLibrariesForSelfExtract=true
       - name: Upload a Build Artifact
@@ -91,7 +91,7 @@ jobs:
     runs-on: windows-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4.2.2
+        uses: actions/checkout@v5
       - name: Enable Native AOT in .csproj
         run: sed -i 's#<!--<PublishAot>true</PublishAot>-->#<PublishAot>true</PublishAot>#' demo/Semi.Avalonia.Demo.Desktop/Semi.Avalonia.Demo.Desktop.csproj
       - name: Publish win-x64 AOT
@@ -109,7 +109,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4.2.2
+        uses: actions/checkout@v5
       - name: Publish linux-x64
         run: dotnet publish demo/Semi.Avalonia.Demo.Desktop -r linux-x64 -c Release -o publish --sc /p:PublishSingleFile=true /p:IncludeNativeLibrariesForSelfExtract=true
       - name: Upload a Build Artifact
@@ -125,7 +125,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4.2.2
+        uses: actions/checkout@v5
       - name: Enable Native AOT in .csproj
         run: sed -i 's#<!--<PublishAot>true</PublishAot>-->#<PublishAot>true</PublishAot>#' demo/Semi.Avalonia.Demo.Desktop/Semi.Avalonia.Demo.Desktop.csproj
       - name: Publish linux-x64 AOT
@@ -143,7 +143,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4.2.2
+        uses: actions/checkout@v5
       - name: Publish linux-x64 DRM
         run: dotnet publish demo/Semi.Avalonia.Demo.Drm -r linux-x64 -c Release -o publish --sc /p:PublishSingleFile=true /p:IncludeNativeLibrariesForSelfExtract=true
       - name: Upload a Build Artifact
@@ -159,7 +159,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4.2.2
+        uses: actions/checkout@v5
       - name: Enable Native AOT in .csproj
         run: sed -i 's#<!--<PublishAot>true</PublishAot>-->#<PublishAot>true</PublishAot>#' demo/Semi.Avalonia.Demo.Drm/Semi.Avalonia.Demo.Drm.csproj
       - name: Publish linux-x64 AOT
@@ -177,7 +177,7 @@ jobs:
     runs-on: macos-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4.2.2
+        uses: actions/checkout@v5
       - name: Publish osx-arm64
         run: dotnet publish demo/Semi.Avalonia.Demo.Desktop -r osx-arm64 -c Release -o publish --sc /p:PublishSingleFile=true /p:IncludeNativeLibrariesForSelfExtract=true
       - name: Upload a Build Artifact
@@ -193,7 +193,7 @@ jobs:
     runs-on: macos-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4.2.2
+        uses: actions/checkout@v5
       - name: Enable Native AOT in .csproj
         run: sed -i '' 's#<!--<PublishAot>true</PublishAot>-->#<PublishAot>true</PublishAot>#' demo/Semi.Avalonia.Demo.Desktop/Semi.Avalonia.Demo.Desktop.csproj
       - name: Publish osx-arm64 AOT
@@ -211,13 +211,13 @@ jobs:
     runs-on: windows-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4.2.2
-      - name: CD Android
-        run: cd demo/Semi.Avalonia.Demo.Android
+        uses: actions/checkout@v5
+      - name: Install Android workload
+        run: dotnet workload install android
       - name: Restore Dependencies
-        run: dotnet restore
+        run: dotnet restore demo/Semi.Avalonia.Demo.Android
       - name: Publish Android
-        run: dotnet publish demo/Semi.Avalonia.Demo.Android -c Release -f net8.0-android --no-restore -o publish /p:RuntimeIdentifier=android-arm64
+        run: dotnet publish demo/Semi.Avalonia.Demo.Android -c Release -f net10.0-android --no-restore -o publish /p:RuntimeIdentifier=android-arm64
       - name: Upload a Build Artifact
         uses: actions/upload-artifact@v4.6.2
         with:

Nuget.Config

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<configuration>
+    <packageSources>
+        <add key="avalonia-nightly" value="https://nuget-feed-nightly.avaloniaui.net/v3/index.json" />
+    </packageSources>
+</configuration>

README.md

@@ -75,13 +75,12 @@ We offer limited free community support for Semi Avalonia and Ursa. If you have
 
 ## Version compatibility
 
-| Semi Design Version | Avalonia Version |
-|:--------------------|:-----------------|
-| 11.2.1              | >=11.2.1         |
-| 11.2.0              | 11.2.0           |
-| 11.1.0              | >=11.1.0         |
-| 11.0.7              | >=11.0.7         |
-| 11.0.1              | <=11.0.6         |
+| Semi Avalonia Version | Avalonia Version |
+|:----------------------|:-----------------|
+| 11.3.7                | >=11.3.7         |
+| 11.2.1                | >=11.2.1         |
+| 11.2.0                | End of Life      |
+| 11.1.x                | End of Life      |
 
 ## Credits
 

README_CN.md

@@ -75,13 +75,12 @@ dotnet add package Semi.Avalonia.AvaloniaEdit
 
 ## 版本兼容性
 
-| Semi Design Version | Avalonia Version |
-|:--------------------|:-----------------|
-| 11.2.1              | >=11.2.1         |
-| 11.2.0              | 11.2.0           |
-| 11.1.0              | >=11.1.0         |
-| 11.0.7              | >=11.0.7         |
-| 11.0.1              | <=11.0.6         |
+| Semi Avalonia Version | Avalonia Version |
+|:----------------------|:-----------------|
+| 11.3.7                | >=11.3.7         |
+| 11.2.1                | >=11.2.1         |
+| 11.2.0                | End of Life      |
+| 11.1.x                | End of Life      |
 
 ## 致谢
 

Semi.Avalonia.sln

@@ -1,99 +0,0 @@
-
-Microsoft Visual Studio Solution File, Format Version 12.00
-# Visual Studio Version 17
-VisualStudioVersion = 17.3.32929.385
-MinimumVisualStudioVersion = 10.0.40219.1
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Semi.Avalonia", "src\Semi.Avalonia\Semi.Avalonia.csproj", "{90D0B063-BC64-40AB-A56C-AC11909CF410}"
-EndProject
-Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Files", "Solution Files", "{B1E6A7D4-0AFB-4D32-9969-5FBDAC0CFF3E}"
-	ProjectSection(SolutionItems) = preProject
-		demo\Directory.Build.props = demo\Directory.Build.props
-		demo\global.json = demo\global.json
-		src\Package.props = src\Package.props
-	EndProjectSection
-EndProject
-Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "GitHub Action", "GitHub Action", "{318534A1-1CC3-40FB-B4AE-736F94465232}"
-	ProjectSection(SolutionItems) = preProject
-		.github\workflows\deploy.yml = .github\workflows\deploy.yml
-		.github\workflows\pack.yml = .github\workflows\pack.yml
-		.github\workflows\pack-nightly.yml = .github\workflows\pack-nightly.yml
-		.github\workflows\publish.yml = .github\workflows\publish.yml
-		.github\workflows\release-tag.yml = .github\workflows\release-tag.yml
-	EndProjectSection
-EndProject
-Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Demo", "Demo", "{43091528-9509-43CB-A003-9C5C11E96DD6}"
-EndProject
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Semi.Avalonia.Demo.Desktop", "demo\Semi.Avalonia.Demo.Desktop\Semi.Avalonia.Demo.Desktop.csproj", "{2ADCA724-2B6D-46EC-87F7-604D7918B89A}"
-EndProject
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Semi.Avalonia.Demo.Web", "demo\Semi.Avalonia.Demo.Web\Semi.Avalonia.Demo.Web.csproj", "{69A2C77D-6DB7-4AE4-B179-D1F5CF5E2DF0}"
-EndProject
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Semi.Avalonia.Demo", "demo\Semi.Avalonia.Demo\Semi.Avalonia.Demo.csproj", "{D789AEDB-EBDF-4450-8E8E-B4A03FB257B0}"
-EndProject
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Semi.Avalonia.DataGrid", "src\Semi.Avalonia.DataGrid\Semi.Avalonia.DataGrid.csproj", "{8A90C292-8761-4F70-8E1F-EFC097FEADB3}"
-EndProject
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Semi.Avalonia.ColorPicker", "src\Semi.Avalonia.ColorPicker\Semi.Avalonia.ColorPicker.csproj", "{0B64C2F2-FDCD-48E4-AB9D-7CCC63B006CA}"
-EndProject
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Semi.Avalonia.Demo.Android", "demo\Semi.Avalonia.Demo.Android\Semi.Avalonia.Demo.Android.csproj", "{0C81FC1C-5D2D-478A-9876-923A0C85EC2F}"
-EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Semi.Avalonia.Demo.Drm", "demo\Semi.Avalonia.Demo.Drm\Semi.Avalonia.Demo.Drm.csproj", "{86D93406-412A-4429-93B2-92AAD0407784}"
-EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Semi.Avalonia.TreeDataGrid", "src\Semi.Avalonia.TreeDataGrid\Semi.Avalonia.TreeDataGrid.csproj", "{398D2998-0835-41F5-99A3-608CAB8051E2}"
-EndProject
-Global
-	GlobalSection(SolutionConfigurationPlatforms) = preSolution
-		Debug|Any CPU = Debug|Any CPU
-		Release|Any CPU = Release|Any CPU
-	EndGlobalSection
-	GlobalSection(ProjectConfigurationPlatforms) = postSolution
-		{90D0B063-BC64-40AB-A56C-AC11909CF410}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{90D0B063-BC64-40AB-A56C-AC11909CF410}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{90D0B063-BC64-40AB-A56C-AC11909CF410}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{90D0B063-BC64-40AB-A56C-AC11909CF410}.Release|Any CPU.Build.0 = Release|Any CPU
-		{2ADCA724-2B6D-46EC-87F7-604D7918B89A}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{2ADCA724-2B6D-46EC-87F7-604D7918B89A}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{2ADCA724-2B6D-46EC-87F7-604D7918B89A}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{2ADCA724-2B6D-46EC-87F7-604D7918B89A}.Release|Any CPU.Build.0 = Release|Any CPU
-		{69A2C77D-6DB7-4AE4-B179-D1F5CF5E2DF0}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{69A2C77D-6DB7-4AE4-B179-D1F5CF5E2DF0}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{69A2C77D-6DB7-4AE4-B179-D1F5CF5E2DF0}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{69A2C77D-6DB7-4AE4-B179-D1F5CF5E2DF0}.Release|Any CPU.Build.0 = Release|Any CPU
-		{D789AEDB-EBDF-4450-8E8E-B4A03FB257B0}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{D789AEDB-EBDF-4450-8E8E-B4A03FB257B0}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{D789AEDB-EBDF-4450-8E8E-B4A03FB257B0}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{D789AEDB-EBDF-4450-8E8E-B4A03FB257B0}.Release|Any CPU.Build.0 = Release|Any CPU
-		{8A90C292-8761-4F70-8E1F-EFC097FEADB3}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{8A90C292-8761-4F70-8E1F-EFC097FEADB3}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{8A90C292-8761-4F70-8E1F-EFC097FEADB3}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{8A90C292-8761-4F70-8E1F-EFC097FEADB3}.Release|Any CPU.Build.0 = Release|Any CPU
-		{0B64C2F2-FDCD-48E4-AB9D-7CCC63B006CA}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{0B64C2F2-FDCD-48E4-AB9D-7CCC63B006CA}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{0B64C2F2-FDCD-48E4-AB9D-7CCC63B006CA}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{0B64C2F2-FDCD-48E4-AB9D-7CCC63B006CA}.Release|Any CPU.Build.0 = Release|Any CPU
-		{0C81FC1C-5D2D-478A-9876-923A0C85EC2F}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{0C81FC1C-5D2D-478A-9876-923A0C85EC2F}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{0C81FC1C-5D2D-478A-9876-923A0C85EC2F}.Debug|Any CPU.Deploy.0 = Debug|Any CPU
-		{0C81FC1C-5D2D-478A-9876-923A0C85EC2F}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{0C81FC1C-5D2D-478A-9876-923A0C85EC2F}.Release|Any CPU.Build.0 = Release|Any CPU
-		{86D93406-412A-4429-93B2-92AAD0407784}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{86D93406-412A-4429-93B2-92AAD0407784}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{86D93406-412A-4429-93B2-92AAD0407784}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{86D93406-412A-4429-93B2-92AAD0407784}.Release|Any CPU.Build.0 = Release|Any CPU
-		{398D2998-0835-41F5-99A3-608CAB8051E2}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{398D2998-0835-41F5-99A3-608CAB8051E2}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{398D2998-0835-41F5-99A3-608CAB8051E2}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{398D2998-0835-41F5-99A3-608CAB8051E2}.Release|Any CPU.Build.0 = Release|Any CPU
-	EndGlobalSection
-	GlobalSection(SolutionProperties) = preSolution
-		HideSolutionNode = FALSE
-	EndGlobalSection
-	GlobalSection(NestedProjects) = preSolution
-		{2ADCA724-2B6D-46EC-87F7-604D7918B89A} = {43091528-9509-43CB-A003-9C5C11E96DD6}
-		{69A2C77D-6DB7-4AE4-B179-D1F5CF5E2DF0} = {43091528-9509-43CB-A003-9C5C11E96DD6}
-		{D789AEDB-EBDF-4450-8E8E-B4A03FB257B0} = {43091528-9509-43CB-A003-9C5C11E96DD6}
-		{0C81FC1C-5D2D-478A-9876-923A0C85EC2F} = {43091528-9509-43CB-A003-9C5C11E96DD6}
-		{86D93406-412A-4429-93B2-92AAD0407784} = {43091528-9509-43CB-A003-9C5C11E96DD6}
-	EndGlobalSection
-	GlobalSection(ExtensibilityGlobals) = postSolution
-		SolutionGuid = {7CA41ED3-2CED-40CC-AA21-28C3B42B1E86}
-	EndGlobalSection
-EndGlobal

Semi.Avalonia.slnx

@@ -0,0 +1,28 @@
+<Solution>
+    <Folder Name="/Demo/">
+        <Project Path="demo/Semi.Avalonia.Demo.Android/Semi.Avalonia.Demo.Android.csproj"/>
+        <Project Path="demo/Semi.Avalonia.Demo.Desktop/Semi.Avalonia.Demo.Desktop.csproj"/>
+        <Project Path="demo/Semi.Avalonia.Demo.Drm/Semi.Avalonia.Demo.Drm.csproj"/>
+        <Project Path="demo/Semi.Avalonia.Demo.Web/Semi.Avalonia.Demo.Web.csproj"/>
+        <Project Path="demo/Semi.Avalonia.Demo/Semi.Avalonia.Demo.csproj"/>
+    </Folder>
+    <Folder Name="/GitHub Action/">
+        <File Path=".github/workflows/deploy.yml"/>
+        <File Path=".github/workflows/pack-nightly.yml"/>
+        <File Path=".github/workflows/pack.yml"/>
+        <File Path=".github/workflows/publish.yml"/>
+        <File Path=".github/workflows/release-tag.yml"/>
+    </Folder>
+    <Folder Name="/Solution Items/Demo/">
+        <File Path="demo/Directory.Packages.props"/>
+        <File Path="demo/global.json"/>
+    </Folder>
+    <Folder Name="/Solution Items/Package/">
+        <File Path="src/Directory.Packages.props"/>
+        <File Path="src/Directory.Build.props"/>
+    </Folder>
+    <Project Path="src/Semi.Avalonia.ColorPicker/Semi.Avalonia.ColorPicker.csproj"/>
+    <Project Path="src/Semi.Avalonia.DataGrid/Semi.Avalonia.DataGrid.csproj"/>
+    <Project Path="src/Semi.Avalonia.TreeDataGrid/Semi.Avalonia.TreeDataGrid.csproj"/>
+    <Project Path="src/Semi.Avalonia/Semi.Avalonia.csproj"/>
+</Solution>

demo/Directory.Build.props

@@ -1,7 +0,0 @@
-<Project>
-    <PropertyGroup>
-        <AvaloniaVersion>11.3.7</AvaloniaVersion>
-        <DataGridVersion>11.3.7</DataGridVersion>
-        <CommunityToolkitVersion>8.4.0</CommunityToolkitVersion>
-    </PropertyGroup>
-</Project>

demo/Directory.Packages.props

@@ -0,0 +1,27 @@
+<Project>
+    <PropertyGroup>
+        <ManagePackageVersionsCentrally>true</ManagePackageVersionsCentrally>
+        <AvaloniaVersion>12.0.0-preview2</AvaloniaVersion>
+        <DataGridVersion>11.3.10</DataGridVersion>
+        <SkiaSharpVersion>3.119.1</SkiaSharpVersion>
+    </PropertyGroup>
+    <ItemGroup>
+        <PackageVersion Include="Avalonia" Version="$(AvaloniaVersion)"/>
+        <PackageVersion Include="AvaloniaUI.DiagnosticsSupport" Version="2.2.0-beta3"/>
+        <PackageVersion Include="Avalonia.Desktop" Version="$(AvaloniaVersion)" />
+        <PackageVersion Include="Avalonia.LinuxFramebuffer" Version="$(AvaloniaVersion)"/>
+        <PackageVersion Include="Avalonia.iOS" Version="$(AvaloniaVersion)" />
+        <PackageVersion Include="Avalonia.Browser" Version="$(AvaloniaVersion)" />
+        <PackageVersion Include="Avalonia.Android" Version="$(AvaloniaVersion)" />
+        <PackageVersion Include="Avalonia.Controls.ColorPicker" Version="$(AvaloniaVersion)"/>
+        <PackageVersion Include="Avalonia.Controls.DataGrid" Version="$(DataGridVersion)"/>
+
+        <PackageVersion Include="SkiaSharp" Version="$(SkiaSharpVersion)"/>
+        <PackageVersion Include="SkiaSharp.NativeAssets.WebAssembly" Version="$(SkiaSharpVersion)"/>
+
+        <PackageVersion Include="Xamarin.AndroidX.Core.SplashScreen" Version="1.2.0"/>
+
+        <PackageVersion Include="CommunityToolkit.Mvvm" Version="8.4.0"/>
+        <PackageVersion Include="Irihi.Avalonia.Shared" Version="0.3.1"/>
+    </ItemGroup>
+</Project>

demo/Semi.Avalonia.Demo.Android/Application.cs

@@ -0,0 +1,20 @@
+using Android.App;
+using Android.Runtime;
+using Avalonia;
+using Avalonia.Android;
+
+namespace Semi.Avalonia.Demo.Android;
+
+[Application]
+public class Application : AvaloniaAndroidApplication<App>
+{
+    protected Application(nint javaReference, JniHandleOwnership transfer) : base(javaReference, transfer)
+    {
+    }
+
+    protected override AppBuilder CustomizeAppBuilder(AppBuilder builder)
+    {
+        return base.CustomizeAppBuilder(builder)
+            .WithSourceHanSansCNFont();
+    }
+}

demo/Semi.Avalonia.Demo.Android/AvaloniaAppBuilderExtensions.cs

@@ -0,0 +1,16 @@
+using Avalonia;
+using Avalonia.Media;
+
+namespace Semi.Avalonia.Demo.Android;
+
+public static class AvaloniaAppBuilderExtensions
+{
+    private static string DefaultFontFamily => "avares://Semi.Avalonia.Demo.Android/Assets#Source Han Sans CN";
+
+    public static AppBuilder WithSourceHanSansCNFont(this AppBuilder builder) =>
+        builder.With(new FontManagerOptions
+        {
+            DefaultFamilyName = DefaultFontFamily,
+            FontFallbacks = [new FontFallback { FontFamily = new FontFamily(DefaultFontFamily) }]
+        });
+}

demo/Semi.Avalonia.Demo.Android/MainActivity.cs

@@ -11,6 +11,4 @@ namespace Semi.Avalonia.Demo.Android;
     MainLauncher = true,
     LaunchMode = LaunchMode.SingleTop,
     ConfigurationChanges = ConfigChanges.Orientation | ConfigChanges.ScreenSize | ConfigChanges.UiMode)]
-public class MainActivity : AvaloniaMainActivity<App>
-{
-}
+public class MainActivity : AvaloniaMainActivity;

demo/Semi.Avalonia.Demo.Android/Semi.Avalonia.Demo.Android.csproj

@@ -1,8 +1,8 @@
 <Project Sdk="Microsoft.NET.Sdk">
     <PropertyGroup>
         <OutputType>Exe</OutputType>
-        <TargetFramework>net8.0-android</TargetFramework>
-        <SupportedOSPlatformVersion>21</SupportedOSPlatformVersion>
+        <TargetFramework>net10.0-android</TargetFramework>
+        <SupportedOSPlatformVersion>23</SupportedOSPlatformVersion>
         <Nullable>enable</Nullable>
         <ApplicationId>com.irihitech.Semi.Avalonia</ApplicationId>
         <ApplicationVersion>1</ApplicationVersion>
@@ -13,13 +13,20 @@
         <RootNamespace>Semi.Avalonia.Demo.Android</RootNamespace>
     </PropertyGroup>
 
+    <!-- Use CoreCLR on Android -->
+    <PropertyGroup Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'android'">
+        <UseMonoRuntime>false</UseMonoRuntime>
+        <PublishReadyToRun>true</PublishReadyToRun>
+    </PropertyGroup>
+
     <ItemGroup>
         <AndroidResource Include="Icon.png" Link="Resources\drawable\Icon.png"/>
+        <AvaloniaResource Include="..\Fonts\*" Link="Assets\Fonts\%(Filename)%(Extension)" />
     </ItemGroup>
 
     <ItemGroup>
-        <PackageReference Include="Avalonia.Android" Version="$(AvaloniaVersion)"/>
-        <PackageReference Include="Xamarin.AndroidX.Core.SplashScreen" Version="1.0.1.1"/>
+        <PackageReference Include="Avalonia.Android"/>
+        <PackageReference Include="Xamarin.AndroidX.Core.SplashScreen"/>
     </ItemGroup>
 
     <ItemGroup>

demo/Semi.Avalonia.Demo.Desktop/Semi.Avalonia.Demo.Desktop.csproj

@@ -23,7 +23,7 @@
     </ItemGroup>
 
     <ItemGroup>
-        <PackageReference Include="Avalonia.Desktop" Version="$(AvaloniaVersion)"/>
+        <PackageReference Include="Avalonia.Desktop"/>
     </ItemGroup>
 
     <ItemGroup>

demo/Semi.Avalonia.Demo.Drm/Semi.Avalonia.Demo.Drm.csproj

@@ -23,8 +23,8 @@
     </ItemGroup>
 
     <ItemGroup>
-        <PackageReference Include="Avalonia.Desktop" Version="$(AvaloniaVersion)"/>
-        <PackageReference Include="Avalonia.LinuxFramebuffer" Version="$(AvaloniaVersion)"/>
+        <PackageReference Include="Avalonia.Desktop"/>
+        <PackageReference Include="Avalonia.LinuxFramebuffer"/>
     </ItemGroup>
 
     <ItemGroup>

demo/Semi.Avalonia.Demo.Web/Semi.Avalonia.Demo.Web.csproj

@@ -1,17 +1,19 @@
 <Project Sdk="Microsoft.NET.Sdk.WebAssembly">
     <PropertyGroup>
-        <TargetFramework>net8.0-browser</TargetFramework>
+        <TargetFramework>net10.0-browser</TargetFramework>
         <OutputType>Exe</OutputType>
         <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
         <Nullable>enable</Nullable>
     </PropertyGroup>
 
     <ItemGroup>
-        <AvaloniaResource Include="Assets\**"/>
+        <AvaloniaResource Include="..\Fonts\*" Link="Assets\Fonts\%(Filename)%(Extension)" />
     </ItemGroup>
 
     <ItemGroup>
-        <PackageReference Include="Avalonia.Browser" Version="$(AvaloniaVersion)"/>
+        <PackageReference Include="Avalonia.Browser"/>
+        <PackageReference Include="SkiaSharp"/>
+        <PackageReference Include="SkiaSharp.NativeAssets.WebAssembly"/>
     </ItemGroup>
 
     <ItemGroup>

demo/Semi.Avalonia.Demo/App.axaml

@@ -10,8 +10,8 @@
         <semi:SemiTheme Locale="zh-CN" />
         <semi:SemiPopupAnimations />
         <semi:ColorPickerSemiTheme />
-        <semi:DataGridSemiTheme />
-        <semi:TreeDataGridSemiTheme />
+        <!-- <semi:DataGridSemiTheme /> -->
+        <!-- <semi:TreeDataGridSemiTheme /> -->
     </Application.Styles>
     <Application.Resources>
         <ResourceDictionary>

demo/Semi.Avalonia.Demo/App.axaml.cs

@@ -12,6 +12,9 @@ public partial class App : Application
     public override void Initialize()
     {
         AvaloniaXamlLoader.Load(this);
+#if DEBUG
+        this.AttachDeveloperTools();
+#endif
         this.DataContext = new ApplicationViewModel();
     }
 
@@ -22,7 +25,7 @@ public partial class App : Application
             case IClassicDesktopStyleApplicationLifetime desktop:
                 // Line below is needed to remove Avalonia data validation.
                 // Without this line you will get duplicate validations from both Avalonia and CT
-                BindingPlugins.DataValidators.RemoveAt(0);
+                // BindingPlugins.DataValidators.RemoveAt(0);
                 desktop.MainWindow = new MainWindow();
                 break;
             case ISingleViewApplicationLifetime singleView:

demo/Semi.Avalonia.Demo/Constant/ColorTokens.cs

@@ -79,6 +79,32 @@ public static class ColorTokens
         new("SemiColorDangerLightActive", "Danger Light Active")
     ];
 
+    public static IReadOnlyList<Tuple<string, string>> AIGeneralTokens { get; } =
+    [
+        new("SemiColorAIGeneral", "AI General"),
+        new("SemiColorAIGeneralPointerover", "AI General Pointerover"),
+        new("SemiColorAIGeneralActive", "AI General Active"),
+        new("SemiColorAIGeneralDisabled", "AI General Disabled")
+    ];
+
+    public static IReadOnlyList<Tuple<string, string>> AIPurpleTokens { get; } =
+    [
+        new("SemiColorAIPurple", "AI Purple"),
+        new("SemiColorAIPurplePointerover", "AI Purple Pointerover"),
+        new("SemiColorAIPurpleActive", "AI Purple Active"),
+        new("SemiColorAIPurpleDisabled", "AI Purple Disabled")
+    ];
+
+    public static IReadOnlyList<Tuple<string, string>> AIBackgroundTokens { get; } =
+    [
+        new("SemiColorAIBackgroundBottom", "AI Bottom Background"),
+        new("SemiColorAIBackgroundBottomPointerover", "AI Bottom Background Pointerover"),
+        new("SemiColorAIBackgroundBottomActive", "AI Bottom Background Active"),
+        new("SemiColorAIBackgroundTop", "AI Top Background"),
+        new("SemiColorAIBackgroundTopPointerover", "AI Top Background Pointerover"),
+        new("SemiColorAIBackgroundTopActive", "AI Top Background Active"),
+    ];
+
     public static IReadOnlyList<Tuple<string, string>> TextTokens { get; } =
     [
         new("SemiColorText0", "Text 0"),

demo/Semi.Avalonia.Demo/Controls/ColorDetailControl.cs

@@ -3,6 +3,7 @@ using System.Threading.Tasks;
 using Avalonia;
 using Avalonia.Controls;
 using Avalonia.Controls.Primitives;
+using Avalonia.Input.Platform;
 using Avalonia.Media;
 using Semi.Avalonia.Demo.Converters;
 
@@ -92,6 +93,12 @@ public class ColorDetailControl : TemplatedControl
             Hex2 = hex2 as string;
             OpacityNumber = brush.Opacity.ToString(CultureInfo.InvariantCulture);
         }
+        else
+        {
+            Hex = null;
+            Hex2 = null;
+            OpacityNumber = null;
+        }
     }
 
     public async Task Copy(object o)

demo/Semi.Avalonia.Demo/Pages/AutoCompleteBoxDemo.axaml

@@ -28,7 +28,7 @@
         </StackPanel.Styles>
 
         <AutoCompleteBox
-            Watermark="Please select a State"
+            PlaceholderText="Please select a State"
             ValueMemberBinding="{Binding Name,DataType=vm:StateData}" />
         <AutoCompleteBox
             Classes="Large"
@@ -41,7 +41,7 @@
             ValueMemberBinding="{Binding Name,DataType=vm:StateData}" />
         <AutoCompleteBox
             IsEnabled="False"
-            Watermark="Disabled"
+            PlaceholderText="Disabled"
             ValueMemberBinding="{Binding Name,DataType=vm:StateData}" />
         <AutoCompleteBox
             InnerLeftContent="https://"
@@ -52,16 +52,16 @@
             <AutoCompleteBox
                 Width="100"
                 Classes="Large"
-                Watermark="Large"
+                PlaceholderText="Large"
                 ValueMemberBinding="{Binding Name,DataType=vm:StateData}" />
             <AutoCompleteBox
                 Width="100"
-                Watermark="Default"
+                PlaceholderText="Default"
                 ValueMemberBinding="{Binding Name,DataType=vm:StateData}" />
             <AutoCompleteBox
                 Width="100"
                 Classes="Small"
-                Watermark="Small"
+                PlaceholderText="Small"
                 ValueMemberBinding="{Binding Name,DataType=vm:StateData}" />
         </StackPanel>
 
@@ -69,12 +69,12 @@
             <AutoCompleteBox
                 Width="100"
                 IsEnabled="False"
-                Watermark="Disabled"
+                PlaceholderText="Disabled"
                 ValueMemberBinding="{Binding Name,DataType=vm:StateData}" />
             <AutoCompleteBox
                 Width="100"
                 Classes="Bordered"
-                Watermark="Bordered"
+                PlaceholderText="Bordered"
                 ValueMemberBinding="{Binding Name,DataType=vm:StateData}" />
             <AutoCompleteBox
                 Width="100"

demo/Semi.Avalonia.Demo/Pages/ButtonDemo.axaml

@@ -6,174 +6,369 @@
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
     mc:Ignorable="d">
     <ScrollViewer>
-        <StackPanel HorizontalAlignment="Left" Spacing="20">
+        <StackPanel HorizontalAlignment="Left" Spacing="8">
             <StackPanel.Styles>
-                <Style Selector="SplitButton">
-                    <Setter Property="Flyout">
-                        <MenuFlyout Placement="BottomEdgeAlignedRight">
-                            <MenuItem Header="Submit All" />
-                            <MenuItem Header="Submit Updated" />
-                        </MenuFlyout>
-                    </Setter>
-                </Style>
-                <Style Selector="DropDownButton">
-                    <Setter Property="Flyout">
-                        <MenuFlyout Placement="BottomEdgeAlignedRight">
-                            <MenuItem Header="Submit All" />
-                            <MenuItem Header="Submit Updated" />
-                        </MenuFlyout>
-                    </Setter>
-                </Style>
-                <Style Selector="ToggleSplitButton">
-                    <Setter Property="Flyout">
-                        <MenuFlyout Placement="BottomEdgeAlignedRight">
+                <Style Selector="SplitButton,DropDownButton,ToggleSplitButton">
+                    <Setter Property="Button.Flyout">
+                        <MenuFlyout>
                             <MenuItem Header="Submit All" />
                             <MenuItem Header="Submit Updated" />
                         </MenuFlyout>
                     </Setter>
                 </Style>
             </StackPanel.Styles>
+            <HeaderedContentControl
+                Theme="{StaticResource GroupBox}">
+                <HeaderedContentControl.Header>
+                    <StackPanel Spacing="8">
+                        <TextBlock Text="Button/RepeatButton Theme" />
+                        <WrapPanel ItemSpacing="4">
+                            <TextBlock Text="Theme:" />
+                            <Label Theme="{StaticResource TagLabel}" Classes="Blue Solid" Content="Light" />
+                            <Label Theme="{StaticResource TagLabel}" Classes="Blue Solid" Content="Solid" />
+                            <Label Theme="{StaticResource TagLabel}" Classes="Blue Solid" Content="Outline" />
+                            <Label Theme="{StaticResource TagLabel}" Classes="Blue Solid" Content="Borderless" />
+                        </WrapPanel>
+                        <WrapPanel ItemSpacing="4">
+                            <TextBlock Text="Classes:" />
+                            <Label Theme="{StaticResource TagLabel}" Classes="Blue" Content="Primary" />
+                            <Label Theme="{StaticResource TagLabel}" Classes="Blue" Content="Secondary" />
+                            <Label Theme="{StaticResource TagLabel}" Classes="Blue" Content="Tertiary" />
+                            <Label Theme="{StaticResource TagLabel}" Classes="Blue" Content="Success" />
+                            <Label Theme="{StaticResource TagLabel}" Classes="Blue" Content="Warning" />
+                            <Label Theme="{StaticResource TagLabel}" Classes="Blue" Content="Danger" />
+                        </WrapPanel>
+                    </StackPanel>
+                </HeaderedContentControl.Header>
+                <StackPanel HorizontalAlignment="Left" Spacing="16">
+                    <WrapPanel ItemSpacing="16" LineSpacing="16">
+                        <Button Content="Default" />
+                        <Button Content="Primary" Classes="Primary" />
+                        <Button Content="Secondary" Classes="Secondary" />
+                        <Button Content="Tertiary" Classes="Tertiary" />
+                        <Button Content="Success" Classes="Success" />
+                        <Button Content="Warning" Classes="Warning" />
+                        <Button Content="Danger" Classes="Danger" />
+                    </WrapPanel>
+                    <WrapPanel ItemSpacing="16" LineSpacing="16">
+                        <Button Content="Default" Theme="{StaticResource SolidButton}" />
+                        <Button Content="Primary" Classes="Primary" Theme="{StaticResource SolidButton}" />
+                        <Button Content="Secondary" Classes="Secondary" Theme="{StaticResource SolidButton}" />
+                        <Button Content="Tertiary" Classes="Tertiary" Theme="{StaticResource SolidButton}" />
+                        <Button Content="Success" Classes="Success" Theme="{StaticResource SolidButton}" />
+                        <Button Content="Warning" Classes="Warning" Theme="{StaticResource SolidButton}" />
+                        <Button Content="Danger" Classes="Danger" Theme="{StaticResource SolidButton}" />
+                    </WrapPanel>
+                    <WrapPanel ItemSpacing="16" LineSpacing="16">
+                        <Button Content="Default" Theme="{StaticResource OutlineButton}" />
+                        <Button Content="Primary" Classes="Primary" Theme="{StaticResource OutlineButton}" />
+                        <Button Content="Secondary" Classes="Secondary" Theme="{StaticResource OutlineButton}" />
+                        <Button Content="Tertiary" Classes="Tertiary" Theme="{StaticResource OutlineButton}" />
+                        <Button Content="Success" Classes="Success" Theme="{StaticResource OutlineButton}" />
+                        <Button Content="Warning" Classes="Warning" Theme="{StaticResource OutlineButton}" />
+                        <Button Content="Danger" Classes="Danger" Theme="{StaticResource OutlineButton}" />
+                    </WrapPanel>
+                    <WrapPanel ItemSpacing="16" LineSpacing="16">
+                        <Button Content="Default" Theme="{StaticResource BorderlessButton}" />
+                        <Button Content="Primary" Classes="Primary" Theme="{StaticResource BorderlessButton}" />
+                        <Button Content="Secondary" Classes="Secondary" Theme="{StaticResource BorderlessButton}" />
+                        <Button Content="Tertiary" Classes="Tertiary" Theme="{StaticResource BorderlessButton}" />
+                        <Button Content="Success" Classes="Success" Theme="{StaticResource BorderlessButton}" />
+                        <Button Content="Warning" Classes="Warning" Theme="{StaticResource BorderlessButton}" />
+                        <Button Content="Danger" Classes="Danger" Theme="{StaticResource BorderlessButton}" />
+                    </WrapPanel>
+                </StackPanel>
+            </HeaderedContentControl>
 
-            <TextBlock>Light (Default)</TextBlock>
-            <StackPanel Orientation="Horizontal" Spacing="20">
-                <Button Classes="Primary">Primary</Button>
-                <Button Classes="Secondary">Secondary</Button>
-                <Button Classes="Tertiary">Tertiary</Button>
-                <Button Classes="Success">Success</Button>
-                <Button Classes="Warning">Warning</Button>
-                <Button Classes="Danger">Danger</Button>
-                <Button Classes="Danger" IsEnabled="False">Disabled</Button>
-            </StackPanel>
-            <TextBlock>Solid</TextBlock>
-            <StackPanel Orientation="Horizontal" Spacing="20">
-                <Button Classes="Primary" Theme="{DynamicResource SolidButton}">Primary</Button>
-                <Button Classes="Secondary" Theme="{DynamicResource SolidButton}">Secondary</Button>
-                <Button Classes="Tertiary" Theme="{DynamicResource SolidButton}">Tertiary</Button>
-                <Button Classes="Success" Theme="{DynamicResource SolidButton}">Success</Button>
-                <Button Classes="Warning" Theme="{DynamicResource SolidButton}">Warning</Button>
-                <Button Classes="Danger" Theme="{DynamicResource SolidButton}">Danger</Button>
-                <Button
-                    Classes="Danger"
-                    IsEnabled="False"
-                    Theme="{DynamicResource SolidButton}">
-                    Disabled
-                </Button>
-            </StackPanel>
-            <TextBlock>Outline</TextBlock>
-            <StackPanel Orientation="Horizontal" Spacing="20">
-                <Button Classes="Primary" Theme="{DynamicResource OutlineButton}">Primary</Button>
-                <Button Classes="Secondary" Theme="{DynamicResource OutlineButton}">Secondary</Button>
-                <Button Classes="Tertiary" Theme="{DynamicResource OutlineButton}">Tertiary</Button>
-                <Button Classes="Success" Theme="{DynamicResource OutlineButton}">Success</Button>
-                <Button Classes="Warning" Theme="{DynamicResource OutlineButton}">Warning</Button>
-                <Button Classes="Danger" Theme="{DynamicResource OutlineButton}">Danger</Button>
-                <Button Classes="Danger" Theme="{DynamicResource OutlineButton}" IsEnabled="False">Disabled</Button>
-            </StackPanel>
-            <TextBlock>Borderless</TextBlock>
-            <StackPanel Orientation="Horizontal" Spacing="20">
-                <Button Classes="Primary" Theme="{DynamicResource BorderlessButton}">Primary</Button>
-                <Button Classes="Secondary" Theme="{DynamicResource BorderlessButton}">Secondary</Button>
-                <Button Classes="Tertiary" Theme="{DynamicResource BorderlessButton}">Tertiary</Button>
-                <Button Classes="Success" Theme="{DynamicResource BorderlessButton}">Success</Button>
-                <Button Classes="Warning" Theme="{DynamicResource BorderlessButton}">Warning</Button>
-                <Button Classes="Danger" Theme="{DynamicResource BorderlessButton}">Danger</Button>
-                <Button
-                    Classes="Danger"
-                    IsEnabled="False"
-                    Theme="{DynamicResource BorderlessButton}">
-                    Disabled
-                </Button>
-            </StackPanel>
-            <TextBlock>Disabled</TextBlock>
-            <StackPanel Background="{DynamicResource SemiColorBackground1}" Orientation="Horizontal" Spacing="20">
-                <Button IsEnabled="False">Light</Button>
-                <Button IsEnabled="False" Theme="{DynamicResource SolidButton}">Solid</Button>
-                <Button IsEnabled="False" Theme="{DynamicResource OutlineButton}">Outline</Button>
-                <Button IsEnabled="False" Theme="{DynamicResource BorderlessButton}">Borderless</Button>
-            </StackPanel>
-            <TextBlock>Size Classes</TextBlock>
-            <StackPanel Orientation="Horizontal" Spacing="20">
-                <Button Classes="Primary Small">Small</Button>
-                <Button Classes="Primary">Default</Button>
-                <Button Classes="Primary Large">Large</Button>
-            </StackPanel>
+            <HeaderedContentControl
+                Theme="{StaticResource GroupBox}"
+                Header="Prohibited Status">
+                <WrapPanel ItemSpacing="16" LineSpacing="16">
+                    <Button Content="Light" IsEnabled="False" />
+                    <Button Content="Solid" IsEnabled="False" Theme="{StaticResource SolidButton}" />
+                    <Button Content="Outline" IsEnabled="False" Theme="{StaticResource OutlineButton}" />
+                    <Button Content="Borderless" IsEnabled="False" Theme="{StaticResource BorderlessButton}" />
+                </WrapPanel>
+            </HeaderedContentControl>
 
-            <TextBlock>DropDownButton</TextBlock>
-            <StackPanel Orientation="Horizontal" Spacing="8">
-                <DropDownButton Content="Primary" />
-                <DropDownButton Classes="Secondary" Content="Secondary" />
-                <DropDownButton Classes="Tertiary" Content="Tertiary" />
-                <DropDownButton Classes="Success" Content="Success" />
-                <DropDownButton Classes="Warning" Content="Warning" />
-                <DropDownButton Classes="Danger" Content="Danger" />
-                <DropDownButton
-                    Classes="Danger"
-                    Content="Disabled"
-                    IsEnabled="False" />
-            </StackPanel>
-            <StackPanel Orientation="Horizontal" Spacing="8">
-                <DropDownButton Content="Default" Classes="Success" />
-                <DropDownButton Content="Solid" Theme="{DynamicResource SolidDropDownButton}" Classes="Success" />
-                <DropDownButton Content="Outline" Theme="{DynamicResource OutlineDropDownButton}" Classes="Success" />
-                <DropDownButton Content="Borderless" Theme="{DynamicResource BorderlessDropDownButton}" Classes="Success" />
-                <DropDownButton Content="Default" Classes="Success" IsEnabled="False" />
-                <DropDownButton Content="Solid" Theme="{DynamicResource SolidDropDownButton}" Classes="Success" IsEnabled="False" />
-                <DropDownButton Content="Outline" Theme="{DynamicResource OutlineDropDownButton}" Classes="Success" IsEnabled="False" />
-                <DropDownButton Content="Borderless" Theme="{DynamicResource BorderlessDropDownButton}" Classes="Success" IsEnabled="False" />
-            </StackPanel>
-            <StackPanel Orientation="Horizontal" Spacing="8">
-                <DropDownButton Classes="Small" Content="Small" />
-                <DropDownButton Content="Default" />
-                <DropDownButton Classes="Large" Content="Large" />
-            </StackPanel>
+            <HeaderedContentControl
+                Theme="{StaticResource GroupBox}">
+                <HeaderedContentControl.Header>
+                    <StackPanel Spacing="8">
+                        <WrapPanel ItemSpacing="4">
+                            <TextBlock Text="Size Classes:" />
+                            <Label Theme="{StaticResource TagLabel}" Classes="Blue" Content="Large" />
+                            <Label Theme="{StaticResource TagLabel}" Classes="Blue" Content="Small" />
+                        </WrapPanel>
+                    </StackPanel>
+                </HeaderedContentControl.Header>
+                <WrapPanel ItemSpacing="16" LineSpacing="16">
+                    <Button Content="Large" Classes="Large" />
+                    <Button Content="Default" />
+                    <Button Content="Small" Classes="Small" />
+                </WrapPanel>
+            </HeaderedContentControl>
 
-            <TextBlock>SplitButton</TextBlock>
-            <StackPanel Orientation="Horizontal" Spacing="8">
-                <SplitButton Content="Primary" />
-                <SplitButton Classes="Secondary" Content="Secondary" />
-                <SplitButton Classes="Tertiary" Content="Tertiary" />
-                <SplitButton Classes="Success" Content="Success" />
-                <SplitButton Classes="Warning" Content="Warning" />
-                <SplitButton Classes="Danger" Content="Danger" />
-                <SplitButton Classes="Danger" Content="Disabled" IsEnabled="False" />
-            </StackPanel>
-            <StackPanel Orientation="Horizontal" Spacing="8">
-                <SplitButton Content="Default" Classes="Success" />
-                <SplitButton Content="Solid" Theme="{DynamicResource SolidSplitButton}" Classes="Success" />
-                <SplitButton Content="Outline" Theme="{DynamicResource OutlineSplitButton}" Classes="Success" />
-                <SplitButton Content="Borderless" Theme="{DynamicResource BorderlessSplitButton}" Classes="Success" />
-                <SplitButton Content="Default" Classes="Success" IsEnabled="False" />
-                <SplitButton Content="Solid" Theme="{DynamicResource SolidSplitButton}" Classes="Success" IsEnabled="False" />
-                <SplitButton Content="Outline" Theme="{DynamicResource OutlineSplitButton}" Classes="Success" IsEnabled="False" />
-                <SplitButton Content="Borderless" Theme="{DynamicResource BorderlessSplitButton}" Classes="Success" IsEnabled="False" />
-            </StackPanel>
-            <StackPanel Orientation="Horizontal" Spacing="8">
-                <SplitButton Classes="Small" Content="Small" />
-                <SplitButton Content="Default" />
-                <SplitButton Classes="Large" Content="Large" />
-            </StackPanel>
+            <HeaderedContentControl
+                Theme="{StaticResource GroupBox}">
+                <HeaderedContentControl.Header>
+                    <StackPanel Spacing="8">
+                        <TextBlock Text="AI style - Colorful Button" />
+                        <WrapPanel ItemSpacing="4">
+                            <TextBlock Text="Theme:" />
+                            <Label Theme="{StaticResource TagLabel}" Classes="Colorful Gradient Solid" Content="Light" />
+                            <Label Theme="{StaticResource TagLabel}" Classes="Colorful Gradient Solid" Content="Solid" />
+                            <Label Theme="{StaticResource TagLabel}" Classes="Colorful Gradient Solid" Content="Outline" />
+                            <Label Theme="{StaticResource TagLabel}" Classes="Colorful Gradient Solid" Content="Borderless" />
+                        </WrapPanel>
+                        <WrapPanel ItemSpacing="4">
+                            <TextBlock Text="Classes:" />
+                            <Label Theme="{StaticResource TagLabel}" Classes="Colorful Gradient" Content="Colorful Primary" />
+                            <Label Theme="{StaticResource TagLabel}" Classes="Colorful Gradient" Content="Colorful Tertiary" />
+                        </WrapPanel>
+                    </StackPanel>
+                </HeaderedContentControl.Header>
+                <StackPanel HorizontalAlignment="Left" Spacing="16">
+                    <WrapPanel ItemSpacing="16" LineSpacing="16">
+                        <Button Content="Primary" Classes="Colorful Primary" />
+                        <Button Content="Tertiary" Classes="Colorful Tertiary" />
+                        <Button Content="Disabled" Classes="Colorful Primary" IsEnabled="False" />
+                    </WrapPanel>
+                    <WrapPanel ItemSpacing="16" LineSpacing="16">
+                        <Button Content="Primary" Classes="Colorful Primary" Theme="{StaticResource SolidButton}" />
+                        <Button Content="Tertiary" Classes="Colorful Tertiary" Theme="{StaticResource SolidButton}" />
+                        <Button Content="Disabled" Classes="Colorful Primary" Theme="{StaticResource SolidButton}" IsEnabled="False" />
+                    </WrapPanel>
+                    <WrapPanel ItemSpacing="16" LineSpacing="16">
+                        <Button Content="Primary" Classes="Colorful Primary" Theme="{StaticResource OutlineButton}" />
+                        <Button Content="Tertiary" Classes="Colorful Tertiary" Theme="{StaticResource OutlineButton}" />
+                        <Button Content="Disabled" Classes="Colorful Primary" Theme="{StaticResource OutlineButton}" IsEnabled="False" />
+                    </WrapPanel>
+                    <WrapPanel ItemSpacing="16" LineSpacing="16">
+                        <Button Content="Primary" Classes="Colorful Primary" Theme="{StaticResource BorderlessButton}" />
+                        <Button Content="Tertiary" Classes="Colorful Tertiary" Theme="{StaticResource BorderlessButton}" />
+                        <Button Content="Disabled" Classes="Colorful Primary" Theme="{StaticResource BorderlessButton}" IsEnabled="False" />
+                    </WrapPanel>
+                </StackPanel>
+            </HeaderedContentControl>
 
-            <TextBlock>ToggleSplitButton</TextBlock>
-            <StackPanel Orientation="Horizontal" Spacing="8">
-                <ToggleSplitButton Content="Primary" />
-                <ToggleSplitButton Classes="Secondary" Content="Secondary" />
-                <ToggleSplitButton Classes="Tertiary" Content="Tertiary" />
-                <ToggleSplitButton Classes="Success" Content="Success" />
-                <ToggleSplitButton Classes="Warning" Content="Warning" />
-                <ToggleSplitButton Classes="Danger" Content="Danger" />
-                <ToggleSplitButton Classes="Danger" Content="Disabled" IsEnabled="False" />
-            </StackPanel>
-            <StackPanel Orientation="Horizontal" Spacing="8">
-                <ToggleSplitButton Content="Default" Classes="Success" />
-                <ToggleSplitButton Content="Checked" Classes="Success" IsChecked="True" />
-                <ToggleSplitButton Content="Default" Classes="Success" IsEnabled="False" />
-                <ToggleSplitButton Content="Checked" Classes="Success" IsChecked="True" IsEnabled="False" />
-            </StackPanel>
-            <StackPanel Orientation="Horizontal" Spacing="8">
-                <ToggleSplitButton Classes="Small" Content="Small" />
-                <ToggleSplitButton Content="Default" />
-                <ToggleSplitButton Classes="Large" Content="Large" />
-            </StackPanel>
+            <HeaderedContentControl
+                Theme="{StaticResource GroupBox}" Header="DropDownButton">
+                <StackPanel HorizontalAlignment="Left" Spacing="16">
+                    <WrapPanel ItemSpacing="16" LineSpacing="16">
+                        <DropDownButton Content="Default" />
+                        <DropDownButton Content="Primary" Classes="Primary" />
+                        <DropDownButton Content="Secondary" Classes="Secondary" />
+                        <DropDownButton Content="Tertiary" Classes="Tertiary" />
+                        <DropDownButton Content="Success" Classes="Success" />
+                        <DropDownButton Content="Warning" Classes="Warning" />
+                        <DropDownButton Content="Danger" Classes="Danger" />
+                    </WrapPanel>
+                    <WrapPanel ItemSpacing="16" LineSpacing="16">
+                        <DropDownButton Content="Default" Theme="{StaticResource SolidDropDownButton}" />
+                        <DropDownButton Content="Primary" Classes="Primary" Theme="{StaticResource SolidDropDownButton}" />
+                        <DropDownButton Content="Secondary" Classes="Secondary" Theme="{StaticResource SolidDropDownButton}" />
+                        <DropDownButton Content="Tertiary" Classes="Tertiary" Theme="{StaticResource SolidDropDownButton}" />
+                        <DropDownButton Content="Success" Classes="Success" Theme="{StaticResource SolidDropDownButton}" />
+                        <DropDownButton Content="Warning" Classes="Warning" Theme="{StaticResource SolidDropDownButton}" />
+                        <DropDownButton Content="Danger" Classes="Danger" Theme="{StaticResource SolidDropDownButton}" />
+                    </WrapPanel>
+                    <WrapPanel ItemSpacing="16" LineSpacing="16">
+                        <DropDownButton Content="Default" Theme="{StaticResource OutlineDropDownButton}" />
+                        <DropDownButton Content="Primary" Classes="Primary" Theme="{StaticResource OutlineDropDownButton}" />
+                        <DropDownButton Content="Secondary" Classes="Secondary" Theme="{StaticResource OutlineDropDownButton}" />
+                        <DropDownButton Content="Tertiary" Classes="Tertiary" Theme="{StaticResource OutlineDropDownButton}" />
+                        <DropDownButton Content="Success" Classes="Success" Theme="{StaticResource OutlineDropDownButton}" />
+                        <DropDownButton Content="Warning" Classes="Warning" Theme="{StaticResource OutlineDropDownButton}" />
+                        <DropDownButton Content="Danger" Classes="Danger" Theme="{StaticResource OutlineDropDownButton}" />
+                    </WrapPanel>
+                    <WrapPanel ItemSpacing="16" LineSpacing="16">
+                        <DropDownButton Content="Default" Theme="{StaticResource BorderlessDropDownButton}" />
+                        <DropDownButton Content="Primary" Classes="Primary" Theme="{StaticResource BorderlessDropDownButton}" />
+                        <DropDownButton Content="Secondary" Classes="Secondary" Theme="{StaticResource BorderlessDropDownButton}" />
+                        <DropDownButton Content="Tertiary" Classes="Tertiary" Theme="{StaticResource BorderlessDropDownButton}" />
+                        <DropDownButton Content="Success" Classes="Success" Theme="{StaticResource BorderlessDropDownButton}" />
+                        <DropDownButton Content="Warning" Classes="Warning" Theme="{StaticResource BorderlessDropDownButton}" />
+                        <DropDownButton Content="Danger" Classes="Danger" Theme="{StaticResource BorderlessDropDownButton}" />
+                    </WrapPanel>
+                    <WrapPanel ItemSpacing="16" LineSpacing="16">
+                        <DropDownButton Content="Light" IsEnabled="False" />
+                        <DropDownButton Content="Solid" IsEnabled="False" Theme="{StaticResource SolidDropDownButton}" />
+                        <DropDownButton Content="Outline" IsEnabled="False" Theme="{StaticResource OutlineDropDownButton}" />
+                        <DropDownButton Content="Borderless" IsEnabled="False" Theme="{StaticResource BorderlessDropDownButton}" />
+                    </WrapPanel>
+                    <WrapPanel ItemSpacing="16" LineSpacing="16">
+                        <DropDownButton Content="Large" Classes="Large" />
+                        <DropDownButton Content="Default" />
+                        <DropDownButton Content="Small" Classes="Small" />
+                    </WrapPanel>
+                    <WrapPanel ItemSpacing="16" LineSpacing="16">
+                        <DropDownButton Content="Primary" Classes="Colorful Primary" />
+                        <DropDownButton Content="Tertiary" Classes="Colorful Tertiary" />
+                        <DropDownButton Content="Disabled" Classes="Colorful Primary" IsEnabled="False" />
+                    </WrapPanel>
+                    <WrapPanel ItemSpacing="16" LineSpacing="16">
+                        <DropDownButton Content="Primary" Classes="Colorful Primary" Theme="{StaticResource SolidDropDownButton}" />
+                        <DropDownButton Content="Tertiary" Classes="Colorful Tertiary" Theme="{StaticResource SolidDropDownButton}" />
+                        <DropDownButton Content="Disabled" Classes="Colorful Primary" Theme="{StaticResource SolidDropDownButton}" IsEnabled="False" />
+                    </WrapPanel>
+                    <WrapPanel ItemSpacing="16" LineSpacing="16">
+                        <DropDownButton Content="Primary" Classes="Colorful Primary" Theme="{StaticResource OutlineDropDownButton}" />
+                        <DropDownButton Content="Tertiary" Classes="Colorful Tertiary" Theme="{StaticResource OutlineDropDownButton}" />
+                        <DropDownButton Content="Disabled" Classes="Colorful Primary" Theme="{StaticResource OutlineDropDownButton}" IsEnabled="False" />
+                    </WrapPanel>
+                    <WrapPanel ItemSpacing="16" LineSpacing="16">
+                        <DropDownButton Content="Primary" Classes="Colorful Primary" Theme="{StaticResource BorderlessDropDownButton}" />
+                        <DropDownButton Content="Tertiary" Classes="Colorful Tertiary" Theme="{StaticResource BorderlessDropDownButton}" />
+                        <DropDownButton Content="Disabled" Classes="Colorful Primary" Theme="{StaticResource BorderlessDropDownButton}" IsEnabled="False" />
+                    </WrapPanel>
+                </StackPanel>
+            </HeaderedContentControl>
+
+            <HeaderedContentControl
+                Theme="{StaticResource GroupBox}" Header="SplitButton">
+                <StackPanel HorizontalAlignment="Left" Spacing="16">
+                    <WrapPanel ItemSpacing="16" LineSpacing="16">
+                        <SplitButton Content="Default" />
+                        <SplitButton Content="Primary" Classes="Primary" />
+                        <SplitButton Content="Secondary" Classes="Secondary" />
+                        <SplitButton Content="Tertiary" Classes="Tertiary" />
+                        <SplitButton Content="Success" Classes="Success" />
+                        <SplitButton Content="Warning" Classes="Warning" />
+                        <SplitButton Content="Danger" Classes="Danger" />
+                    </WrapPanel>
+                    <WrapPanel ItemSpacing="16" LineSpacing="16">
+                        <SplitButton Content="Default" Theme="{StaticResource SolidSplitButton}" />
+                        <SplitButton Content="Primary" Classes="Primary" Theme="{StaticResource SolidSplitButton}" />
+                        <SplitButton Content="Secondary" Classes="Secondary" Theme="{StaticResource SolidSplitButton}" />
+                        <SplitButton Content="Tertiary" Classes="Tertiary" Theme="{StaticResource SolidSplitButton}" />
+                        <SplitButton Content="Success" Classes="Success" Theme="{StaticResource SolidSplitButton}" />
+                        <SplitButton Content="Warning" Classes="Warning" Theme="{StaticResource SolidSplitButton}" />
+                        <SplitButton Content="Danger" Classes="Danger" Theme="{StaticResource SolidSplitButton}" />
+                    </WrapPanel>
+                    <WrapPanel ItemSpacing="16" LineSpacing="16">
+                        <SplitButton Content="Default" Theme="{StaticResource OutlineSplitButton}" />
+                        <SplitButton Content="Primary" Classes="Primary" Theme="{StaticResource OutlineSplitButton}" />
+                        <SplitButton Content="Secondary" Classes="Secondary" Theme="{StaticResource OutlineSplitButton}" />
+                        <SplitButton Content="Tertiary" Classes="Tertiary" Theme="{StaticResource OutlineSplitButton}" />
+                        <SplitButton Content="Success" Classes="Success" Theme="{StaticResource OutlineSplitButton}" />
+                        <SplitButton Content="Warning" Classes="Warning" Theme="{StaticResource OutlineSplitButton}" />
+                        <SplitButton Content="Danger" Classes="Danger" Theme="{StaticResource OutlineSplitButton}" />
+                    </WrapPanel>
+                    <WrapPanel ItemSpacing="16" LineSpacing="16">
+                        <SplitButton Content="Default" Theme="{StaticResource BorderlessSplitButton}" />
+                        <SplitButton Content="Primary" Classes="Primary" Theme="{StaticResource BorderlessSplitButton}" />
+                        <SplitButton Content="Secondary" Classes="Secondary" Theme="{StaticResource BorderlessSplitButton}" />
+                        <SplitButton Content="Tertiary" Classes="Tertiary" Theme="{StaticResource BorderlessSplitButton}" />
+                        <SplitButton Content="Success" Classes="Success" Theme="{StaticResource BorderlessSplitButton}" />
+                        <SplitButton Content="Warning" Classes="Warning" Theme="{StaticResource BorderlessSplitButton}" />
+                        <SplitButton Content="Danger" Classes="Danger" Theme="{StaticResource BorderlessSplitButton}" />
+                    </WrapPanel>
+                    <WrapPanel ItemSpacing="16" LineSpacing="16">
+                        <SplitButton Content="Light" IsEnabled="False" />
+                        <SplitButton Content="Solid" IsEnabled="False" Theme="{StaticResource SolidSplitButton}" />
+                        <SplitButton Content="Outline" IsEnabled="False" Theme="{StaticResource OutlineSplitButton}" />
+                        <SplitButton Content="Borderless" IsEnabled="False" Theme="{StaticResource BorderlessSplitButton}" />
+                    </WrapPanel>
+                    <WrapPanel ItemSpacing="16" LineSpacing="16">
+                        <SplitButton Content="Large" Classes="Large" />
+                        <SplitButton Content="Default" />
+                        <SplitButton Content="Small" Classes="Small" />
+                    </WrapPanel>
+                </StackPanel>
+            </HeaderedContentControl>
+
+            <HeaderedContentControl
+                Theme="{StaticResource GroupBox}"
+                Header="ToggleSplitButton">
+                <StackPanel HorizontalAlignment="Left" Spacing="24">
+                    <WrapPanel ItemSpacing="16" LineSpacing="16">
+                        <ToggleSplitButton Content="Default" />
+                        <ToggleSplitButton Classes="Primary" Content="Primary" />
+                        <ToggleSplitButton Classes="Secondary" Content="Secondary" />
+                        <ToggleSplitButton Classes="Tertiary" Content="Tertiary" />
+                        <ToggleSplitButton Classes="Success" Content="Success" />
+                        <ToggleSplitButton Classes="Warning" Content="Warning" />
+                        <ToggleSplitButton Classes="Danger" Content="Danger" />
+                    </WrapPanel>
+                    <WrapPanel ItemSpacing="16" LineSpacing="16">
+                        <ToggleSplitButton Content="Default" IsChecked="True" />
+                        <ToggleSplitButton Classes="Primary" Content="Primary" IsChecked="True" />
+                        <ToggleSplitButton Classes="Secondary" Content="Secondary" IsChecked="True" />
+                        <ToggleSplitButton Classes="Tertiary" Content="Tertiary" IsChecked="True" />
+                        <ToggleSplitButton Classes="Success" Content="Success" IsChecked="True" />
+                        <ToggleSplitButton Classes="Warning" Content="Warning" IsChecked="True" />
+                        <ToggleSplitButton Classes="Danger" Content="Danger" IsChecked="True" />
+                    </WrapPanel>
+                    <WrapPanel ItemSpacing="16" LineSpacing="16">
+                        <ToggleSplitButton Content="Unchecked" Classes="Success" IsEnabled="False" />
+                        <ToggleSplitButton Content="Checked" Classes="Success" IsChecked="True" IsEnabled="False" />
+                    </WrapPanel>
+                    <WrapPanel ItemSpacing="16" LineSpacing="16">
+                        <ToggleSplitButton Content="Large" Classes="Large" />
+                        <ToggleSplitButton Content="Default" />
+                        <ToggleSplitButton Content="Small" Classes="Small" />
+                    </WrapPanel>
+                </StackPanel>
+            </HeaderedContentControl>
+
+            <HeaderedContentControl
+                Theme="{StaticResource GroupBox}" Header="ToggleButton">
+                <StackPanel HorizontalAlignment="Left" Spacing="16">
+                    <WrapPanel ItemSpacing="16" LineSpacing="16">
+                        <ToggleButton Content="Default" />
+                        <ToggleButton Content="Primary" Classes="Primary" />
+                        <ToggleButton Content="Secondary" Classes="Secondary" />
+                        <ToggleButton Content="Tertiary" Classes="Tertiary" />
+                        <ToggleButton Content="Success" Classes="Success" />
+                        <ToggleButton Content="Warning" Classes="Warning" />
+                        <ToggleButton Content="Danger" Classes="Danger" />
+                    </WrapPanel>
+                    <WrapPanel ItemSpacing="16" LineSpacing="16">
+                        <ToggleButton Content="Default" IsChecked="True" />
+                        <ToggleButton Content="Primary" Classes="Primary" IsChecked="True" />
+                        <ToggleButton Content="Secondary" Classes="Secondary" IsChecked="True" />
+                        <ToggleButton Content="Tertiary" Classes="Tertiary" IsChecked="True" />
+                        <ToggleButton Content="Success" Classes="Success" IsChecked="True" />
+                        <ToggleButton Content="Warning" Classes="Warning" IsChecked="True" />
+                        <ToggleButton Content="Danger" Classes="Danger" IsChecked="True" />
+                    </WrapPanel>
+                    <WrapPanel ItemSpacing="16" LineSpacing="16">
+                        <ToggleButton Content="Default" IsChecked="{x:Null}" IsThreeState="True" />
+                        <ToggleButton Content="Primary" Classes="Primary" IsChecked="{x:Null}" IsThreeState="True" />
+                        <ToggleButton Content="Secondary" Classes="Secondary" IsChecked="{x:Null}" IsThreeState="True" />
+                        <ToggleButton Content="Tertiary" Classes="Tertiary" IsChecked="{x:Null}" IsThreeState="True" />
+                        <ToggleButton Content="Success" Classes="Success" IsChecked="{x:Null}" IsThreeState="True" />
+                        <ToggleButton Content="Warning" Classes="Warning" IsChecked="{x:Null}" IsThreeState="True" />
+                        <ToggleButton Content="Danger" Classes="Danger" IsChecked="{x:Null}" IsThreeState="True" />
+                    </WrapPanel>
+                    <WrapPanel ItemSpacing="16" LineSpacing="16">
+                        <ToggleButton Content="Unchecked" IsEnabled="False" />
+                        <ToggleButton Content="Checked" IsEnabled="False" IsChecked="True" />
+                        <ToggleButton Content="Indeterminate" IsEnabled="False" IsChecked="{x:Null}" IsThreeState="True" />
+                    </WrapPanel>
+                    <WrapPanel ItemSpacing="16" LineSpacing="16">
+                        <ToggleButton Content="Large" Classes="Large" />
+                        <ToggleButton Content="Default" />
+                        <ToggleButton Content="Small" Classes="Small" />
+                    </WrapPanel>
+                    <WrapPanel ItemSpacing="16" LineSpacing="16">
+                        <ToggleButton Content="Primary" Classes="Colorful Primary" />
+                        <ToggleButton Content="Tertiary" Classes="Colorful Tertiary" />
+                        <ToggleButton Content="Disabled" Classes="Colorful Primary" IsEnabled="False" />
+                    </WrapPanel>
+                    <WrapPanel ItemSpacing="16" LineSpacing="16">
+                        <ToggleButton Content="Primary" Classes="Colorful Primary" IsChecked="True" />
+                        <ToggleButton Content="Tertiary" Classes="Colorful Tertiary" IsChecked="True" />
+                        <ToggleButton Content="Disabled" Classes="Colorful Primary" IsChecked="True" IsEnabled="False" />
+                    </WrapPanel>
+                    <WrapPanel ItemSpacing="16" LineSpacing="16">
+                        <ToggleButton Content="Primary" Classes="Colorful Primary" IsChecked="{x:Null}" IsThreeState="True" />
+                        <ToggleButton Content="Tertiary" Classes="Colorful Tertiary" IsChecked="{x:Null}" IsThreeState="True" />
+                        <ToggleButton Content="Disabled" Classes="Colorful Primary" IsChecked="{x:Null}" IsThreeState="True" IsEnabled="False" />
+                    </WrapPanel>
+                </StackPanel>
+            </HeaderedContentControl>
         </StackPanel>
     </ScrollViewer>
 </UserControl>

demo/Semi.Avalonia.Demo/Pages/CalendarDatePickerDemo.axaml

@@ -33,6 +33,6 @@
             Margin="0,0,0,8"
             CustomDateFormatString="ddd, MMM d"
             SelectedDateFormat="Custom" />
-        <CalendarDatePicker Margin="0,0,0,8" Watermark="Watermark" />
+        <CalendarDatePicker Margin="0,0,0,8" PlaceholderText="Placeholder" />
     </StackPanel>
 </UserControl>

demo/Semi.Avalonia.Demo/Pages/CommandBarDemo.axaml

@@ -0,0 +1,94 @@
+<UserControl
+    x:Class="Semi.Avalonia.Demo.Pages.CommandBarDemo"
+    xmlns="https://github.com/avaloniaui"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+    xmlns:collections="clr-namespace:Avalonia.Collections;assembly=Avalonia.Base"
+    d:DesignHeight="600"
+    d:DesignWidth="800"
+    mc:Ignorable="d">
+    <UserControl.Resources>
+        <collections:AvaloniaList x:TypeArguments="CommandBarDefaultLabelPosition" x:Key="LabelPositionList">
+            <CommandBarDefaultLabelPosition>Bottom</CommandBarDefaultLabelPosition>
+            <CommandBarDefaultLabelPosition>Collapsed</CommandBarDefaultLabelPosition>
+            <CommandBarDefaultLabelPosition>Right</CommandBarDefaultLabelPosition>
+        </collections:AvaloniaList>
+        <collections:AvaloniaList x:TypeArguments="CommandBarOverflowButtonVisibility" x:Key="VisibilityList">
+            <CommandBarOverflowButtonVisibility>Auto</CommandBarOverflowButtonVisibility>
+            <CommandBarOverflowButtonVisibility>Collapsed</CommandBarOverflowButtonVisibility>
+            <CommandBarOverflowButtonVisibility>Visible</CommandBarOverflowButtonVisibility>
+        </collections:AvaloniaList>
+    </UserControl.Resources>
+    <ScrollViewer>
+        <StackPanel Spacing="16">
+            <GroupBox>
+                <GroupBox.Header>
+                    <Grid ColumnDefinitions="Auto,*" RowDefinitions="Auto,Auto,Auto,Auto,Auto,Auto">
+
+                        <TextBlock Grid.Row="0" Grid.Column="0" Text="DefaultLabelPosition" VerticalAlignment="Center" />
+                        <ComboBox Grid.Row="0" Grid.Column="1"
+                                  Name="lc"
+                                  ItemsSource="{DynamicResource LabelPositionList}"
+                                  SelectedValue="{x:Static CommandBarDefaultLabelPosition.Bottom}" />
+
+                        <TextBlock Grid.Row="1" Grid.Column="0" Text="OverflowButtonVisibility" VerticalAlignment="Center" />
+                        <ComboBox Grid.Row="1" Grid.Column="1"
+                                  Name="btvb"
+                                  ItemsSource="{DynamicResource VisibilityList}"
+                                  SelectedValue="{x:Static CommandBarOverflowButtonVisibility.Auto}" />
+
+                        <TextBlock Grid.Row="2" Grid.Column="0" Text="IsDynamicOverflowEnabled" VerticalAlignment="Center" />
+                        <ToggleSwitch Grid.Row="2" Grid.Column="1" Name="idfe" IsChecked="True" />
+
+                        <TextBlock Grid.Row="3" Grid.Column="0" Text="IsOpen" VerticalAlignment="Center" />
+                        <ToggleSwitch Grid.Row="3" Grid.Column="1" Name="isop" />
+
+                        <TextBlock Grid.Row="4" Grid.Column="0" Text="IsSticky" VerticalAlignment="Center" />
+                        <ToggleSwitch Grid.Row="4" Grid.Column="1" Name="isst" />
+
+                        <TextBlock Grid.Row="5" Grid.Column="0" Text="Width" VerticalAlignment="Center" />
+                        <Slider Grid.Row="5" Grid.Column="1" Name="ws" HorizontalAlignment="Left" Width="500" Minimum="0" Maximum="1000" Value="200" />
+                    </Grid>
+                </GroupBox.Header>
+                <CommandBar
+                    DefaultLabelPosition="{Binding #lc.SelectedValue}"
+                    OverflowButtonVisibility="{Binding #btvb.SelectedValue}"
+                    IsDynamicOverflowEnabled="{Binding #idfe.IsChecked}"
+                    IsOpen="{Binding #isop.IsChecked}"
+                    IsSticky="{Binding #isst.IsChecked}"
+                    Width="{Binding #ws.Value}">
+                    <AppBarButton Label="New" Icon="{DynamicResource SemiIconPlus}" />
+                    <AppBarButton Label="Save" Icon="{DynamicResource SemiIconSave}" />
+                    <AppBarSeparator />
+                    <AppBarToggleButton Label="Bold" Icon="{DynamicResource SemiIconBold}" />
+                    <AppBarToggleButton Label="Italic" Icon="{DynamicResource SemiIconItalic}" />
+                    <AppBarToggleButton IsChecked="True" IsEnabled="False" Label="Underline" Icon="{DynamicResource SemiIconUnderline}" />
+                    <AppBarSeparator />
+                    <AppBarButton Label="Share" Icon="{DynamicResource SemiIconShare}" />
+                    <AppBarButton Label="Export" Icon="{DynamicResource SemiIconExport}" />
+                    <AppBarButton Label="Print" Icon="{DynamicResource SemiIconPrint}" />
+                    <AppBarSeparator />
+                    <AppBarButton Label="Delete" Icon="{DynamicResource SemiIconDelete}" />
+                </CommandBar>
+            </GroupBox>
+
+            <!--  With secondary commands (overflow)  -->
+            <GroupBox>
+                <GroupBox.Header>
+                    <TextBlock Text="CommandBar — With Secondary Commands (overflow)" />
+                </GroupBox.Header>
+                <CommandBar>
+                    <AppBarButton Label="New" Icon="{DynamicResource SemiIconPlus}" />
+                    <AppBarButton Label="Save" Icon="{DynamicResource SemiIconSave}" />
+                    <AppBarButton Label="Share" Icon="{DynamicResource SemiIconShare}" />
+                    <CommandBar.SecondaryCommands>
+                        <AppBarButton Label="Export" Icon="{DynamicResource SemiIconExport}" />
+                        <AppBarButton Label="Delete" Icon="{DynamicResource SemiIconDelete}" />
+                    </CommandBar.SecondaryCommands>
+                </CommandBar>
+            </GroupBox>
+
+        </StackPanel>
+    </ScrollViewer>
+</UserControl>

demo/Semi.Avalonia.Demo/Pages/CommandBarDemo.axaml.cs

@@ -2,10 +2,10 @@ using Avalonia.Controls;
 
 namespace Semi.Avalonia.Demo.Pages;
 
-public partial class RepeatButtonDemo : UserControl
+public partial class CommandBarDemo : UserControl
 {
-    public RepeatButtonDemo()
+    public CommandBarDemo()
     {
         InitializeComponent();
     }
-}
+}

demo/Semi.Avalonia.Demo/Pages/ContentPageDemo.axaml

@@ -0,0 +1,54 @@
+<UserControl
+    x:Class="Semi.Avalonia.Demo.Pages.ContentPageDemo"
+    xmlns="https://github.com/avaloniaui"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+    d:DesignHeight="600"
+    d:DesignWidth="800"
+    mc:Ignorable="d">
+    <DockPanel>
+        <ScrollViewer DockPanel.Dock="Right" Width="260">
+            <StackPanel Margin="12" Spacing="8">
+                <TextBlock Text="Configuration" FontWeight="SemiBold" FontSize="16"
+                           Foreground="{DynamicResource SemiColorText0}" />
+                <TextBlock Text="ContentPage is the fundamental page type. It hosts a single piece of content and integrates with NavigationPage, TabbedPage, and CarouselPage. The Header property sets the navigation bar title."
+                           FontSize="12" Opacity="0.7" TextWrapping="Wrap" />
+
+                <Separator />
+
+                <TextBlock Text="Navigation" FontWeight="SemiBold" />
+                <Button Content="Push Page" HorizontalAlignment="Stretch" Click="OnPush" />
+                <Button Content="Pop Page" HorizontalAlignment="Stretch" Click="OnPop" />
+                <Button Content="Pop to Root" HorizontalAlignment="Stretch" Click="OnPopToRoot" />
+
+                <Separator />
+
+                <TextBlock Text="Key Properties" FontWeight="SemiBold" />
+                <TextBlock Text="• Header: nav bar title (string or Control)" FontSize="12" Opacity="0.8" TextWrapping="Wrap" />
+                <TextBlock Text="• Content: any Avalonia control" FontSize="12" Opacity="0.8" TextWrapping="Wrap" />
+                <TextBlock Text="• Background: page background brush" FontSize="12" Opacity="0.8" TextWrapping="Wrap" />
+                <TextBlock Text="• HorizontalContentAlignment" FontSize="12" Opacity="0.8" />
+                <TextBlock Text="• VerticalContentAlignment" FontSize="12" Opacity="0.8" />
+                <TextBlock Text="• AutomaticallyApplySafeAreaPadding" FontSize="12" Opacity="0.8" />
+
+                <Separator />
+
+                <TextBlock Name="StatusText"
+                           Text="Depth: 1 | Current: Root Page"
+                           FontSize="11"
+                           Opacity="0.7" />
+            </StackPanel>
+        </ScrollViewer>
+
+        <Border DockPanel.Dock="Right" Width="1" Background="{DynamicResource SemiColorBackground0}" />
+
+        <Border Margin="12"
+                BorderBrush="{DynamicResource SemiColorBorder}"
+                BorderThickness="1"
+                CornerRadius="6"
+                ClipToBounds="True">
+            <NavigationPage Name="DemoNav" />
+        </Border>
+    </DockPanel>
+</UserControl>

demo/Semi.Avalonia.Demo/Pages/ContentPageDemo.axaml.cs

@@ -0,0 +1,93 @@
+using Avalonia.Controls;
+using Avalonia.Interactivity;
+using Avalonia.Media;
+using Avalonia.Layout;
+
+namespace Semi.Avalonia.Demo.Pages;
+
+public partial class ContentPageDemo : UserControl
+{
+    private static readonly Color[] PageColors =
+    [
+        Color.FromRgb(0xE3, 0xF2, 0xFD), // blue
+        Color.FromRgb(0xF3, 0xE5, 0xF5), // purple
+        Color.FromRgb(0xE8, 0xF5, 0xE9), // green
+        Color.FromRgb(0xFF, 0xF8, 0xE1), // amber
+        Color.FromRgb(0xFB, 0xE9, 0xE7), // deep orange
+    ];
+
+    private int _pageCount;
+
+    public ContentPageDemo()
+    {
+        InitializeComponent();
+        Loaded += OnLoaded;
+    }
+
+    private async void OnLoaded(object? sender, RoutedEventArgs e)
+    {
+        await DemoNav.PushAsync(MakePage("Root Page", "ContentPage inside a NavigationPage.\nUse the options to navigate."));
+        UpdateStatus();
+    }
+
+    private async void OnPush(object? sender, RoutedEventArgs e)
+    {
+        _pageCount++;
+        await DemoNav.PushAsync(MakePage($"Page {_pageCount}", $"ContentPage #{_pageCount}.\nNavigate back using the back button."));
+        UpdateStatus();
+    }
+
+    private async void OnPop(object? sender, RoutedEventArgs e)
+    {
+        await DemoNav.PopAsync();
+        UpdateStatus();
+    }
+
+    private async void OnPopToRoot(object? sender, RoutedEventArgs e)
+    {
+        await DemoNav.PopToRootAsync();
+        _pageCount = 0;
+        UpdateStatus();
+    }
+
+    private void UpdateStatus()
+    {
+        StatusText.Text = $"Depth: {DemoNav.StackDepth} | Current: {DemoNav.CurrentPage?.Header}";
+    }
+
+    private ContentPage MakePage(string header, string body) =>
+        new ContentPage
+        {
+            Header = header,
+            Background = new SolidColorBrush(PageColors[_pageCount % PageColors.Length]),
+            Content = new StackPanel
+            {
+                HorizontalAlignment = HorizontalAlignment.Center,
+                VerticalAlignment = VerticalAlignment.Center,
+                Spacing = 10,
+                Children =
+                {
+                    new TextBlock
+                    {
+                        Text = header,
+                        FontSize = 20,
+                        FontWeight = FontWeight.SemiBold,
+                        HorizontalAlignment = HorizontalAlignment.Center,
+                        Foreground = Brushes.Black,
+                    },
+                    new TextBlock
+                    {
+                        Text = body,
+                        FontSize = 13,
+                        Opacity = 0.7,
+                        TextWrapping = TextWrapping.Wrap,
+                        TextAlignment = TextAlignment.Center,
+                        MaxWidth = 260,
+                        Foreground = Brushes.Black,
+                    }
+                }
+            },
+            HorizontalContentAlignment = HorizontalAlignment.Stretch,
+            VerticalContentAlignment = VerticalAlignment.Stretch
+        };
+}

demo/Semi.Avalonia.Demo/Pages/DataGridDemo.axaml

@@ -1,179 +0,0 @@
-<UserControl
-    x:Class="Semi.Avalonia.Demo.Pages.DataGridDemo"
-    xmlns="https://github.com/avaloniaui"
-    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
-    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
-    xmlns:vm="clr-namespace:Semi.Avalonia.Demo.ViewModels;assembly=Semi.Avalonia.Demo"
-    d:DesignHeight="450"
-    d:DesignWidth="800"
-    x:DataType="vm:DataGridDemoViewModel"
-    mc:Ignorable="d">
-    <TabControl>
-        <TabItem Header="DataGrid">
-            <Grid RowDefinitions="Auto, *">
-                <StackPanel Grid.Row="0" Orientation="Horizontal">
-                    <ToggleSwitch Content="Enable" Name="enable" IsChecked="True" />
-                    <ToggleSwitch Content="Inset Content" Name="inset" />
-                    <ToggleSwitch Content="ScrollBar Auto Hide" Name="autohide" />
-                </StackPanel>
-                <DataGrid Grid.Row="1"
-                          Margin="8"
-                          CanUserReorderColumns="True"
-                          CanUserResizeColumns="True"
-                          CanUserSortColumns="True"
-                          HeadersVisibility="All"
-                          IsReadOnly="True"
-                          Classes.InsetContent="{Binding #inset.IsChecked}"
-                          ScrollViewer.AllowAutoHide="{Binding #autohide.IsChecked}"
-                          IsEnabled="{Binding #enable.IsChecked}"
-                          ItemsSource="{Binding GridData1}">
-                    <DataGrid.Columns>
-                        <DataGridTextColumn
-                            Width="6*"
-                            x:DataType="vm:Song"
-                            Binding="{Binding Title}"
-                            Header="Title" />
-                        <DataGridTextColumn
-                            Width="6*"
-                            x:DataType="vm:Song"
-                            Binding="{Binding Artist}"
-                            Header="Artist" />
-                        <DataGridTextColumn
-                            Width="6*"
-                            x:DataType="vm:Song"
-                            Binding="{Binding Album}"
-                            Header="Album" />
-                        <DataGridTemplateColumn Header="Duration" SortMemberPath="Duration">
-                            <DataGridTemplateColumn.CellTemplate>
-                                <DataTemplate>
-                                    <TextBlock
-                                        Margin="8,0,0,0"
-                                        VerticalAlignment="Center"
-                                        Text="{Binding Duration}" />
-                                </DataTemplate>
-                            </DataGridTemplateColumn.CellTemplate>
-                        </DataGridTemplateColumn>
-                    </DataGrid.Columns>
-
-                </DataGrid>
-
-            </Grid>
-        </TabItem>
-        <TabItem Header="Grouping">
-            <DataGrid
-                Margin="8"
-                CanUserReorderColumns="True"
-                CanUserResizeColumns="True"
-                CanUserSortColumns="True"
-                HeadersVisibility="All"
-                IsReadOnly="True"
-                ItemsSource="{Binding GridData2}">
-                <DataGrid.Columns>
-                    <DataGridTextColumn
-                        Width="6*"
-                        x:DataType="vm:Song"
-                        Binding="{Binding Title}"
-                        Header="Title" />
-                    <DataGridTextColumn
-                        Width="6*"
-                        x:DataType="vm:Song"
-                        Binding="{Binding Artist}"
-                        Header="Artist" />
-                    <DataGridTextColumn
-                        Width="6*"
-                        x:DataType="vm:Song"
-                        Binding="{Binding Album}"
-                        Header="Album" />
-                    <DataGridTemplateColumn
-                        x:DataType="vm:Song"
-                        Header="Duration"
-                        SortMemberPath="Duration">
-                        <DataGridTemplateColumn.CellTemplate>
-                            <DataTemplate x:DataType="vm:Song">
-                                <TextBlock
-                                    Margin="8,0,0,0"
-                                    VerticalAlignment="Center"
-                                    Text="{Binding Duration}" />
-                            </DataTemplate>
-                        </DataGridTemplateColumn.CellTemplate>
-                    </DataGridTemplateColumn>
-                </DataGrid.Columns>
-            </DataGrid>
-        </TabItem>
-        <TabItem Name="EditableTab" Header="Editable">
-            <Grid Margin="8" RowDefinitions="Auto,*,Auto">
-                <StackPanel
-                    Grid.Row="0"
-                    Orientation="Horizontal"
-                    Spacing="4">
-                    <TextBlock VerticalAlignment="Center" Text="FontSize:" />
-                    <Slider
-                        Name="FontSizeSlider"
-                        Width="100"
-                        VerticalAlignment="Center"
-                        Maximum="30"
-                        Minimum="5"
-                        Value="14" />
-                    <CheckBox
-                        Name="IsThreeStateCheckBox"
-                        Content="IsThreeState"
-                        IsChecked="False" />
-                </StackPanel>
-                <DataGrid
-                    Grid.Row="1"
-                    Margin="8"
-                    ItemsSource="{Binding GridData3}">
-                    <DataGrid.Columns>
-                        <DataGridCheckBoxColumn
-                            Width="2*"
-                            Binding="{Binding IsSelected}"
-                            Header="Select"
-                            IsThreeState="{Binding #IsThreeStateCheckBox.IsChecked, Mode=OneWay}" />
-                        <DataGridTextColumn
-                            Width="6*"
-                            x:DataType="vm:SongViewModel"
-                            Binding="{Binding Title}"
-                            FontSize="{Binding #FontSizeSlider.Value, Mode=OneWay}"
-                            Header="Title" />
-                        <DataGridTextColumn
-                            Width="6*"
-                            x:DataType="vm:SongViewModel"
-                            Binding="{Binding Artist}"
-                            Header="Artist" />
-                        <DataGridTextColumn
-                            Width="6*"
-                            x:DataType="vm:SongViewModel"
-                            Binding="{Binding Album}"
-                            Header="Album" />
-                        <DataGridTemplateColumn Width="2*" Header="Comments">
-                            <DataGridTemplateColumn.CellTemplate>
-                                <DataTemplate>
-                                    <TextBlock
-                                        HorizontalAlignment="Center"
-                                        VerticalAlignment="Center"
-                                        Text="{Binding CountOfComment}" />
-                                </DataTemplate>
-                            </DataGridTemplateColumn.CellTemplate>
-                            <DataGridTemplateColumn.CellEditingTemplate>
-                                <DataTemplate>
-                                    <NumericUpDown
-                                        HorizontalAlignment="Stretch"
-                                        FormatString="N0"
-                                        Minimum="0"
-                                        Value="{Binding CountOfComment}" />
-                                </DataTemplate>
-                            </DataGridTemplateColumn.CellEditingTemplate>
-                        </DataGridTemplateColumn>
-                    </DataGrid.Columns>
-                </DataGrid>
-                <Button
-                    Grid.Row="2"
-                    Margin="12,0,12,12"
-                    HorizontalAlignment="Right"
-                    Command="{Binding AddCommand}"
-                    Content="Add" />
-            </Grid>
-        </TabItem>
-    </TabControl>
-</UserControl>

demo/Semi.Avalonia.Demo/Pages/DataGridDemo.axaml.cs

@@ -1,13 +0,0 @@
-using Avalonia.Controls;
-using Semi.Avalonia.Demo.ViewModels;
-
-namespace Semi.Avalonia.Demo.Pages;
-
-public partial class DataGridDemo : UserControl
-{
-    public DataGridDemo()
-    {
-        InitializeComponent();
-        DataContext = new DataGridDemoViewModel();
-    }
-}

demo/Semi.Avalonia.Demo/Pages/DrawerPageDemo.axaml

@@ -0,0 +1,72 @@
+<UserControl
+    x:Class="Semi.Avalonia.Demo.Pages.DrawerPageDemo"
+    xmlns="https://github.com/avaloniaui"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+    d:DesignHeight="700"
+    d:DesignWidth="800"
+    mc:Ignorable="d">
+    <DockPanel>
+        <ScrollViewer DockPanel.Dock="Right" Width="260">
+            <StackPanel Margin="12" Spacing="8">
+                <TextBlock Text="Configuration" FontWeight="SemiBold" FontSize="16"
+                           Foreground="{DynamicResource SemiColorText0}" />
+
+                <Button Content="Toggle Drawer"
+                        HorizontalAlignment="Stretch"
+                        Click="OnToggleDrawer" />
+
+                <Separator />
+
+                <CheckBox Name="GestureCheck"
+                          Content="Gesture Enabled"
+                          IsChecked="True"
+                          IsCheckedChanged="OnGestureChanged" />
+
+                <Separator />
+
+                <TextBlock Text="Status" FontWeight="SemiBold" FontSize="14" />
+                <TextBlock Name="StatusText"
+                           Text="Drawer: Closed"
+                           Opacity="0.7"
+                           TextWrapping="Wrap" />
+            </StackPanel>
+        </ScrollViewer>
+
+        <Border DockPanel.Dock="Right" Width="1" Background="{DynamicResource SemiColorBackground0}" />
+
+        <Border Margin="12"
+                BorderBrush="{DynamicResource SemiColorBorder}"
+                BorderThickness="1"
+                CornerRadius="6"
+                ClipToBounds="True">
+            <DrawerPage Name="DemoDrawer"
+                        Header="First Look"
+                        DrawerLength="250">
+                <DrawerPage.DrawerHeader>
+                    <Border Padding="16" Background="{DynamicResource SemiColorPrimary}">
+                        <TextBlock Text="Menu" FontSize="18" FontWeight="SemiBold" Foreground="{DynamicResource SemiColorText0}" />
+                    </Border>
+                </DrawerPage.DrawerHeader>
+                <DrawerPage.Drawer>
+                    <ListBox Name="DrawerMenu" SelectionChanged="OnMenuSelectionChanged">
+                        <ListBoxItem Content="Home" />
+                        <ListBoxItem Content="Settings" />
+                        <ListBoxItem Content="Profile" />
+                        <ListBoxItem Content="About" />
+                    </ListBox>
+                </DrawerPage.Drawer>
+                <DrawerPage.Content>
+                    <ContentPage Header="Home">
+                        <StackPanel HorizontalAlignment="Center" VerticalAlignment="Center" Spacing="8">
+                            <TextBlock Text="Home Page" FontSize="20" FontWeight="SemiBold" HorizontalAlignment="Center" />
+                            <TextBlock Text="Swipe from the left edge or use the hamburger button to open the drawer."
+                                       FontSize="13" Opacity="0.7" TextWrapping="Wrap" TextAlignment="Center" MaxWidth="300" />
+                        </StackPanel>
+                    </ContentPage>
+                </DrawerPage.Content>
+            </DrawerPage>
+        </Border>
+    </DockPanel>
+</UserControl>

demo/Semi.Avalonia.Demo/Pages/DrawerPageDemo.axaml.cs

@@ -0,0 +1,68 @@
+using System;
+using Avalonia.Controls;
+using Avalonia.Interactivity;
+using Avalonia.Layout;
+using Avalonia.Media;
+
+namespace Semi.Avalonia.Demo.Pages;
+
+public partial class DrawerPageDemo : UserControl
+{
+    public DrawerPageDemo()
+    {
+        InitializeComponent();
+    }
+
+    protected override void OnLoaded(RoutedEventArgs e)
+    {
+        base.OnLoaded(e);
+        DemoDrawer.Opened += OnDrawerStatusChanged;
+        DemoDrawer.Closed += OnDrawerStatusChanged;
+    }
+
+    protected override void OnUnloaded(RoutedEventArgs e)
+    {
+        base.OnUnloaded(e);
+        DemoDrawer.Opened -= OnDrawerStatusChanged;
+        DemoDrawer.Closed -= OnDrawerStatusChanged;
+    }
+
+    private void OnDrawerStatusChanged(object? sender, EventArgs e) => UpdateStatus();
+
+    private void OnToggleDrawer(object? sender, RoutedEventArgs e)
+    {
+        DemoDrawer.IsOpen = !DemoDrawer.IsOpen;
+    }
+
+    private void OnGestureChanged(object? sender, RoutedEventArgs e)
+    {
+        DemoDrawer.IsGestureEnabled = GestureCheck.IsChecked == true;
+    }
+
+    private void OnMenuSelectionChanged(object? sender, SelectionChangedEventArgs e)
+    {
+        if (DrawerMenu.SelectedItem is ListBoxItem item)
+        {
+            DemoDrawer.Content = new ContentPage
+            {
+                Header = item.Content?.ToString(),
+                Content = new TextBlock
+                {
+                    Text = $"{item.Content} page content",
+                    FontSize = 16,
+                    HorizontalAlignment = HorizontalAlignment.Center,
+                    VerticalAlignment = VerticalAlignment.Center,
+                    Foreground = Brushes.Black,
+                },
+                HorizontalContentAlignment = HorizontalAlignment.Stretch,
+                VerticalContentAlignment = VerticalAlignment.Stretch
+            };
+            DemoDrawer.IsOpen = false;
+        }
+    }
+
+    private void UpdateStatus()
+    {
+        StatusText.Text = $"Drawer: {(DemoDrawer.IsOpen ? "Open" : "Closed")}";
+    }
+}

demo/Semi.Avalonia.Demo/Pages/HeaderedContentControlDemo.axaml

@@ -36,10 +36,20 @@
                         <HyperlinkButton HorizontalAlignment="Right" Content="更多" />
                     </Panel>
                 </HeaderedContentControl.Header>
-                <HeaderedContentControl.Content>
-                    <SelectableTextBlock Text="Semi Design 是由互娱社区前端团队与 UED 团队共同设计开发并维护的设计系统。设计系统包含设计语言以及一整套可复用的前端组件，帮助设计师与开发者更容易地打造高质量的、用户体验一致的、符合设计规范的 Web 应用。" />
-                </HeaderedContentControl.Content>
+                <SelectableTextBlock Text="Semi Design 是由互娱社区前端团队与 UED 团队共同设计开发并维护的设计系统。设计系统包含设计语言以及一整套可复用的前端组件，帮助设计师与开发者更容易地打造高质量的、用户体验一致的、符合设计规范的 Web 应用。" />
             </HeaderedContentControl>
+            <TextBlock>Real GroupBox</TextBlock>
+            <GroupBox
+                HorizontalAlignment="Left"
+                MaxWidth="360">
+                <HeaderedContentControl.Header>
+                    <Panel>
+                        <SelectableTextBlock Text="Semi Design" />
+                        <HyperlinkButton HorizontalAlignment="Right" Content="更多" />
+                    </Panel>
+                </HeaderedContentControl.Header>
+                <SelectableTextBlock Text="Semi Design 是由互娱社区前端团队与 UED 团队共同设计开发并维护的设计系统。设计系统包含设计语言以及一整套可复用的前端组件，帮助设计师与开发者更容易地打造高质量的、用户体验一致的、符合设计规范的 Web 应用。" />
+            </GroupBox>
         </StackPanel>
     </ScrollViewer>
 </UserControl>

demo/Semi.Avalonia.Demo/Pages/HighContrastDemo.axaml

@@ -1,327 +0,0 @@
-<UserControl xmlns="https://github.com/avaloniaui"
-             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-             xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
-             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
-             xmlns:vm="clr-namespace:Semi.Avalonia.Demo.ViewModels"
-             xmlns:controls="clr-namespace:Semi.Avalonia.Demo.Controls"
-             xmlns:cvt="clr-namespace:Semi.Avalonia.Demo.Converters"
-             xmlns:pages="clr-namespace:Semi.Avalonia.Demo.Pages"
-             mc:Ignorable="d" d:DesignWidth="1000" d:DesignHeight="1450"
-             x:DataType="vm:HighContrastDemoViewModel"
-             x:Class="Semi.Avalonia.Demo.Pages.HighContrastDemo">
-    <Design.DataContext>
-        <vm:HighContrastDemoViewModel />
-    </Design.DataContext>
-    <SplitView
-        Name="splitView"
-        CompactPaneLength="50"
-        DisplayMode="CompactInline"
-        IsPaneOpen="{Binding #toggle.IsChecked, Mode=TwoWay}"
-        OpenPaneLength="300"
-        PanePlacement="Right">
-        <SplitView.Pane>
-            <StackPanel>
-                <ToggleSwitch
-                    Name="toggle"
-                    HorizontalAlignment="Right"
-                    IsChecked="True"
-                    Theme="{DynamicResource IconBorderlessToggleSwitch}"
-                    Content="{StaticResource SemiIconSidebar}" />
-                <Border IsVisible="{Binding #splitView.IsPaneOpen}" Theme="{DynamicResource CardBorder}">
-                    <Panel>
-                        <TextBlock
-                            IsVisible="{Binding SelectedColorResource, Converter={x:Static ObjectConverters.IsNull}}"
-                            Text="Click on Color to Check Details"
-                            TextWrapping="Wrap" />
-                        <controls:ColorDetailControl
-                            Background="{Binding SelectedColorResource.Brush}"
-                            IsVisible="{Binding SelectedColorResource, Converter={x:Static ObjectConverters.IsNotNull}}"
-                            ResourceKey="{Binding SelectedColorResource.ResourceKey}"
-                            ResourceName="{Binding SelectedColorResource.ResourceKey}" />
-                    </Panel>
-                </Border>
-            </StackPanel>
-        </SplitView.Pane>
-        <SplitView.Content>
-            <ScrollViewer>
-                <StackPanel Spacing="10">
-                    <TextBlock Text="Theme Preview" FontWeight="SemiBold" />
-                    <ListBox
-                        Theme="{StaticResource PureCardRadioGroupListBox}"
-                        ItemsSource="{Binding ThemeVariants}"
-                        SelectedItem="{Binding SelectedThemeVariant}">
-                        <ListBox.ItemsPanel>
-                            <ItemsPanelTemplate>
-                                <WrapPanel Orientation="Horizontal" />
-                            </ItemsPanelTemplate>
-                        </ListBox.ItemsPanel>
-                        <ListBox.ItemTemplate>
-                            <DataTemplate>
-                                <StackPanel HorizontalAlignment="Left" Spacing="5" MinWidth="200">
-                                    <ThemeVariantScope RequestedThemeVariant="{Binding}">
-                                        <Border
-                                            Padding="5 25 5 5"
-                                            HorizontalAlignment="Left"
-                                            Background="{DynamicResource WindowColor}"
-                                            BorderBrush="{DynamicResource WindowTextColor}"
-                                            BorderThickness="1"
-                                            CornerRadius="3">
-                                            <StackPanel Spacing="10">
-                                                <StackPanel Orientation="Horizontal" Spacing="50">
-                                                    <StackPanel Spacing="5">
-                                                        <TextBlock
-                                                            FontSize="50"
-                                                            Text="Aa" />
-                                                        <StackPanel Orientation="Horizontal" Spacing="3">
-                                                            <StackPanel.Styles>
-                                                                <Style Selector="Border">
-                                                                    <Setter Property="BorderThickness" Value="1" />
-                                                                    <Setter Property="BorderBrush" Value="{DynamicResource WindowTextColor}" />
-                                                                    <Setter Property="CornerRadius" Value="5" />
-                                                                    <Setter Property="Width" Value="10" />
-                                                                    <Setter Property="Height" Value="{Binding $self.Width}" />
-                                                                </Style>
-                                                            </StackPanel.Styles>
-                                                            <Border Background="{DynamicResource WindowColor}" />
-                                                            <Border Background="{DynamicResource HotlightColor}" />
-                                                            <Border Background="{DynamicResource GrayTextColor}" />
-                                                            <Border Background="{DynamicResource HighlightTextColor}" />
-                                                            <Border Background="{DynamicResource HighlightColor}" />
-                                                        </StackPanel>
-                                                    </StackPanel>
-                                                    <Border
-                                                        BorderThickness="1"
-                                                        BorderBrush="{DynamicResource WindowTextColor}"
-                                                        CornerRadius="3"
-                                                        Padding="8">
-                                                        <Panel>
-                                                            <StackPanel Spacing="5">
-                                                                <Border
-                                                                    Width="50"
-                                                                    Height="1"
-                                                                    Background="{DynamicResource WindowTextColor}" />
-                                                                <Border
-                                                                    Height="1"
-                                                                    Background="{DynamicResource WindowTextColor}" />
-                                                                <Border
-                                                                    Height="1"
-                                                                    Background="{DynamicResource WindowTextColor}" />
-                                                            </StackPanel>
-                                                            <StackPanel
-                                                                HorizontalAlignment="Right"
-                                                                VerticalAlignment="Bottom"
-                                                                Orientation="Horizontal"
-                                                                Spacing="2">
-                                                                <Border
-                                                                    Width="20"
-                                                                    Height="5"
-                                                                    Background="{DynamicResource HighlightColor}"
-                                                                    CornerRadius="1" />
-                                                                <Border
-                                                                    Width="20"
-                                                                    Height="5"
-                                                                    BorderThickness="1"
-                                                                    BorderBrush="{DynamicResource ButtonTextColor}"
-                                                                    CornerRadius="1" />
-                                                            </StackPanel>
-                                                        </Panel>
-                                                    </Border>
-                                                </StackPanel>
-                                                <Border
-                                                    Height="1"
-                                                    Background="{DynamicResource WindowTextColor}" />
-                                            </StackPanel>
-                                        </Border>
-                                    </ThemeVariantScope>
-                                    <TextBlock Text="{Binding}" FontWeight="SemiBold" />
-                                </StackPanel>
-                            </DataTemplate>
-                        </ListBox.ItemTemplate>
-                    </ListBox>
-
-                    <ThemeVariantScope
-                        MinWidth="400"
-                        RequestedThemeVariant="{Binding SelectedThemeVariant}">
-                        <Border Padding="10" Background="{DynamicResource WindowColor}">
-                            <StackPanel Spacing="16">
-                                <StackPanel.Styles>
-                                    <Style Selector="TextBlock">
-                                        <Setter Property="HorizontalAlignment" Value="Left" />
-                                        <Setter Property="VerticalAlignment" Value="Center" />
-                                        <Setter Property="FontWeight" Value="SemiBold" />
-                                    </Style>
-                                    <Style Selector="controls|ColorItemControl.ColorBlock">
-                                        <Setter Property="Width" Value="44" />
-                                        <Setter Property="Height" Value="{Binding $self.Width}" />
-                                        <Setter Property="HorizontalAlignment" Value="Right" />
-                                        <Setter Property="BorderThickness" Value="1" />
-                                        <Setter Property="BorderBrush" Value="{DynamicResource WindowTextColor}" />
-                                        <Setter Property="CornerRadius" Value="3" />
-                                    </Style>
-                                </StackPanel.Styles>
-                                <Panel>
-                                    <TextBlock
-                                        Foreground="{DynamicResource WindowTextColor}"
-                                        Text="Background" />
-                                    <controls:ColorItemControl
-                                        Classes="ColorBlock"
-                                        DataContext="{Binding ColorResources[0]}"
-                                        Background="{DynamicResource  WindowColor}" />
-                                </Panel>
-                                <Panel>
-                                    <TextBlock
-                                        Foreground="{DynamicResource WindowTextColor}"
-                                        Text="Text" />
-                                    <controls:ColorItemControl
-                                        Classes="ColorBlock"
-                                        DataContext="{Binding ColorResources[1]}"
-                                        Background="{DynamicResource  WindowTextColor}" />
-                                </Panel>
-                                <Panel>
-                                    <TextBlock
-                                        Foreground="{DynamicResource HotlightColor}"
-                                        TextDecorations="Underline"
-                                        Text="Hyperlink" />
-                                    <controls:ColorItemControl
-                                        Classes="ColorBlock"
-                                        DataContext="{Binding ColorResources[2]}"
-                                        Background="{DynamicResource  HotlightColor}" />
-                                </Panel>
-                                <Panel>
-                                    <TextBlock
-                                        Foreground="{DynamicResource GrayTextColor}"
-                                        Text="Inactive Text" />
-                                    <controls:ColorItemControl
-                                        Classes="ColorBlock"
-                                        DataContext="{Binding ColorResources[3]}"
-                                        Background="{DynamicResource  GrayTextColor}" />
-                                </Panel>
-                                <Panel>
-                                    <TextBlock
-                                        Foreground="{DynamicResource HighlightTextColor}"
-                                        Background="{DynamicResource HighlightColor}"
-                                        Text="Selected text" />
-                                    <StackPanel Orientation="Horizontal" HorizontalAlignment="Right" Spacing="4">
-                                        <controls:ColorItemControl
-                                            Classes="ColorBlock"
-                                            DataContext="{Binding ColorResources[4]}"
-                                            Background="{DynamicResource  HighlightTextColor}" />
-                                        <controls:ColorItemControl
-                                            Classes="ColorBlock"
-                                            DataContext="{Binding ColorResources[5]}"
-                                            Background="{DynamicResource  HighlightColor}" />
-                                    </StackPanel>
-                                </Panel>
-                                <Panel>
-                                    <Border
-                                        HorizontalAlignment="Left"
-                                        VerticalAlignment="Center"
-                                        BorderBrush="{DynamicResource ButtonTextColor}"
-                                        Background="{DynamicResource ButtonFaceColor}"
-                                        BorderThickness="2"
-                                        CornerRadius="3">
-                                        <TextBlock
-                                            Foreground="{DynamicResource ButtonTextColor}"
-                                            Padding="16 6"
-                                            Text="Button text" />
-                                    </Border>
-                                    <StackPanel Orientation="Horizontal" HorizontalAlignment="Right" Spacing="4">
-                                        <controls:ColorItemControl
-                                            Classes="ColorBlock"
-                                            DataContext="{Binding ColorResources[6]}"
-                                            Background="{DynamicResource  ButtonTextColor}" />
-                                        <controls:ColorItemControl
-                                            Classes="ColorBlock"
-                                            DataContext="{Binding ColorResources[7]}"
-                                            Background="{DynamicResource  ButtonFaceColor}" />
-                                    </StackPanel>
-                                </Panel>
-                            </StackPanel>
-                        </Border>
-                    </ThemeVariantScope>
-
-                    <DataGrid
-                        HorizontalAlignment="Left"
-                        CanUserSortColumns="False"
-                        AutoGenerateColumns="False"
-                        ItemsSource="{Binding ColorResources}"
-                        GridLinesVisibility="All"
-                        BorderBrush="{DynamicResource SemiColorBorder}"
-                        BorderThickness="1"
-                        Padding="5">
-                        <DataGrid.Columns>
-                            <DataGridTemplateColumn Header="Color">
-                                <DataGridTemplateColumn.CellTemplate>
-                                    <DataTemplate>
-                                        <controls:ColorItemControl
-                                            Width="40"
-                                            Height="20"
-                                            CornerRadius="3"
-                                            Background="{Binding Brush}" />
-                                    </DataTemplate>
-                                </DataGridTemplateColumn.CellTemplate>
-                            </DataGridTemplateColumn>
-
-                            <DataGridTemplateColumn Header="ResourceKey">
-                                <DataGridTemplateColumn.CellTemplate>
-                                    <DataTemplate>
-                                        <SelectableTextBlock
-                                            Margin="12 0"
-                                            VerticalAlignment="Center"
-                                            Text="{Binding ResourceKey}" />
-                                    </DataTemplate>
-                                </DataGridTemplateColumn.CellTemplate>
-                            </DataGridTemplateColumn>
-
-                            <DataGridTemplateColumn Header="Hex">
-                                <DataGridTemplateColumn.CellTemplate>
-                                    <DataTemplate>
-                                        <SelectableTextBlock
-                                            Margin="12 0"
-                                            VerticalAlignment="Center"
-                                            Text="{Binding Brush,
-                                                Converter={x:Static cvt:ColorConverter.ToHex},ConverterParameter={x:False}}" />
-                                    </DataTemplate>
-                                </DataGridTemplateColumn.CellTemplate>
-                            </DataGridTemplateColumn>
-
-                            <DataGridTemplateColumn Header="Description">
-                                <DataGridTemplateColumn.CellTemplate>
-                                    <DataTemplate>
-                                        <SelectableTextBlock
-                                            Margin="12 0"
-                                            VerticalAlignment="Center"
-                                            Text="{Binding Description}" />
-                                    </DataTemplate>
-                                </DataGridTemplateColumn.CellTemplate>
-                            </DataGridTemplateColumn>
-
-                            <DataGridTemplateColumn Header="Pair With">
-                                <DataGridTemplateColumn.CellTemplate>
-                                    <DataTemplate>
-                                        <SelectableTextBlock
-                                            Margin="12 0"
-                                            VerticalAlignment="Center"
-                                            Text="{Binding PairWith}" />
-                                    </DataTemplate>
-                                </DataGridTemplateColumn.CellTemplate>
-                            </DataGridTemplateColumn>
-
-                            <DataGridTemplateColumn Width="100" Header="CopyText">
-                                <DataGridTemplateColumn.CellTemplate>
-                                    <DataTemplate DataType="vm:ColorResource">
-                                        <Button
-                                            Command="{Binding $parent[pages:HighContrastDemo].Copy}"
-                                            CommandParameter="{Binding CopyText}"
-                                            Theme="{DynamicResource  IconBorderlessButton}"
-                                            Content="{StaticResource SemiIconCopy}" />
-                                    </DataTemplate>
-                                </DataGridTemplateColumn.CellTemplate>
-                            </DataGridTemplateColumn>
-                        </DataGrid.Columns>
-                    </DataGrid>
-                </StackPanel>
-            </ScrollViewer>
-        </SplitView.Content>
-    </SplitView>
-</UserControl>

demo/Semi.Avalonia.Demo/Pages/HighContrastDemo.axaml.cs

@@ -1,24 +0,0 @@
-using System.Threading.Tasks;
-using Avalonia.Controls;
-using Semi.Avalonia.Demo.ViewModels;
-
-namespace Semi.Avalonia.Demo.Pages;
-
-public partial class HighContrastDemo : UserControl
-{
-    public HighContrastDemo()
-    {
-        InitializeComponent();
-        this.DataContext = new HighContrastDemoViewModel();
-    }
-
-    public async Task Copy(object? o)
-    {
-        if (o is null) return;
-        var toplevel = TopLevel.GetTopLevel(this);
-        if (toplevel?.Clipboard is { } c)
-        {
-            await c.SetTextAsync(o.ToString());
-        }
-    }
-}

demo/Semi.Avalonia.Demo/Pages/IconDemo.axaml

@@ -16,80 +16,69 @@
             Margin="8"
             Classes="ClearButton"
             Text="{Binding SearchText}"
-            Watermark="Input Icon Name" />
+            PlaceholderText="Input Icon Name" />
 
-        <TabControl Grid.Row="1">
-            <TabItem Header="Filled Icons">
-                <ScrollViewer>
-                    <ItemsControl ItemsSource="{Binding FilteredFilledIcons}">
-                        <ItemsControl.ItemsPanel>
-                            <ItemsPanelTemplate>
-                                <WrapPanel />
-                            </ItemsPanelTemplate>
-                        </ItemsControl.ItemsPanel>
-                        <ItemsControl.ItemTemplate>
-                            <DataTemplate>
-                                <Button Theme="{DynamicResource OutlineButton}"
-                                        Classes="Tertiary"
-                                        Padding="0"
-                                        Margin="10"
-                                        Width="200"
-                                        Height="120"
-                                        Click="Button_Clicked">
-                                    <StackPanel Spacing="8">
-                                        <PathIcon
-                                            Theme="{DynamicResource InnerPathIcon}"
-                                            HorizontalAlignment="Center"
-                                            Classes="ExtraLarge"
-                                            Data="{Binding Geometry}" />
-                                        <TextBlock
-                                            HorizontalAlignment="Center"
-                                            FontSize="12"
-                                            FontWeight="Normal"
-                                            Text="{Binding ResourceKey}" />
-                                    </StackPanel>
-                                </Button>
-                            </DataTemplate>
-                        </ItemsControl.ItemTemplate>
-                    </ItemsControl>
-                </ScrollViewer>
-            </TabItem>
+        <TabControl
+            Grid.Row="1"
+            Theme="{StaticResource LineTabControl}"
+            ItemsSource="{Binding IconTabs}">
+            <TabControl.ItemTemplate>
+                <DataTemplate>
+                    <WrapPanel ItemSpacing="5">
+                        <TextBlock Text="{Binding Header}" />
+                        <Label 
+                            Theme="{StaticResource TagLabel}"
+                            Classes="Purple"
+                            IsVisible="{Binding Header, 
+                                Converter={x:Static ObjectConverters.Equal},
+                                ConverterParameter='AI Icons'}"
+                            Content="New" />
+                    </WrapPanel>
+                </DataTemplate>
+            </TabControl.ItemTemplate>
 
-            <TabItem Header="Stroked Icons">
-                <ScrollViewer>
-                    <ItemsControl ItemsSource="{Binding FilteredStrokedIcons}">
-                        <ItemsControl.ItemsPanel>
-                            <ItemsPanelTemplate>
-                                <WrapPanel />
-                            </ItemsPanelTemplate>
-                        </ItemsControl.ItemsPanel>
-                        <ItemsControl.ItemTemplate>
-                            <DataTemplate>
-                                <Button Theme="{DynamicResource OutlineButton}"
-                                        Classes="Tertiary"
-                                        Padding="0"
-                                        Margin="10"
-                                        Width="200"
-                                        Height="120"
-                                        Click="Button_Clicked">
-                                    <StackPanel Spacing="8">
-                                        <PathIcon
-                                            Theme="{DynamicResource InnerPathIcon}"
-                                            HorizontalAlignment="Center"
-                                            Classes="ExtraLarge"
-                                            Data="{Binding Geometry}" />
-                                        <TextBlock
-                                            HorizontalAlignment="Center"
-                                            FontSize="12"
-                                            FontWeight="Normal"
-                                            Text="{Binding ResourceKey}" />
-                                    </StackPanel>
-                                </Button>
-                            </DataTemplate>
-                        </ItemsControl.ItemTemplate>
-                    </ItemsControl>
-                </ScrollViewer>
-            </TabItem>
+            <TabControl.ContentTemplate>
+                <DataTemplate DataType="vm:IconTab">
+                    <ScrollViewer>
+                        <ItemsControl
+                            Margin="0 10"
+                            ItemsSource="{Binding IconItems}">
+                            <ItemsControl.ItemsPanel>
+                                <ItemsPanelTemplate>
+                                    <WrapPanel
+                                        ItemWidth="200"
+                                        ItemHeight="120"
+                                        ItemSpacing="10"
+                                        LineSpacing="10" />
+                                </ItemsPanelTemplate>
+                            </ItemsControl.ItemsPanel>
+                            <ItemsControl.ItemTemplate>
+                                <DataTemplate>
+                                    <Button Theme="{DynamicResource OutlineButton}"
+                                            Classes="Tertiary"
+                                            Padding="0"
+                                            HorizontalAlignment="Stretch"
+                                            VerticalAlignment="Stretch"
+                                            Click="Button_Clicked">
+                                        <StackPanel Spacing="8">
+                                            <PathIcon
+                                                Theme="{DynamicResource InnerPathIcon}"
+                                                HorizontalAlignment="Center"
+                                                Classes="ExtraLarge"
+                                                Data="{Binding Geometry}" />
+                                            <TextBlock
+                                                HorizontalAlignment="Center"
+                                                FontSize="12"
+                                                FontWeight="Normal"
+                                                Text="{Binding ResourceKey}" />
+                                        </StackPanel>
+                                    </Button>
+                                </DataTemplate>
+                            </ItemsControl.ItemTemplate>
+                        </ItemsControl>
+                    </ScrollViewer>
+                </DataTemplate>
+            </TabControl.ContentTemplate>
         </TabControl>
     </Grid>
 </UserControl>

demo/Semi.Avalonia.Demo/Pages/LabelDemo.axaml

@@ -8,14 +8,11 @@
     d:DesignWidth="800"
     mc:Ignorable="d">
     <ScrollViewer>
-        <StackPanel HorizontalAlignment="Left" Spacing="20">
+        <StackPanel>
             <StackPanel.Styles>
-                <Style Selector="Label">
-                    <Setter Property="Margin" Value="4" />
-                </Style>
-                <Style Selector="Grid > TextBlock">
-                    <Setter Property="VerticalAlignment" Value="Center" />
-                    <Setter Property="Margin" Value="4" />
+                <Style Selector="Grid > TextBlock,Grid > Label">
+                    <Setter Property="Layoutable.VerticalAlignment" Value="Center" />
+                    <Setter Property="Layoutable.Margin" Value="4" />
                 </Style>
             </StackPanel.Styles>
             <ScrollViewer HorizontalScrollBarVisibility="Auto">
@@ -156,69 +153,89 @@
                     </HeaderedContentControl>
                 </StackPanel>
             </ScrollViewer>
-            <WrapPanel>
-                <Label Theme="{StaticResource TagLabel}">Label</Label>
-                <Label Classes="Large" Theme="{StaticResource TagLabel}">Large Label</Label>
-                <Label Classes="Circle" Theme="{StaticResource TagLabel}">Circle Label</Label>
-                <Label Classes="Large Circle" Theme="{StaticResource TagLabel}">Large Circle Label</Label>
-            </WrapPanel>
-            <WrapPanel>
-                <Label Classes="Red" Theme="{StaticResource TagLabel}">Red</Label>
-                <Label Classes="Pink" Theme="{StaticResource TagLabel}">Pink</Label>
-                <Label Classes="Purple" Theme="{StaticResource TagLabel}">Purple</Label>
-                <Label Classes="Violet" Theme="{StaticResource TagLabel}">Violet</Label>
-                <Label Classes="Indigo" Theme="{StaticResource TagLabel}">Indigo</Label>
-                <Label Classes="Blue" Theme="{StaticResource TagLabel}">Blue</Label>
-                <Label Classes="LightBlue" Theme="{StaticResource TagLabel}">LightBlue</Label>
-                <Label Classes="Cyan" Theme="{StaticResource TagLabel}">Cyan</Label>
-                <Label Classes="Teal" Theme="{StaticResource TagLabel}">Teal</Label>
-                <Label Classes="Green" Theme="{StaticResource TagLabel}">Green</Label>
-                <Label Classes="LightGreen" Theme="{StaticResource TagLabel}">LightGreen</Label>
-                <Label Classes="Lime" Theme="{StaticResource TagLabel}">Lime</Label>
-                <Label Classes="Yellow" Theme="{StaticResource TagLabel}">Yellow</Label>
-                <Label Classes="Amber" Theme="{StaticResource TagLabel}">Amber</Label>
-                <Label Classes="Orange" Theme="{StaticResource TagLabel}">Orange</Label>
-                <Label Classes="Grey" Theme="{StaticResource TagLabel}">Grey</Label>
-                <Label Classes="White" Theme="{StaticResource TagLabel}">White</Label>
-            </WrapPanel>
-            <WrapPanel>
-                <Label Classes="Ghost Red" Theme="{StaticResource TagLabel}">Red</Label>
-                <Label Classes="Ghost Pink" Theme="{StaticResource TagLabel}">Pink</Label>
-                <Label Classes="Ghost Purple" Theme="{StaticResource TagLabel}">Purple</Label>
-                <Label Classes="Ghost Violet" Theme="{StaticResource TagLabel}">Violet</Label>
-                <Label Classes="Ghost Indigo" Theme="{StaticResource TagLabel}">Indigo</Label>
-                <Label Classes="Ghost Blue" Theme="{StaticResource TagLabel}">Blue</Label>
-                <Label Classes="Ghost LightBlue" Theme="{StaticResource TagLabel}">LightBlue</Label>
-                <Label Classes="Ghost Cyan" Theme="{StaticResource TagLabel}">Cyan</Label>
-                <Label Classes="Ghost Teal" Theme="{StaticResource TagLabel}">Teal</Label>
-                <Label Classes="Ghost Green" Theme="{StaticResource TagLabel}">Green</Label>
-                <Label Classes="Ghost LightGreen" Theme="{StaticResource TagLabel}">LightGreen</Label>
-                <Label Classes="Ghost Lime" Theme="{StaticResource TagLabel}">Lime</Label>
-                <Label Classes="Ghost Yellow" Theme="{StaticResource TagLabel}">Yellow</Label>
-                <Label Classes="Ghost Amber" Theme="{StaticResource TagLabel}">Amber</Label>
-                <Label Classes="Ghost Orange" Theme="{StaticResource TagLabel}">Orange</Label>
-                <Label Classes="Ghost Grey" Theme="{StaticResource TagLabel}">Grey</Label>
-                <Label Classes="Ghost White" Theme="{StaticResource TagLabel}">White</Label>
-            </WrapPanel>
-            <WrapPanel>
-                <Label Classes="Solid Red" Theme="{StaticResource TagLabel}">Red</Label>
-                <Label Classes="Solid Pink" Theme="{StaticResource TagLabel}">Pink</Label>
-                <Label Classes="Solid Purple" Theme="{StaticResource TagLabel}">Purple</Label>
-                <Label Classes="Solid Violet" Theme="{StaticResource TagLabel}">Violet</Label>
-                <Label Classes="Solid Indigo" Theme="{StaticResource TagLabel}">Indigo</Label>
-                <Label Classes="Solid Blue" Theme="{StaticResource TagLabel}">Blue</Label>
-                <Label Classes="Solid LightBlue" Theme="{StaticResource TagLabel}">LightBlue</Label>
-                <Label Classes="Solid Cyan" Theme="{StaticResource TagLabel}">Cyan</Label>
-                <Label Classes="Solid Teal" Theme="{StaticResource TagLabel}">Teal</Label>
-                <Label Classes="Solid Green" Theme="{StaticResource TagLabel}">Green</Label>
-                <Label Classes="Solid LightGreen" Theme="{StaticResource TagLabel}">LightGreen</Label>
-                <Label Classes="Solid Lime" Theme="{StaticResource TagLabel}">Lime</Label>
-                <Label Classes="Solid Yellow" Theme="{StaticResource TagLabel}">Yellow</Label>
-                <Label Classes="Solid Amber" Theme="{StaticResource TagLabel}">Amber</Label>
-                <Label Classes="Solid Orange" Theme="{StaticResource TagLabel}">Orange</Label>
-                <Label Classes="Solid Grey" Theme="{StaticResource TagLabel}">Grey</Label>
-                <Label Classes="Solid White" Theme="{StaticResource TagLabel}">White</Label>
-            </WrapPanel>
+
+            <HeaderedContentControl
+                Margin="16"
+                Header="Theme: TagLabel"
+                Theme="{DynamicResource GroupBox}">
+                <ScrollViewer HorizontalScrollBarVisibility="Auto">
+                    <StackPanel Orientation="Horizontal" Spacing="8">
+                        <StackPanel Spacing="4">
+                            <Label Classes="Red" Theme="{StaticResource TagLabel}">Red</Label>
+                            <Label Classes="Pink" Theme="{StaticResource TagLabel}">Pink</Label>
+                            <Label Classes="Purple" Theme="{StaticResource TagLabel}">Purple</Label>
+                            <Label Classes="Violet" Theme="{StaticResource TagLabel}">Violet</Label>
+                            <Label Classes="Indigo" Theme="{StaticResource TagLabel}">Indigo</Label>
+                            <Label Classes="Blue" Theme="{StaticResource TagLabel}">Blue</Label>
+                            <Label Classes="LightBlue" Theme="{StaticResource TagLabel}">LightBlue</Label>
+                            <Label Classes="Cyan" Theme="{StaticResource TagLabel}">Cyan</Label>
+                            <Label Classes="Teal" Theme="{StaticResource TagLabel}">Teal</Label>
+                            <Label Classes="Green" Theme="{StaticResource TagLabel}">Green</Label>
+                            <Label Classes="LightGreen" Theme="{StaticResource TagLabel}">LightGreen</Label>
+                            <Label Classes="Lime" Theme="{StaticResource TagLabel}">Lime</Label>
+                            <Label Classes="Yellow" Theme="{StaticResource TagLabel}">Yellow</Label>
+                            <Label Classes="Amber" Theme="{StaticResource TagLabel}">Amber</Label>
+                            <Label Classes="Orange" Theme="{StaticResource TagLabel}">Orange</Label>
+                            <Label Classes="Grey" Theme="{StaticResource TagLabel}">Grey</Label>
+                            <Label Classes="White" Theme="{StaticResource TagLabel}">White</Label>
+                        </StackPanel>
+                        <StackPanel Spacing="4">
+                            <Label Classes="Ghost Red" Theme="{StaticResource TagLabel}">Red</Label>
+                            <Label Classes="Ghost Pink" Theme="{StaticResource TagLabel}">Pink</Label>
+                            <Label Classes="Ghost Purple" Theme="{StaticResource TagLabel}">Purple</Label>
+                            <Label Classes="Ghost Violet" Theme="{StaticResource TagLabel}">Violet</Label>
+                            <Label Classes="Ghost Indigo" Theme="{StaticResource TagLabel}">Indigo</Label>
+                            <Label Classes="Ghost Blue" Theme="{StaticResource TagLabel}">Blue</Label>
+                            <Label Classes="Ghost LightBlue" Theme="{StaticResource TagLabel}">LightBlue</Label>
+                            <Label Classes="Ghost Cyan" Theme="{StaticResource TagLabel}">Cyan</Label>
+                            <Label Classes="Ghost Teal" Theme="{StaticResource TagLabel}">Teal</Label>
+                            <Label Classes="Ghost Green" Theme="{StaticResource TagLabel}">Green</Label>
+                            <Label Classes="Ghost LightGreen" Theme="{StaticResource TagLabel}">LightGreen</Label>
+                            <Label Classes="Ghost Lime" Theme="{StaticResource TagLabel}">Lime</Label>
+                            <Label Classes="Ghost Yellow" Theme="{StaticResource TagLabel}">Yellow</Label>
+                            <Label Classes="Ghost Amber" Theme="{StaticResource TagLabel}">Amber</Label>
+                            <Label Classes="Ghost Orange" Theme="{StaticResource TagLabel}">Orange</Label>
+                            <Label Classes="Ghost Grey" Theme="{StaticResource TagLabel}">Grey</Label>
+                            <Label Classes="Ghost White" Theme="{StaticResource TagLabel}">White</Label>
+                        </StackPanel>
+                        <StackPanel Spacing="4">
+                            <Label Classes="Solid Red" Theme="{StaticResource TagLabel}">Red</Label>
+                            <Label Classes="Solid Pink" Theme="{StaticResource TagLabel}">Pink</Label>
+                            <Label Classes="Solid Purple" Theme="{StaticResource TagLabel}">Purple</Label>
+                            <Label Classes="Solid Violet" Theme="{StaticResource TagLabel}">Violet</Label>
+                            <Label Classes="Solid Indigo" Theme="{StaticResource TagLabel}">Indigo</Label>
+                            <Label Classes="Solid Blue" Theme="{StaticResource TagLabel}">Blue</Label>
+                            <Label Classes="Solid LightBlue" Theme="{StaticResource TagLabel}">LightBlue</Label>
+                            <Label Classes="Solid Cyan" Theme="{StaticResource TagLabel}">Cyan</Label>
+                            <Label Classes="Solid Teal" Theme="{StaticResource TagLabel}">Teal</Label>
+                            <Label Classes="Solid Green" Theme="{StaticResource TagLabel}">Green</Label>
+                            <Label Classes="Solid LightGreen" Theme="{StaticResource TagLabel}">LightGreen</Label>
+                            <Label Classes="Solid Lime" Theme="{StaticResource TagLabel}">Lime</Label>
+                            <Label Classes="Solid Yellow" Theme="{StaticResource TagLabel}">Yellow</Label>
+                            <Label Classes="Solid Amber" Theme="{StaticResource TagLabel}">Amber</Label>
+                            <Label Classes="Solid Orange" Theme="{StaticResource TagLabel}">Orange</Label>
+                            <Label Classes="Solid Grey" Theme="{StaticResource TagLabel}">Grey</Label>
+                            <Label Classes="Solid White" Theme="{StaticResource TagLabel}">White</Label>
+                        </StackPanel>
+                        <StackPanel Spacing="4">
+                            <Label Classes="Colorful Gradient" Theme="{DynamicResource TagLabel}">Light</Label>
+                            <Label Classes="Colorful Gradient Ghost" Theme="{DynamicResource TagLabel}">Ghost</Label>
+                            <Label Classes="Colorful Gradient Solid" Theme="{DynamicResource TagLabel}">Solid</Label>
+                        </StackPanel>
+                        <StackPanel Spacing="4">
+                            <Label Classes="Colorful" Theme="{DynamicResource TagLabel}">Light</Label>
+                            <Label Classes="Colorful Ghost" Theme="{DynamicResource TagLabel}">Ghost</Label>
+                            <Label Classes="Colorful Solid" Theme="{DynamicResource TagLabel}">Solid</Label>
+                        </StackPanel>
+                        <StackPanel Spacing="4">
+                            <Label Theme="{StaticResource TagLabel}">Label</Label>
+                            <Label Classes="Large" Theme="{StaticResource TagLabel}">Large Label</Label>
+                            <Label Classes="Circle" Theme="{StaticResource TagLabel}">Circle Label</Label>
+                            <Label Classes="Large Circle" Theme="{StaticResource TagLabel}">Large Circle Label</Label>
+                        </StackPanel>
+                    </StackPanel>
+                </ScrollViewer>
+            </HeaderedContentControl>
         </StackPanel>
     </ScrollViewer>
 </UserControl>

demo/Semi.Avalonia.Demo/Pages/NavigationDemoHelper.cs

@@ -0,0 +1,66 @@
+using Avalonia.Controls;
+using Avalonia.Layout;
+using Avalonia.Media;
+
+namespace Semi.Avalonia.Demo.Pages;
+
+/// <summary>
+/// Shared helpers for ControlCatalog demo pages.
+/// </summary>
+internal static class NavigationDemoHelper
+{
+    /// <summary>
+    /// Pastel background brushes cycled by page index.
+    /// </summary>
+    internal static readonly IBrush[] PageBrushes =
+    [
+        new SolidColorBrush(Color.Parse("#BBDEFB")),
+        new SolidColorBrush(Color.Parse("#C8E6C9")),
+        new SolidColorBrush(Color.Parse("#FFE0B2")),
+        new SolidColorBrush(Color.Parse("#E1BEE7")),
+        new SolidColorBrush(Color.Parse("#FFCDD2")),
+        new SolidColorBrush(Color.Parse("#B2EBF2"))
+    ];
+
+    internal static IBrush GetPageBrush(int index) =>
+        PageBrushes[(index % PageBrushes.Length + PageBrushes.Length) % PageBrushes.Length];
+
+    /// <summary>
+    /// Creates a simple demo ContentPage with a centered title and subtitle.
+    /// </summary>
+    internal static ContentPage MakePage(string header, string body, int colorIndex) =>
+        new()
+        {
+            Header = header,
+            Background = GetPageBrush(colorIndex),
+            Content = new StackPanel
+            {
+                HorizontalAlignment = HorizontalAlignment.Center,
+                VerticalAlignment = VerticalAlignment.Center,
+                Spacing = 8,
+                Children =
+                {
+                    new TextBlock
+                    {
+                        Text = header,
+                        FontSize = 20,
+                        FontWeight = FontWeight.SemiBold,
+                        HorizontalAlignment = HorizontalAlignment.Center,
+                        Foreground = Brushes.Black,
+                    },
+                    new TextBlock
+                    {
+                        Text = body,
+                        FontSize = 13,
+                        Opacity = 0.7,
+                        TextWrapping = TextWrapping.Wrap,
+                        TextAlignment = TextAlignment.Center,
+                        MaxWidth = 260,
+                        Foreground = Brushes.Black,
+                    }
+                }
+            },
+            HorizontalContentAlignment = HorizontalAlignment.Stretch,
+            VerticalContentAlignment = VerticalAlignment.Stretch
+        };
+}

demo/Semi.Avalonia.Demo/Pages/NavigationPageDemo.axaml

@@ -0,0 +1,65 @@
+<UserControl
+    x:Class="Semi.Avalonia.Demo.Pages.NavigationPageDemo"
+    xmlns="https://github.com/avaloniaui"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+    d:DesignHeight="700"
+    d:DesignWidth="800"
+    mc:Ignorable="d">
+    <ScrollViewer>
+        <DockPanel>
+            <ScrollViewer DockPanel.Dock="Right" Width="260">
+                <StackPanel Margin="12" Spacing="8">
+                    <TextBlock Text="Configuration" FontWeight="SemiBold" FontSize="16" />
+                    <TextBlock Text="Navigation" FontWeight="SemiBold" FontSize="13" />
+
+                    <Button Content="Push Page"
+                            HorizontalAlignment="Stretch"
+                            Click="OnPush" />
+                    <Button Content="Pop"
+                            HorizontalAlignment="Stretch"
+                            Click="OnPop" />
+                    <Button Content="Pop to Root"
+                            HorizontalAlignment="Stretch"
+                            Click="OnPopToRoot" />
+
+                    <Separator />
+
+                    <TextBlock Text="Options" FontWeight="SemiBold" FontSize="14" />
+
+                    <CheckBox Name="HasNavBarCheck"
+                              Content="Has Navigation Bar"
+                              IsChecked="True"
+                              IsCheckedChanged="OnHasNavBarChanged" />
+                    <CheckBox Name="HasBackButtonCheck"
+                              Content="Has Back Button"
+                              IsChecked="True" 
+                              IsCheckedChanged="OnHasBackButonChanged" />
+
+                    <Separator />
+
+                    <TextBlock Text="Status" FontWeight="SemiBold" FontSize="14" />
+                    <TextBlock Name="StatusText"
+                               Text="Depth: 1"
+                               Opacity="0.7"
+                               TextWrapping="Wrap" />
+                    <TextBlock Name="HeaderText"
+                               Text="Current: Home"
+                               Opacity="0.7"
+                               TextWrapping="Wrap" />
+                </StackPanel>
+            </ScrollViewer>
+
+            <Border DockPanel.Dock="Right" Width="1" Background="{DynamicResource SemiColorBackground0}" />
+
+            <Border Margin="12"
+                    BorderBrush="{DynamicResource SemiColorBorder}"
+                    BorderThickness="1"
+                    CornerRadius="6"
+                    ClipToBounds="True">
+                <NavigationPage Name="DemoNav" />
+            </Border>
+        </DockPanel>
+    </ScrollViewer>
+</UserControl>

demo/Semi.Avalonia.Demo/Pages/NavigationPageDemo.axaml.cs

@@ -0,0 +1,66 @@
+using Avalonia.Controls;
+using Avalonia.Interactivity;
+
+namespace Semi.Avalonia.Demo.Pages;
+
+public partial class NavigationPageDemo : UserControl
+{
+    private int _pageCount;
+
+    public NavigationPageDemo()
+    {
+        InitializeComponent();
+        Loaded += OnLoaded;
+    }
+
+    private async void OnLoaded(object? sender, RoutedEventArgs e)
+    {
+        await DemoNav.PushAsync(NavigationDemoHelper.MakePage("Home", "Welcome!\nUse the buttons to push and pop pages.", 0), null);
+        UpdateStatus();
+    }
+
+    private async void OnPush(object? sender, RoutedEventArgs e)
+    {
+        _pageCount++;
+        var page = NavigationDemoHelper.MakePage($"Page {_pageCount}", $"This is page {_pageCount}.", _pageCount);
+        NavigationPage.SetHasNavigationBar(page, HasNavBarCheck.IsChecked == true);
+        NavigationPage.SetHasBackButton(page, HasBackButtonCheck.IsChecked == true);
+        await DemoNav.PushAsync(page);
+        UpdateStatus();
+    }
+
+    private async void OnPop(object? sender, RoutedEventArgs e)
+    {
+        await DemoNav.PopAsync();
+        UpdateStatus();
+    }
+
+    private async void OnPopToRoot(object? sender, RoutedEventArgs e)
+    {
+        await DemoNav.PopToRootAsync();
+        _pageCount = 0;
+        UpdateStatus();
+    }
+
+    private void OnHasNavBarChanged(object? sender, RoutedEventArgs e)
+    {
+        if (DemoNav == null)
+            return;
+        if (DemoNav.CurrentPage != null)
+            NavigationPage.SetHasNavigationBar(DemoNav.CurrentPage, HasNavBarCheck.IsChecked == true);
+    }
+
+    private void OnHasBackButonChanged(object? sender, RoutedEventArgs e)
+    {
+        if (DemoNav == null)
+            return;
+        if (DemoNav.CurrentPage != null)
+            NavigationPage.SetHasBackButton(DemoNav.CurrentPage, HasBackButtonCheck.IsChecked == true);
+    }
+
+    private void UpdateStatus()
+    {
+        StatusText.Text = $"Depth: {DemoNav.StackDepth}";
+        HeaderText.Text = $"Current: {DemoNav.CurrentPage?.Header ?? "(none)"}";
+    }
+}

demo/Semi.Avalonia.Demo/Pages/NumericUpDownDemo.axaml

@@ -28,15 +28,15 @@
             <NumericUpDown
                 Width="100"
                 Classes="Large"
-                Watermark="Large"
+                PlaceholderText="Large"
                 ButtonSpinnerLocation="Left" />
             <NumericUpDown
                 Width="100"
-                Watermark="Default"
+                PlaceholderText="Default"
                 ShowButtonSpinner="False" />
             <NumericUpDown
                 Width="100"
-                Watermark="Small"
+                PlaceholderText="Small"
                 Classes="Small" />
         </StackPanel>
 

demo/Semi.Avalonia.Demo/Pages/Overview.axaml

@@ -353,12 +353,12 @@
                         <StackPanel>
                             <TextBlock Text="Install via nuget: " />
                             <Border Margin="0,16" Classes="CodeBlock">
-                                <SelectableTextBlock FontFamily="Consolas" Text="{Binding $parent[local:Overview].MainInstall}" />
+                                <SelectableTextBlock  Text="{Binding $parent[local:Overview].MainInstall}" />
                             </Border>
                             <TextBlock Text="Reference styles: " />
                             <Border Margin="0,16" Classes="CodeBlock">
                                 <SelectableTextBlock
-                                    FontFamily="Consolas"
+                                    
                                     Text="{Binding $parent[local:Overview].MainStyle}"
                                     TextWrapping="Wrap" />
                             </Border>
@@ -368,12 +368,12 @@
                         <StackPanel>
                             <TextBlock Text="Install via nuget: " />
                             <Border Margin="0,16" Classes="CodeBlock">
-                                <SelectableTextBlock FontFamily="Consolas" Text="{Binding $parent[local:Overview].ColorPickerInstall}" />
+                                <SelectableTextBlock  Text="{Binding $parent[local:Overview].ColorPickerInstall}" />
                             </Border>
                             <TextBlock Text="Reference styles: " />
                             <Border Margin="0,16" Classes="CodeBlock">
                                 <SelectableTextBlock
-                                    FontFamily="Consolas"
+                                    
                                     Text="{Binding $parent[local:Overview].ColorPickerStyle}"
                                     TextWrapping="Wrap" />
                             </Border>
@@ -383,12 +383,12 @@
                         <StackPanel>
                             <TextBlock Text="Install via nuget: " />
                             <Border Margin="0,16" Classes="CodeBlock">
-                                <SelectableTextBlock FontFamily="Consolas" Text="{Binding $parent[local:Overview].DataGridInstall}" />
+                                <SelectableTextBlock  Text="{Binding $parent[local:Overview].DataGridInstall}" />
                             </Border>
                             <TextBlock Text="Reference styles: " />
                             <Border Margin="0,16" Classes="CodeBlock">
                                 <SelectableTextBlock
-                                    FontFamily="Consolas"
+                                    
                                     Text="{Binding $parent[local:Overview].DataGridStyle}"
                                     TextWrapping="Wrap" />
                             </Border>
@@ -398,12 +398,12 @@
                         <StackPanel>
                             <TextBlock Text="Install via nuget: " />
                             <Border Margin="0,16" Classes="CodeBlock">
-                                <SelectableTextBlock FontFamily="Consolas" Text="{Binding $parent[local:Overview].TreeDataGridInstall}" />
+                                <SelectableTextBlock  Text="{Binding $parent[local:Overview].TreeDataGridInstall}" />
                             </Border>
                             <TextBlock Text="Reference styles: " />
                             <Border Margin="0,16" Classes="CodeBlock">
                                 <SelectableTextBlock
-                                    FontFamily="Consolas"
+                                    
                                     Text="{Binding $parent[local:Overview].TreeDataGridStyle}"
                                     TextWrapping="Wrap" />
                             </Border>
@@ -413,12 +413,12 @@
                         <StackPanel>
                             <TextBlock Text="Install via nuget: " />
                             <Border Margin="0,16" Classes="CodeBlock">
-                                <SelectableTextBlock FontFamily="Consolas" Text="{Binding $parent[local:Overview].DockInstall}" />
+                                <SelectableTextBlock  Text="{Binding $parent[local:Overview].DockInstall}" />
                             </Border>
                             <TextBlock Text="Reference styles: " />
                             <Border Margin="0,16" Classes="CodeBlock">
                                 <SelectableTextBlock
-                                    FontFamily="Consolas"
+                                    
                                     Text="{Binding $parent[local:Overview].DockStyle}"
                                     TextWrapping="Wrap" />
                             </Border>
@@ -428,12 +428,12 @@
                         <StackPanel>
                             <TextBlock Text="Install via nuget: " />
                             <Border Margin="0,16" Classes="CodeBlock">
-                                <SelectableTextBlock FontFamily="Consolas" Text="{Binding $parent[local:Overview].TabaloniaInstall}" />
+                                <SelectableTextBlock  Text="{Binding $parent[local:Overview].TabaloniaInstall}" />
                             </Border>
                             <TextBlock Text="Reference styles: " />
                             <Border Margin="0,16" Classes="CodeBlock">
                                 <SelectableTextBlock
-                                    FontFamily="Consolas"
+                                    
                                     Text="{Binding $parent[local:Overview].TabaloniaStyle}"
                                     TextWrapping="Wrap" />
                             </Border>
@@ -443,12 +443,12 @@
                         <StackPanel>
                             <TextBlock Text="Install via nuget: " />
                             <Border Margin="0,16" Classes="CodeBlock">
-                                <SelectableTextBlock FontFamily="Consolas" Text="{Binding $parent[local:Overview].AvaloniaEditInstall}" />
+                                <SelectableTextBlock  Text="{Binding $parent[local:Overview].AvaloniaEditInstall}" />
                             </Border>
                             <TextBlock Text="Reference styles: " />
                             <Border Margin="0,16" Classes="CodeBlock">
                                 <SelectableTextBlock
-                                    FontFamily="Consolas"
+                                    
                                     Text="{Binding $parent[local:Overview].AvaloniaEditStyle}"
                                     TextWrapping="Wrap" />
                             </Border>

demo/Semi.Avalonia.Demo/Pages/PaletteDemo.axaml.cs

@@ -1,6 +1,7 @@
 using System.Threading.Tasks;
 using Avalonia.Controls;
 using Avalonia.Controls.Primitives;
+using Avalonia.Input.Platform;
 using Avalonia.Threading;
 using Semi.Avalonia.Demo.ViewModels;
 

demo/Semi.Avalonia.Demo/Pages/RepeatButtonDemo.axaml

@@ -1,80 +0,0 @@
-<UserControl
-    x:Class="Semi.Avalonia.Demo.Pages.RepeatButtonDemo"
-    xmlns="https://github.com/avaloniaui"
-    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
-    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
-    d:DesignHeight="450"
-    d:DesignWidth="800"
-    mc:Ignorable="d">
-    <StackPanel HorizontalAlignment="Left" Spacing="20">
-        <TextBlock>Light (Default)</TextBlock>
-        <StackPanel Orientation="Horizontal" Spacing="20">
-            <RepeatButton Classes="Primary">Primary</RepeatButton>
-            <RepeatButton Classes="Secondary">Secondary</RepeatButton>
-            <RepeatButton Classes="Tertiary">Tertiary</RepeatButton>
-            <RepeatButton Classes="Success">Success</RepeatButton>
-            <RepeatButton Classes="Warning">Warning</RepeatButton>
-            <RepeatButton Classes="Danger">Danger</RepeatButton>
-            <RepeatButton Classes="Danger" IsEnabled="False">Disabled</RepeatButton>
-        </StackPanel>
-        <TextBlock>Solid</TextBlock>
-        <StackPanel Orientation="Horizontal" Spacing="20">
-            <RepeatButton Classes="Primary" Theme="{DynamicResource SolidRepeatButton}">Primary</RepeatButton>
-            <RepeatButton Classes="Secondary" Theme="{DynamicResource SolidRepeatButton}">Secondary</RepeatButton>
-            <RepeatButton Classes="Tertiary" Theme="{DynamicResource SolidRepeatButton}">Tertiary</RepeatButton>
-            <RepeatButton Classes="Success" Theme="{DynamicResource SolidRepeatButton}">Success</RepeatButton>
-            <RepeatButton Classes="Warning" Theme="{DynamicResource SolidRepeatButton}">Warning</RepeatButton>
-            <RepeatButton Classes="Danger" Theme="{DynamicResource SolidRepeatButton}">Danger</RepeatButton>
-            <RepeatButton
-                Classes="Danger"
-                IsEnabled="False"
-                Theme="{DynamicResource SolidRepeatButton}">
-                Disabled
-            </RepeatButton>
-        </StackPanel>
-        <TextBlock>Outline</TextBlock>
-        <StackPanel Orientation="Horizontal" Spacing="20">
-            <RepeatButton Classes="Primary" Theme="{DynamicResource OutlineRepeatButton}">Primary</RepeatButton>
-            <RepeatButton Classes="Secondary" Theme="{DynamicResource OutlineRepeatButton}">Secondary</RepeatButton>
-            <RepeatButton Classes="Tertiary" Theme="{DynamicResource OutlineRepeatButton}">Tertiary</RepeatButton>
-            <RepeatButton Classes="Success" Theme="{DynamicResource OutlineRepeatButton}">Success</RepeatButton>
-            <RepeatButton Classes="Warning" Theme="{DynamicResource OutlineRepeatButton}">Warning</RepeatButton>
-            <RepeatButton Classes="Danger" Theme="{DynamicResource OutlineRepeatButton}">Danger</RepeatButton>
-            <RepeatButton
-                Classes="Danger"
-                IsEnabled="False"
-                Theme="{DynamicResource OutlineRepeatButton}">
-                Disabled
-            </RepeatButton>
-        </StackPanel>
-        <TextBlock>Borderless</TextBlock>
-        <StackPanel Orientation="Horizontal" Spacing="20">
-            <RepeatButton Classes="Primary" Theme="{DynamicResource BorderlessRepeatButton}">Primary</RepeatButton>
-            <RepeatButton Classes="Secondary" Theme="{DynamicResource BorderlessRepeatButton}">Secondary</RepeatButton>
-            <RepeatButton Classes="Tertiary" Theme="{DynamicResource BorderlessRepeatButton}">Tertiary</RepeatButton>
-            <RepeatButton Classes="Success" Theme="{DynamicResource BorderlessRepeatButton}">Success</RepeatButton>
-            <RepeatButton Classes="Warning" Theme="{DynamicResource BorderlessRepeatButton}">Warning</RepeatButton>
-            <RepeatButton Classes="Danger" Theme="{DynamicResource BorderlessRepeatButton}">Danger</RepeatButton>
-            <RepeatButton
-                Classes="Danger"
-                IsEnabled="False"
-                Theme="{DynamicResource BorderlessRepeatButton}">
-                Disabled
-            </RepeatButton>
-        </StackPanel>
-        <TextBlock>Disabled</TextBlock>
-        <StackPanel Background="{DynamicResource SemiColorBackground1}" Orientation="Horizontal" Spacing="20">
-            <Button IsEnabled="False">Light</Button>
-            <Button IsEnabled="False" Theme="{DynamicResource SolidButton}">Solid</Button>
-            <Button IsEnabled="False" Theme="{DynamicResource OutlineButton}">Outline</Button>
-            <Button IsEnabled="False" Theme="{DynamicResource BorderlessButton}">Borderless</Button>
-        </StackPanel>
-        <TextBlock>Size Classes</TextBlock>
-        <StackPanel Orientation="Horizontal" Spacing="20">
-            <RepeatButton Classes="Small">Small</RepeatButton>
-            <RepeatButton>Default</RepeatButton>
-            <RepeatButton Classes="Large">Large</RepeatButton>
-        </StackPanel>
-    </StackPanel>
-</UserControl>

demo/Semi.Avalonia.Demo/Pages/SliderDemo.axaml

@@ -22,6 +22,15 @@
             TickFrequency="10"
             TickPlacement="Outside"
             Value="0" />
+        <Slider
+            Value="0"
+            Minimum="0"
+            Maximum="100"
+            TickPlacement="BottomRight"
+            IsSnapToTickEnabled="True"
+            IsDirectionReversed="True"
+            Ticks="0,20,25,40,75,100"
+            Width="300" />
         <Slider
             Width="300"
             Classes="ToolTip"

demo/Semi.Avalonia.Demo/Pages/TabbedPageDemo.axaml

@@ -0,0 +1,80 @@
+<UserControl
+    x:Class="Semi.Avalonia.Demo.Pages.TabbedPageDemo"
+    xmlns="https://github.com/avaloniaui"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+    d:DesignHeight="600"
+    d:DesignWidth="800"
+    mc:Ignorable="d">
+    <DockPanel>
+        <ScrollViewer DockPanel.Dock="Right" Width="260">
+            <StackPanel Margin="12" Spacing="8">
+                <TextBlock Text="Configuration" FontWeight="SemiBold" FontSize="16"
+                           Foreground="{DynamicResource SemiColorText0}" />
+
+                <TextBlock Text="Tab Management" FontWeight="SemiBold" FontSize="13" />
+                <StackPanel Spacing="6">
+                    <Button Content="Add Tab" Click="OnAddTab" HorizontalAlignment="Stretch" />
+                    <Button Content="Remove Latest Tab" Click="OnRemoveTab" HorizontalAlignment="Stretch" />
+                </StackPanel>
+
+                <Separator />
+
+                <TextBlock Text="Tab Placement" FontWeight="SemiBold" FontSize="13" />
+                <ComboBox Name="PlacementCombo" SelectedIndex="0"
+                          SelectionChanged="OnPlacementChanged" HorizontalAlignment="Stretch">
+                    <ComboBoxItem Content="Top" />
+                    <ComboBoxItem Content="Bottom" />
+                    <ComboBoxItem Content="Left" />
+                    <ComboBoxItem Content="Right" />
+                </ComboBox>
+
+                <Separator />
+
+                <TextBlock Text="Status" FontWeight="SemiBold" FontSize="14" />
+                <TextBlock Name="StatusText"
+                           Text="3 tabs | Selected: Home (0)"
+                           Opacity="0.7"
+                           TextWrapping="Wrap" />
+            </StackPanel>
+        </ScrollViewer>
+
+        <Border DockPanel.Dock="Right" Width="1" Background="{DynamicResource SemiColorBackground0}" />
+
+        <Border Margin="12"
+                BorderBrush="{DynamicResource SemiColorBorder}"
+                BorderThickness="1"
+                CornerRadius="6"
+                ClipToBounds="True">
+            <TabbedPage Name="DemoTabs"
+                        TabPlacement="Top"
+                        SelectionChanged="OnSelectionChanged">
+                <ContentPage Header="Home">
+                    <StackPanel Margin="16" Spacing="8">
+                        <TextBlock Text="Home Tab" FontSize="24" FontWeight="Bold" />
+                        <TextBlock Text="Welcome to the Home tab. This is a TabbedPage sample."
+                                   TextWrapping="Wrap" />
+                        <TextBlock Text="Use the panel on the right to add or remove tabs dynamically."
+                                   TextWrapping="Wrap" Opacity="0.7" />
+                    </StackPanel>
+                </ContentPage>
+                <ContentPage Header="Search">
+                    <StackPanel Margin="16" Spacing="8">
+                        <TextBlock Text="Search Tab" FontSize="24" FontWeight="Bold" />
+                        <TextBox PlaceholderText="Type to search..." />
+                        <TextBlock Text="Search results will appear here." Opacity="0.7" />
+                    </StackPanel>
+                </ContentPage>
+                <ContentPage Header="Settings">
+                    <StackPanel Margin="16" Spacing="8">
+                        <TextBlock Text="Settings Tab" FontSize="24" FontWeight="Bold" />
+                        <CheckBox Content="Enable notifications" />
+                        <CheckBox Content="Dark mode" />
+                        <CheckBox Content="Auto-save" IsChecked="True" />
+                    </StackPanel>
+                </ContentPage>
+            </TabbedPage>
+        </Border>
+    </DockPanel>
+</UserControl>

demo/Semi.Avalonia.Demo/Pages/TabbedPageDemo.axaml.cs

@@ -0,0 +1,84 @@
+using System.Collections;
+using Avalonia;
+using Avalonia.Controls;
+using Avalonia.Interactivity;
+using Avalonia.Media;
+
+namespace Semi.Avalonia.Demo.Pages;
+
+public partial class TabbedPageDemo : UserControl
+{
+    private int _tabCounter = 3;
+
+    public TabbedPageDemo()
+    {
+        InitializeComponent();
+    }
+
+    private void OnAddTab(object? sender, RoutedEventArgs e)
+    {
+        var idx = ++_tabCounter;
+        var page = new ContentPage
+        {
+            Header = $"Tab {idx}",
+            Content = new StackPanel
+            {
+                Margin = new Thickness(16),
+                Spacing = 8,
+                Children =
+                {
+                    new TextBlock
+                    {
+                        Text = $"Tab {idx}",
+                        FontSize = 24,
+                        FontWeight = FontWeight.Bold,
+                    },
+                    new TextBlock
+                    {
+                        Text = $"This tab was added dynamically (tab #{idx}).",
+                        Opacity = 0.7,
+                        TextWrapping = TextWrapping.Wrap,
+                    }
+                }
+            }
+        };
+
+        ((IList)DemoTabs.Pages!).Add(page);
+        UpdateStatus();
+    }
+
+    private void OnRemoveTab(object? sender, RoutedEventArgs e)
+    {
+        var pages = (IList)DemoTabs.Pages!;
+        if (pages.Count > 1)
+        {
+            pages.RemoveAt(pages.Count - 1);
+            UpdateStatus();
+        }
+    }
+
+    private void OnPlacementChanged(object? sender, SelectionChangedEventArgs e)
+    {
+        if (DemoTabs == null) return;
+        DemoTabs.TabPlacement = PlacementCombo.SelectedIndex switch
+        {
+            1 => TabPlacement.Bottom,
+            2 => TabPlacement.Left,
+            3 => TabPlacement.Right,
+            _ => TabPlacement.Top
+        };
+    }
+
+    private void OnSelectionChanged(object? sender, PageSelectionChangedEventArgs e)
+    {
+        UpdateStatus();
+    }
+
+    private void UpdateStatus()
+    {
+        if (StatusText == null) return;
+        var pages = (IList)DemoTabs.Pages!;
+        var pageName = (DemoTabs.SelectedPage as ContentPage)?.Header?.ToString() ?? "—";
+        StatusText.Text = $"{pages.Count} tab{(pages.Count != 1 ? "s" : "")} | Selected: {pageName} ({DemoTabs.SelectedIndex})";
+    }
+}

demo/Semi.Avalonia.Demo/Pages/TextBoxDemo.axaml

@@ -23,36 +23,36 @@
                 <TextBox
                     Width="100"
                     Classes="Large"
-                    Watermark="Large" />
+                    PlaceholderText="Large" />
                 <TextBox
                     Width="100"
-                    Watermark="Default" />
+                    PlaceholderText="Default" />
                 <TextBox
                     Width="100"
                     Classes="Small"
-                    Watermark="Small" />
+                    PlaceholderText="Small" />
             </StackPanel>
 
             <StackPanel Orientation="Horizontal">
                 <TextBox
                     Width="100"
                     IsEnabled="False"
-                    Watermark="Disabled" />
+                    PlaceholderText="Disabled" />
                 <TextBox
                     Width="100"
                     Classes="Bordered"
-                    Watermark="Bordered" />
+                    PlaceholderText="Bordered" />
                 <TextBox
                     Width="100"
                     Classes="Bordered"
                     IsEnabled="False" />
             </StackPanel>
-            <TextBox Width="300" Classes="TextArea" Watermark="TextArea TextBox" />
+            <TextBox Width="300" Classes="TextArea" PlaceholderText="TextArea TextBox" />
             <TextBox Width="300" Classes="TextArea ClearButton" Text="TextArea with ClearButton - text should be clearable" />
             <TextBox
                 Width="300"
                 Theme="{StaticResource LooklessTextBox}"
-                Watermark="Lookless TextBox"
+                PlaceholderText="Lookless TextBox"
                 InnerLeftContent="https://"
                 InnerRightContent=".com" />
         </StackPanel>

demo/Semi.Avalonia.Demo/Pages/ToggleButtonDemo.axaml

@@ -1,98 +0,0 @@
-<UserControl
-    x:Class="Semi.Avalonia.Demo.Pages.ToggleButtonDemo"
-    xmlns="https://github.com/avaloniaui"
-    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
-    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
-    d:DesignHeight="450"
-    d:DesignWidth="800"
-    mc:Ignorable="d">
-    <StackPanel Spacing="20">
-        <TextBlock Text="Toggle Button (Default)" />
-        <StackPanel Orientation="Horizontal" Spacing="20">
-            <ToggleButton>Default</ToggleButton>
-            <ToggleButton Classes="Primary">Primary</ToggleButton>
-            <ToggleButton Classes="Secondary">Secondary</ToggleButton>
-            <ToggleButton Classes="Tertiary">Tertiary</ToggleButton>
-            <ToggleButton Classes="Success">Success</ToggleButton>
-            <ToggleButton Classes="Warning">Warning</ToggleButton>
-            <ToggleButton Classes="Danger">Danger</ToggleButton>
-            <ToggleButton Classes="Danger" IsEnabled="False">Disabled</ToggleButton>
-        </StackPanel>
-        <TextBlock Text="Toggle Button Checked State" />
-        <StackPanel Orientation="Horizontal" Spacing="20">
-            <ToggleButton IsChecked="True">Default</ToggleButton>
-            <ToggleButton Classes="Primary" IsChecked="True">Primary</ToggleButton>
-            <ToggleButton Classes="Secondary" IsChecked="True">Secondary</ToggleButton>
-            <ToggleButton Classes="Tertiary" IsChecked="True">Tertiary</ToggleButton>
-            <ToggleButton Classes="Success" IsChecked="True">Success</ToggleButton>
-            <ToggleButton Classes="Warning" IsChecked="True">Warning</ToggleButton>
-            <ToggleButton Classes="Danger" IsChecked="True">Danger</ToggleButton>
-            <ToggleButton
-                Classes="Danger"
-                IsChecked="True"
-                IsEnabled="False">
-                Disabled
-            </ToggleButton>
-        </StackPanel>
-        <TextBlock Text="Toggle Button Three State" />
-        <StackPanel Orientation="Horizontal" Spacing="20">
-            <ToggleButton IsChecked="{x:Null}" IsThreeState="True">Default</ToggleButton>
-            <ToggleButton
-                Classes="Primary"
-                IsChecked="{x:Null}"
-                IsThreeState="True">
-                Primary
-            </ToggleButton>
-            <ToggleButton
-                Classes="Secondary"
-                IsChecked="{x:Null}"
-                IsThreeState="True">
-                Secondary
-            </ToggleButton>
-            <ToggleButton
-                Classes="Tertiary"
-                IsChecked="{x:Null}"
-                IsThreeState="True">
-                Tertiary
-            </ToggleButton>
-            <ToggleButton
-                Classes="Success"
-                IsChecked="{x:Null}"
-                IsThreeState="True">
-                Success
-            </ToggleButton>
-            <ToggleButton
-                Classes="Warning"
-                IsChecked="{x:Null}"
-                IsThreeState="True">
-                Warning
-            </ToggleButton>
-            <ToggleButton
-                Classes="Danger"
-                IsChecked="{x:Null}"
-                IsThreeState="True">
-                Danger
-            </ToggleButton>
-            <ToggleButton
-                Classes="Danger"
-                IsChecked="{x:Null}"
-                IsEnabled="False"
-                IsThreeState="True">
-                Disabled
-            </ToggleButton>
-        </StackPanel>
-        <TextBlock Text="Toggle Button Disabled State" />
-        <StackPanel Background="{DynamicResource SemiColorBackground1}" Orientation="Horizontal" Spacing="20">
-            <ToggleButton IsThreeState="True" IsEnabled="False">Default</ToggleButton>
-            <ToggleButton IsThreeState="True" IsEnabled="False" IsChecked="True">Checked</ToggleButton>
-            <ToggleButton IsThreeState="True" IsEnabled="False" IsChecked="{x:Null}">Indeterminate</ToggleButton>
-        </StackPanel>
-        <TextBlock Text="Toggle Button Size" />
-        <StackPanel Orientation="Horizontal" Spacing="20">
-            <ToggleButton Classes="Small" IsThreeState="True">Small</ToggleButton>
-            <ToggleButton IsThreeState="True">Default</ToggleButton>
-            <ToggleButton Classes="Large" IsThreeState="True">Large</ToggleButton>
-        </StackPanel>
-    </StackPanel>
-</UserControl>

demo/Semi.Avalonia.Demo/Pages/ToggleButtonDemo.axaml.cs

@@ -1,11 +0,0 @@
-using Avalonia.Controls;
-
-namespace Semi.Avalonia.Demo.Pages;
-
-public partial class ToggleButtonDemo : UserControl
-{
-    public ToggleButtonDemo()
-    {
-        InitializeComponent();
-    }
-}

demo/Semi.Avalonia.Demo/Pages/TreeDataGridDemo.axaml

@@ -1,126 +0,0 @@
-<UserControl xmlns="https://github.com/avaloniaui"
-             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-             xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
-             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
-             xmlns:vm="clr-namespace:Semi.Avalonia.Demo.ViewModels"
-             xmlns:converters="clr-namespace:Semi.Avalonia.Demo.Converters"
-             mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
-             x:Class="Semi.Avalonia.Demo.Pages.TreeDataGridDemo"
-             x:DataType="vm:TreeDataGridDemoViewModel">
-    <UserControl.Resources>
-        <converters:FileIconConverter x:Key="FileIconConverter">
-            <StaticResource x:Key="file" ResourceKey="SemiIconFile" />
-            <StaticResource x:Key="folderOpen" ResourceKey="SemiIconFolderOpen" />
-            <StaticResource x:Key="folderClosed" ResourceKey="SemiIconFolder" />
-        </converters:FileIconConverter>
-    </UserControl.Resources>
-    <TabControl>
-        <TabItem Header="Songs">
-            <TreeDataGrid
-                AutoDragDropRows="True"
-                DataContext="{Binding SongsContext}"
-                Source="{Binding Songs}">
-                <TreeDataGrid.Resources>
-                    <DataTemplate x:Key="AlbumCell" DataType="vm:SongViewModel">
-                        <TextBlock
-                            HorizontalAlignment="Stretch"
-                            VerticalAlignment="Center"
-                            Background="Transparent"
-                            Text="{Binding Album}" />
-                    </DataTemplate>
-                    <DataTemplate x:Key="AlbumEditCell" DataType="vm:SongViewModel">
-                        <ComboBox
-                            VerticalAlignment="Center"
-                            Classes="Small"
-                            ItemsSource="{x:Static vm:Song.Albums}"
-                            SelectedItem="{Binding Album}" />
-                    </DataTemplate>
-                    <DataTemplate x:Key="CommentsCell" DataType="vm:SongViewModel">
-                        <TextBlock VerticalAlignment="Center" Text="{Binding CountOfComment}" />
-                    </DataTemplate>
-                    <DataTemplate x:Key="CommentsEditCell" DataType="vm:SongViewModel">
-                        <NumericUpDown
-                            Width="100"
-                            HorizontalAlignment="Left"
-                            VerticalAlignment="Center"
-                            Classes="Small"
-                            Value="{Binding CountOfComment}" />
-                    </DataTemplate>
-                </TreeDataGrid.Resources>
-                <TreeDataGrid.Styles>
-                    <Style Selector="TreeDataGrid TreeDataGridRow:nth-last-child(2n)">
-                        <Setter Property="Background" Value="{DynamicResource SemiColorFill0}" />
-                    </Style>
-                </TreeDataGrid.Styles>
-            </TreeDataGrid>
-        </TabItem>
-        <TabItem Header="Files">
-            <Grid DataContext="{Binding FilesContext}" RowDefinitions="Auto, *">
-                <DockPanel Margin="0,4" DockPanel.Dock="Top">
-                    <ComboBox
-                        DockPanel.Dock="Left"
-                        ItemsSource="{Binding Drives}"
-                        SelectedItem="{Binding SelectedDrive}" />
-                    <TextBox
-                        Margin="4,0,0,0"
-                        VerticalContentAlignment="Center"
-                        KeyDown="SelectedPath_KeyDown"
-                        Text="{Binding SelectedPath, Mode=OneWay}" />
-                </DockPanel>
-                <TreeDataGrid
-                    Name="fileViewer"
-                    Grid.Row="1"
-                    Source="{Binding Source}">
-                    <TreeDataGrid.Resources>
-
-                        <!--  Template for Name column cells  -->
-                        <DataTemplate x:Key="FileNameCell" DataType="vm:FileNodeViewModel">
-                            <StackPanel Orientation="Horizontal">
-                                <PathIcon
-                                    Theme="{StaticResource InnerPathIcon}"
-                                    Margin="8,0">
-                                    <PathIcon.Data>
-                                        <MultiBinding Converter="{StaticResource FileIconConverter}">
-                                            <Binding Path="IsDirectory" />
-                                            <Binding Path="IsExpanded" />
-                                        </MultiBinding>
-                                    </PathIcon.Data>
-                                </PathIcon>
-                                <TextBlock VerticalAlignment="Center" Text="{Binding Name}" />
-                            </StackPanel>
-                        </DataTemplate>
-
-                        <!--  Edit template for Name column cells  -->
-                        <DataTemplate x:Key="FileNameEditCell" DataType="vm:FileNodeViewModel">
-                            <StackPanel Orientation="Horizontal">
-                                <Image Margin="0,0,4,0" VerticalAlignment="Center">
-                                    <Image.Source>
-                                        <MultiBinding Converter="{StaticResource FileIconConverter}">
-                                            <Binding Path="IsDirectory" />
-                                            <Binding Path="IsExpanded" />
-                                        </MultiBinding>
-                                    </Image.Source>
-                                </Image>
-                                <TextBox
-                                    VerticalAlignment="Center"
-                                    Classes="Small"
-                                    Text="{Binding Name}">
-                                    <TextBox.Styles>
-                                        <Style Selector="DataValidationErrors">
-                                            <Setter Property="Theme" Value="{DynamicResource TooltipDataValidationErrors}" />
-                                        </Style>
-                                    </TextBox.Styles>
-                                </TextBox>
-                            </StackPanel>
-                        </DataTemplate>
-                    </TreeDataGrid.Resources>
-                    <TreeDataGrid.Styles>
-                        <Style Selector="TreeDataGrid TreeDataGridRow:nth-child(2n)">
-                            <Setter Property="Background" Value="{DynamicResource SemiColorFill0}" />
-                        </Style>
-                    </TreeDataGrid.Styles>
-                </TreeDataGrid>
-            </Grid>
-        </TabItem>
-    </TabControl>
-</UserControl>

demo/Semi.Avalonia.Demo/Pages/TreeDataGridDemo.axaml.cs

@@ -1,22 +0,0 @@
-using Avalonia.Controls;
-using Avalonia.Input;
-using Semi.Avalonia.Demo.ViewModels;
-
-namespace Semi.Avalonia.Demo.Pages;
-
-public partial class TreeDataGridDemo : UserControl
-{
-    public TreeDataGridDemo()
-    {
-        InitializeComponent();
-        this.DataContext = new TreeDataGridDemoViewModel();
-    }
-
-    private void SelectedPath_KeyDown(object? sender, KeyEventArgs e)
-    {
-        if (e.Key == Key.Enter && DataContext is TreeDataGridDemoViewModel vm)
-        {
-            vm.FilesContext.SelectedPath = (sender as TextBox)?.Text;
-        }
-    }
-}

demo/Semi.Avalonia.Demo/Pages/VariablesDemo.axaml

@@ -1,104 +0,0 @@
-<UserControl xmlns="https://github.com/avaloniaui"
-             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-             xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
-             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
-             xmlns:vm="clr-namespace:Semi.Avalonia.Demo.ViewModels"
-             xmlns:pages="clr-namespace:Semi.Avalonia.Demo.Pages"
-             mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
-             x:Class="Semi.Avalonia.Demo.Pages.VariablesDemo"
-             x:DataType="vm:VariablesDemoViewModel">
-    <Design.DataContext>
-        <vm:VariablesDemoViewModel />
-    </Design.DataContext>
-    <Grid RowDefinitions="Auto, *">
-        <TextBox
-            Grid.Row="0"
-            Width="600"
-            Margin="8"
-            Classes="ClearButton"
-            Text="{Binding SearchText}"
-            Watermark="Input Variable Category/ResourceKey/Type/Value/Description" />
-
-        <DataGrid
-            Grid.Row="1"
-            Margin="8"
-            CanUserReorderColumns="True"
-            CanUserResizeColumns="True"
-            CanUserSortColumns="True"
-            HeadersVisibility="All"
-            IsReadOnly="True"
-            ItemsSource="{Binding GridData}">
-            <DataGrid.Columns>
-                <DataGridTemplateColumn
-                    Width="300"
-                    x:DataType="vm:VariableItem"
-                    Header="ResourceKey">
-                    <DataGridTemplateColumn.CellTemplate>
-                        <DataTemplate DataType="vm:VariableItem">
-                            <SelectableTextBlock
-                                Margin="12,0"
-                                VerticalAlignment="Center"
-                                Text="{Binding ResourceKey}" />
-                        </DataTemplate>
-                    </DataGridTemplateColumn.CellTemplate>
-                </DataGridTemplateColumn>
-                <DataGridTemplateColumn
-                    Width="200"
-                    x:DataType="vm:VariableItem"
-                    Header="Type">
-                    <DataGridTemplateColumn.CellTemplate>
-                        <DataTemplate DataType="vm:VariableItem">
-                            <SelectableTextBlock
-                                Margin="12,0"
-                                VerticalAlignment="Center"
-                                Text="{Binding Type.Name}" />
-                        </DataTemplate>
-                    </DataGridTemplateColumn.CellTemplate>
-                </DataGridTemplateColumn>
-                <DataGridTemplateColumn
-                    Width="200"
-                    x:DataType="vm:VariableItem"
-                    Header="Value">
-                    <DataGridTemplateColumn.CellTemplate>
-                        <DataTemplate DataType="vm:VariableItem">
-                            <SelectableTextBlock
-                                Margin="12,0"
-                                VerticalAlignment="Center"
-                                Text="{Binding Value}"
-                                TextWrapping="Wrap" />
-                        </DataTemplate>
-                    </DataGridTemplateColumn.CellTemplate>
-                </DataGridTemplateColumn>
-                <DataGridTemplateColumn
-                    Width="*"
-                    x:DataType="vm:VariableItem"
-                    Header="Description">
-                    <DataGridTemplateColumn.CellTemplate>
-                        <DataTemplate DataType="vm:VariableItem">
-                            <SelectableTextBlock
-                                Margin="12,0"
-                                VerticalAlignment="Center"
-                                Text="{Binding Description}"
-                                TextWrapping="Wrap" />
-                        </DataTemplate>
-                    </DataGridTemplateColumn.CellTemplate>
-                </DataGridTemplateColumn>
-                <DataGridTemplateColumn
-                    Width="100"
-                    x:DataType="vm:VariableItem"
-                    Header="CopyText"
-                    SortMemberPath="Duration">
-                    <DataGridTemplateColumn.CellTemplate>
-                        <DataTemplate DataType="vm:VariableItem">
-                            <Button
-                                Command="{Binding $parent[pages:VariablesDemo].Copy}"
-                                CommandParameter="{Binding CopyText}"
-                                Theme="{DynamicResource  IconBorderlessButton}"
-                                Content="{StaticResource SemiIconCopy}" />
-                        </DataTemplate>
-                    </DataGridTemplateColumn.CellTemplate>
-                </DataGridTemplateColumn>
-            </DataGrid.Columns>
-        </DataGrid>
-    </Grid>
-</UserControl>

demo/Semi.Avalonia.Demo/Pages/VariablesDemo.axaml.cs

@@ -1,24 +0,0 @@
-using System.Threading.Tasks;
-using Avalonia.Controls;
-using Semi.Avalonia.Demo.ViewModels;
-
-namespace Semi.Avalonia.Demo.Pages;
-
-public partial class VariablesDemo : UserControl
-{
-    public VariablesDemo()
-    {
-        InitializeComponent();
-        this.DataContext = new VariablesDemoViewModel();
-    }
-
-    public async Task Copy(object? o)
-    {
-        if (o is null) return;
-        var toplevel = TopLevel.GetTopLevel(this);
-        if (toplevel?.Clipboard is { } c)
-        {
-            await c.SetTextAsync(o.ToString());
-        }
-    }
-}

demo/Semi.Avalonia.Demo/Semi.Avalonia.Demo.csproj

@@ -11,22 +11,25 @@
     </ItemGroup>
 
     <ItemGroup>
-        <PackageReference Include="Avalonia" Version="$(AvaloniaVersion)"/>
-        <PackageReference Include="Avalonia.Controls.ColorPicker" Version="$(AvaloniaVersion)"/>
-        <PackageReference Include="Avalonia.Controls.DataGrid" Version="$(DataGridVersion)"/>
+        <PackageReference Include="Avalonia"/>
+        <PackageReference Include="Avalonia.Controls.ColorPicker"/>
+<!--        <PackageReference Include="Avalonia.Controls.DataGrid"/>-->
         <!--Condition below is needed to remove Avalonia.Diagnostics package from build output in Release configuration.-->
-        <PackageReference Include="Avalonia.Diagnostics" Version="$(AvaloniaVersion)">
+        <PackageReference Include="AvaloniaUI.DiagnosticsSupport">
             <IncludeAssets Condition="'$(Configuration)' != 'Debug'">None</IncludeAssets>
             <PrivateAssets Condition="'$(Configuration)' != 'Debug'">All</PrivateAssets>
         </PackageReference>
-        <PackageReference Include="CommunityToolkit.Mvvm" Version="$(CommunityToolkitVersion)"/>
-        <PackageReference Include="Irihi.Avalonia.Shared" Version="0.3.0" />
+        <PackageReference Include="CommunityToolkit.Mvvm"/>
     </ItemGroup>
 
     <ItemGroup>
         <ProjectReference Include="..\..\src\Semi.Avalonia\Semi.Avalonia.csproj"/>
         <ProjectReference Include="..\..\src\Semi.Avalonia.ColorPicker\Semi.Avalonia.ColorPicker.csproj"/>
-        <ProjectReference Include="..\..\src\Semi.Avalonia.DataGrid\Semi.Avalonia.DataGrid.csproj"/>
-        <ProjectReference Include="..\..\src\Semi.Avalonia.TreeDataGrid\Semi.Avalonia.TreeDataGrid.csproj"/>
+<!--        <ProjectReference Include="..\..\src\Semi.Avalonia.DataGrid\Semi.Avalonia.DataGrid.csproj"/>-->
+<!--        <ProjectReference Include="..\..\src\Semi.Avalonia.TreeDataGrid\Semi.Avalonia.TreeDataGrid.csproj"/>-->
+    </ItemGroup>
+
+    <ItemGroup>
+      <AvaloniaXaml Remove="Pages\VariablesDemo.axaml" />
     </ItemGroup>
 </Project>

demo/Semi.Avalonia.Demo/Themes/FunctionalColorGroupControl.axaml

@@ -1,152 +0,0 @@
-<ResourceDictionary
-    xmlns="https://github.com/avaloniaui"
-    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-    xmlns:controls="clr-namespace:Semi.Avalonia.Demo.Controls"
-    xmlns:viewModels="clr-namespace:Semi.Avalonia.Demo.ViewModels"
-    xmlns:pages="clr-namespace:Semi.Avalonia.Demo.Pages"
-    x:DataType="viewModels:FunctionalColorGroupViewModel">
-    <ControlTheme x:Key="{x:Type controls:FunctionalColorGroupControl}" TargetType="controls:FunctionalColorGroupControl">
-        <Setter Property="Template">
-            <ControlTemplate TargetType="controls:FunctionalColorGroupControl">
-                <Grid RowDefinitions="Auto, *">
-                    <SelectableTextBlock
-                        Grid.Row="0"
-                        Margin="0,16,0,0"
-                        Classes="H3"
-                        Text="{TemplateBinding Title}"
-                        Theme="{DynamicResource TitleSelectableTextBlock}" />
-                    <TabControl Grid.Row="1">
-                        <TabItem Header="Light">
-                            <DataGrid IsReadOnly="True" ItemsSource="{TemplateBinding LightColors}">
-                                <DataGrid.Columns>
-                                    <DataGridTemplateColumn Width="70" Header="Color">
-                                        <DataGridTemplateColumn.CellTemplate>
-                                            <DataTemplate DataType="viewModels:ColorItemViewModel">
-                                                <controls:ColorItemControl
-                                                    Width="40"
-                                                    Height="20"
-                                                    Background="{Binding Brush}"
-                                                    CornerRadius="3" />
-                                            </DataTemplate>
-                                        </DataGridTemplateColumn.CellTemplate>
-                                    </DataGridTemplateColumn>
-                                    <DataGridTemplateColumn Width="300" Header="ResourceKey">
-                                        <DataGridTemplateColumn.CellTemplate>
-                                            <DataTemplate DataType="viewModels:ColorItemViewModel">
-                                                <SelectableTextBlock
-                                                    Margin="12,0"
-                                                    VerticalAlignment="Center"
-                                                    Text="{Binding ResourceKey}" />
-                                            </DataTemplate>
-                                        </DataGridTemplateColumn.CellTemplate>
-                                    </DataGridTemplateColumn>
-                                    <DataGridTemplateColumn Width="100" Header="Hex">
-                                        <DataGridTemplateColumn.CellTemplate>
-                                            <DataTemplate DataType="viewModels:ColorItemViewModel">
-                                                <SelectableTextBlock
-                                                    Margin="12,0"
-                                                    VerticalAlignment="Center"
-                                                    Text="{Binding Hex}" />
-                                            </DataTemplate>
-                                        </DataGridTemplateColumn.CellTemplate>
-                                    </DataGridTemplateColumn>
-                                    <DataGridTemplateColumn Width="80" Header="Opacity">
-                                        <DataGridTemplateColumn.CellTemplate>
-                                            <DataTemplate DataType="viewModels:ColorItemViewModel">
-                                                <SelectableTextBlock
-                                                    Margin="12,0"
-                                                    VerticalAlignment="Center"
-                                                    Text="{Binding Brush.Opacity}" />
-                                            </DataTemplate>
-                                        </DataGridTemplateColumn.CellTemplate>
-                                    </DataGridTemplateColumn>
-                                    <DataGridTextColumn
-                                        Width="*"
-                                        x:DataType="viewModels:ColorItemViewModel"
-                                        Binding="{Binding ColorDisplayName}"
-                                        CanUserSort="False"
-                                        Header="Description" />
-                                    <DataGridTemplateColumn Width="100" Header="CopyText">
-                                        <DataGridTemplateColumn.CellTemplate>
-                                            <DataTemplate DataType="viewModels:ColorItemViewModel">
-                                                <Button
-                                                    Command="{Binding $parent[pages:PaletteDemo].Copy}"
-                                                    CommandParameter="{Binding CopyText}"
-                                                    Theme="{DynamicResource  IconBorderlessButton}"
-                                                    Content="{StaticResource SemiIconCopy}" />
-                                            </DataTemplate>
-                                        </DataGridTemplateColumn.CellTemplate>
-                                    </DataGridTemplateColumn>
-                                </DataGrid.Columns>
-                            </DataGrid>
-                        </TabItem>
-                        <TabItem Header="Dark">
-                            <DataGrid IsReadOnly="True" ItemsSource="{TemplateBinding DarkColors}">
-                                <DataGrid.Columns>
-                                    <DataGridTemplateColumn Width="70" Header="Color">
-                                        <DataGridTemplateColumn.CellTemplate>
-                                            <DataTemplate DataType="viewModels:ColorItemViewModel">
-                                                <controls:ColorItemControl
-                                                    Width="40"
-                                                    Height="20"
-                                                    Background="{Binding Brush}"
-                                                    CornerRadius="3" />
-                                            </DataTemplate>
-                                        </DataGridTemplateColumn.CellTemplate>
-                                    </DataGridTemplateColumn>
-                                    <DataGridTemplateColumn Width="300" Header="ResourceKey">
-                                        <DataGridTemplateColumn.CellTemplate>
-                                            <DataTemplate DataType="viewModels:ColorItemViewModel">
-                                                <SelectableTextBlock
-                                                    Margin="12,0"
-                                                    VerticalAlignment="Center"
-                                                    Text="{Binding ResourceKey}" />
-                                            </DataTemplate>
-                                        </DataGridTemplateColumn.CellTemplate>
-                                    </DataGridTemplateColumn>
-                                    <DataGridTemplateColumn Width="100" Header="Hex">
-                                        <DataGridTemplateColumn.CellTemplate>
-                                            <DataTemplate DataType="viewModels:ColorItemViewModel">
-                                                <SelectableTextBlock
-                                                    Margin="12,0"
-                                                    VerticalAlignment="Center"
-                                                    Text="{Binding Hex}" />
-                                            </DataTemplate>
-                                        </DataGridTemplateColumn.CellTemplate>
-                                    </DataGridTemplateColumn>
-                                    <DataGridTemplateColumn Width="80" Header="Opacity">
-                                        <DataGridTemplateColumn.CellTemplate>
-                                            <DataTemplate DataType="viewModels:ColorItemViewModel">
-                                                <SelectableTextBlock
-                                                    Margin="12,0"
-                                                    VerticalAlignment="Center"
-                                                    Text="{Binding Brush.Opacity}" />
-                                            </DataTemplate>
-                                        </DataGridTemplateColumn.CellTemplate>
-                                    </DataGridTemplateColumn>
-                                    <DataGridTextColumn
-                                        Width="*"
-                                        x:DataType="viewModels:ColorItemViewModel"
-                                        Binding="{Binding ColorDisplayName}"
-                                        CanUserSort="False"
-                                        Header="Description" />
-                                    <DataGridTemplateColumn Width="100" Header="CopyText">
-                                        <DataGridTemplateColumn.CellTemplate>
-                                            <DataTemplate DataType="viewModels:ColorItemViewModel">
-                                                <Button
-                                                    Command="{Binding $parent[pages:PaletteDemo].Copy}"
-                                                    CommandParameter="{Binding CopyText}"
-                                                    Theme="{DynamicResource  IconBorderlessButton}"
-                                                    Content="{StaticResource SemiIconCopy}" />
-                                            </DataTemplate>
-                                        </DataGridTemplateColumn.CellTemplate>
-                                    </DataGridTemplateColumn>
-                                </DataGrid.Columns>
-                            </DataGrid>
-                        </TabItem>
-                    </TabControl>
-                </Grid>
-            </ControlTemplate>
-        </Setter>
-    </ControlTheme>
-</ResourceDictionary>

demo/Semi.Avalonia.Demo/Themes/ShadowGroupControl.axaml

@@ -1,110 +0,0 @@
-<ResourceDictionary
-    xmlns="https://github.com/avaloniaui"
-    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-    xmlns:controls="clr-namespace:Semi.Avalonia.Demo.Controls"
-    xmlns:viewModels="clr-namespace:Semi.Avalonia.Demo.ViewModels"
-    xmlns:pages="clr-namespace:Semi.Avalonia.Demo.Pages"
-    x:DataType="viewModels:ShadowGroupViewModel">
-    <ControlTheme x:Key="{x:Type controls:ShadowGroupControl}" TargetType="controls:ShadowGroupControl">
-        <Setter Property="Template">
-            <ControlTemplate TargetType="controls:ShadowGroupControl">
-                <Grid RowDefinitions="Auto, *">
-                    <SelectableTextBlock
-                        Grid.Row="0"
-                        Margin="0,16,0,0"
-                        Classes="H3"
-                        Text="{TemplateBinding Title}"
-                        Theme="{DynamicResource TitleSelectableTextBlock}" />
-                    <TabControl Grid.Row="1">
-                        <TabItem Header="Light">
-                            <DataGrid IsReadOnly="True" ItemsSource="{TemplateBinding LightShadows}">
-                                <DataGrid.Columns>
-                                    <DataGridTemplateColumn Width="300" Header="ResourceKey">
-                                        <DataGridTemplateColumn.CellTemplate>
-                                            <DataTemplate DataType="viewModels:ShadowItemViewModel">
-                                                <SelectableTextBlock
-                                                    Margin="12,0"
-                                                    VerticalAlignment="Center"
-                                                    Text="{Binding ResourceKey}" />
-                                            </DataTemplate>
-                                        </DataGridTemplateColumn.CellTemplate>
-                                    </DataGridTemplateColumn>
-                                    <DataGridTemplateColumn Width="300" Header="BoxShadows">
-                                        <DataGridTemplateColumn.CellTemplate>
-                                            <DataTemplate DataType="viewModels:ShadowItemViewModel">
-                                                <SelectableTextBlock
-                                                    Margin="12,0"
-                                                    VerticalAlignment="Center"
-                                                    Text="{Binding BoxShadowValue}" />
-                                            </DataTemplate>
-                                        </DataGridTemplateColumn.CellTemplate>
-                                    </DataGridTemplateColumn>
-                                    <DataGridTextColumn
-                                        Width="*"
-                                        x:DataType="viewModels:ShadowItemViewModel"
-                                        Binding="{Binding ShadowDisplayName}"
-                                        CanUserSort="False"
-                                        Header="Description" />
-                                    <DataGridTemplateColumn Width="100" Header="CopyText">
-                                        <DataGridTemplateColumn.CellTemplate>
-                                            <DataTemplate DataType="viewModels:ShadowItemViewModel">
-                                                <Button
-                                                    Command="{Binding $parent[pages:PaletteDemo].Copy}"
-                                                    CommandParameter="{Binding CopyText}"
-                                                    Theme="{DynamicResource  IconBorderlessButton}"
-                                                    Content="{StaticResource SemiIconCopy}" />
-                                            </DataTemplate>
-                                        </DataGridTemplateColumn.CellTemplate>
-                                    </DataGridTemplateColumn>
-                                </DataGrid.Columns>
-                            </DataGrid>
-                        </TabItem>
-                        <TabItem Header="Dark">
-                            <DataGrid IsReadOnly="True" ItemsSource="{TemplateBinding DarkShadows}">
-                                <DataGrid.Columns>
-                                    <DataGridTemplateColumn Width="300" Header="ResourceKey">
-                                        <DataGridTemplateColumn.CellTemplate>
-                                            <DataTemplate DataType="viewModels:ShadowItemViewModel">
-                                                <SelectableTextBlock
-                                                    Margin="12,0"
-                                                    VerticalAlignment="Center"
-                                                    Text="{Binding ResourceKey}" />
-                                            </DataTemplate>
-                                        </DataGridTemplateColumn.CellTemplate>
-                                    </DataGridTemplateColumn>
-                                    <DataGridTemplateColumn Width="300" Header="BoxShadows">
-                                        <DataGridTemplateColumn.CellTemplate>
-                                            <DataTemplate DataType="viewModels:ShadowItemViewModel">
-                                                <SelectableTextBlock
-                                                    Margin="12,0"
-                                                    VerticalAlignment="Center"
-                                                    Text="{Binding BoxShadowValue}" />
-                                            </DataTemplate>
-                                        </DataGridTemplateColumn.CellTemplate>
-                                    </DataGridTemplateColumn>
-                                    <DataGridTextColumn
-                                        Width="*"
-                                        x:DataType="viewModels:ShadowItemViewModel"
-                                        Binding="{Binding ShadowDisplayName}"
-                                        CanUserSort="False"
-                                        Header="Description" />
-                                    <DataGridTemplateColumn Width="100" Header="CopyText">
-                                        <DataGridTemplateColumn.CellTemplate>
-                                            <DataTemplate DataType="viewModels:ShadowItemViewModel">
-                                                <Button
-                                                    Command="{Binding $parent[pages:PaletteDemo].Copy}"
-                                                    CommandParameter="{Binding CopyText}"
-                                                    Theme="{DynamicResource  IconBorderlessButton}"
-                                                    Content="{StaticResource SemiIconCopy}" />
-                                            </DataTemplate>
-                                        </DataGridTemplateColumn.CellTemplate>
-                                    </DataGridTemplateColumn>
-                                </DataGrid.Columns>
-                            </DataGrid>
-                        </TabItem>
-                    </TabControl>
-                </Grid>
-            </ControlTemplate>
-        </Setter>
-    </ControlTheme>
-</ResourceDictionary>

demo/Semi.Avalonia.Demo/Themes/_index.axaml

@@ -2,8 +2,6 @@
     <ResourceDictionary.MergedDictionaries>
         <ResourceInclude Source="ColorDetailControl.axaml" />
         <ResourceInclude Source="ColorItemControl.axaml" />
-        <ResourceInclude Source="FunctionalColorGroupControl.axaml" />
-        <ResourceInclude Source="ShadowGroupControl.axaml" />
         <ResourceInclude Source="ToggleSwitch.axaml" />
     </ResourceDictionary.MergedDictionaries>
 </ResourceDictionary>

demo/Semi.Avalonia.Demo/ViewModels/DataGridDemoViewModel.cs

@@ -1,154 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Collections.ObjectModel;
-using System.Linq;
-using Avalonia.Collections;
-using CommunityToolkit.Mvvm.ComponentModel;
-using CommunityToolkit.Mvvm.Input;
-
-namespace Semi.Avalonia.Demo.ViewModels;
-
-public class DataGridDemoViewModel : ObservableObject
-{
-    public ObservableCollection<Song> GridData1 { get; set; }
-
-    public DataGridCollectionView GridData2 { get; set; }
-
-    public ObservableCollection<SongViewModel> GridData3 { get; set; }
-
-    public RelayCommand AddCommand { get; set; }
-
-    public DataGridDemoViewModel()
-    {
-        GridData1 = new ObservableCollection<Song>(Song.Songs);
-        GridData2 = new DataGridCollectionView(Song.Songs);
-        GridData2.GroupDescriptions.Add(new DataGridPathGroupDescription("Album"));
-        GridData3 = new ObservableCollection<SongViewModel>(Song.Songs.Take(10).Select(a => new SongViewModel()
-        {
-            Title = a.Title,
-            Artist = a.Artist,
-            Album = a.Album,
-            CountOfComment = a.CountOfComment,
-            IsSelected = false
-        }));
-        AddCommand = new RelayCommand(Add);
-    }
-
-    private void Add()
-    {
-        GridData3.Add(new SongViewModel());
-    }
-}
-
-public class Song
-{
-    public string? Title { get; set; }
-    public string? Artist { get; set; }
-    public TimeSpan? Duration { get; set; }
-    public string? Album { get; set; }
-    public int CountOfComment { get; set; }
-    public string Url { get; set; }
-
-    public Song(string title, string artist, int m, int s, string album, int countOfComment, int netEaseId)
-    {
-        Title = title;
-        Artist = artist;
-        Duration = new TimeSpan(0, m, s);
-        Album = album;
-        CountOfComment = countOfComment;
-        Url = $"https://music.163.com/song?id={netEaseId}";
-    }
-
-    public static List<string> Albums =>
-    [
-        "A.S.I.A",
-        "饕餮人间",
-        "七步咙咚呛",
-        "大惊小怪",
-        "The ONE",
-        "以梦为马 (壮志骄阳版)",
-        "emo了",
-        "一眼万年",
-        "冲刺吧",
-        "爱的赏味期限",
-        "COSMIC ANTHEM / 手紙",
-        "世界晚安",
-        "明年也要好好长大",
-        "320万年前",
-        "W.O.R.L.D."
-    ];
-
-    public static List<Song> Songs =>
-    [
-        new("好肚有肚(feat.李玲玉)", "熊猫堂ProducePandas", 2, 50, "A.S.I.A", 730, 1487039339),
-        new("荒诞秀", "熊猫堂ProducePandas", 3, 15, "A.S.I.A", 639, 1487037601),
-        new("长大", "熊猫堂ProducePandas", 4, 6, "A.S.I.A", 1114, 1487037690),
-        new("招财猫(feat.纪粹希(G-Tracy))", "熊猫堂ProducePandas", 3, 37, "A.S.I.A", 361, 1487039632),
-        new("千转", "熊猫堂ProducePandas", 4, 0, "A.S.I.A", 1115, 1477312398),
-        new("辣辣辣", "熊猫堂ProducePandas", 3, 24, "A.S.I.A", 1873, 1465043716),
-        new("碎碎念", "熊猫堂ProducePandas", 3, 25, "A.S.I.A", 676, 1474142064),
-        new("盘他", "熊猫堂ProducePandas", 2, 16, "A.S.I.A", 365, 1481652786),
-        new("Na Na Na", "熊猫堂ProducePandas", 3, 26, "A.S.I.A", 312, 1469022662),
-        new("Indigo", "熊猫堂ProducePandas", 3, 15, "A.S.I.A", 137, 1487039517),
-        new("饕餮人间", "熊猫堂ProducePandas", 3, 20, "饕餮人间", 1295, 1499584605),
-        new("七步咙咚呛", "熊猫堂ProducePandas", 3, 10, "七步咙咚呛", 175, 1809095152),
-        new("大惊小怪", "熊猫堂ProducePandas", 3, 32, "大惊小怪", 10420, 1847477425),
-        new("工具人", "熊猫堂ProducePandas", 2, 46, "大惊小怪", 1135, 1847476499),
-        new("以梦为马", "熊猫堂ProducePandas", 4, 19, "大惊小怪", 18361, 1836034373),
-        new("以梦为马(Piano Version)", "熊猫堂ProducePandas", 3, 4, "大惊小怪", 570, 1847477423),
-        new("The ONE", "熊猫堂ProducePandas", 2, 58, "The ONE", 1508, 1864329424),
-        new("The ONE(日文版)", "熊猫堂ProducePandas", 2, 57, "The ONE", 385, 1864329429),
-        new("以梦为马 (壮志骄阳版)", "熊猫堂ProducePandas", 4, 19, "以梦为马 (壮志骄阳版)", 161, 1865138896),
-        new("New Horse", "熊猫堂ProducePandas", 2, 30, "emo了", 643, 1887021307),
-        new("不例外", "熊猫堂ProducePandas", 3, 31, "emo了", 1818, 1887022665),
-        new("满意", "熊猫堂ProducePandas", 4, 32, "emo了", 1081, 1882433472),
-        new("就算与全世界为敌也要跟你在一起", "熊猫堂ProducePandas", 3, 32, "emo了", 2119, 1881759960),
-        new("The ONE", "熊猫堂ProducePandas", 2, 58, "emo了", 67, 1887022648),
-        new("口香糖", "熊猫堂ProducePandas", 3, 10, "emo了", 2181, 1885502254),
-        new("Suuuuuuper Mario", "熊猫堂ProducePandas", 3, 32, "emo了", 1010, 1887021318),
-        new("饕餮人间", "熊猫堂ProducePandas", 3, 22, "emo了", 109, 1887021320),
-        new("以梦为马 (壮志骄阳版)", "熊猫堂ProducePandas", 4, 21, "emo了", 34, 1887022666),
-        new("The ONE(日文版)", "熊猫堂ProducePandas", 2, 57, "emo了", 27, 1887022646),
-        new("满意(DJheap九天版)", "熊猫堂ProducePandas", 4, 31, "emo了", 31, 1901605941),
-        new("一眼万年", "熊猫堂ProducePandas", 3, 54, "一眼万年", 20, 1922599361),
-        new("冲刺", "熊猫堂ProducePandas", 3, 49, "冲刺吧", 1006, 1932878194),
-        new("滴答滴", "熊猫堂ProducePandas", 2, 30, "爱的赏味期限", 86, 1957515790),
-        new("热带季风", "熊猫堂ProducePandas", 2, 45, "爱的赏味期限", 212, 1957514964),
-        new("渣", "熊猫堂ProducePandas", 3, 28, "爱的赏味期限", 22, 1957514965),
-        new("独特", "熊猫堂ProducePandas", 3, 33, "爱的赏味期限", 62, 1957514966),
-        new("雨后", "熊猫堂ProducePandas", 4, 15, "爱的赏味期限", 23, 1957514967),
-        new("然后然后", "熊猫堂ProducePandas", 3, 50, "爱的赏味期限", 108, 1957514968),
-        new("丢", "熊猫堂ProducePandas", 3, 26, "爱的赏味期限", 30, 1957515792),
-        new("热带疾风(FACEVOID桃心连哥 Remix)", "熊猫堂ProducePandas", 3, 23, "爱的赏味期限", 55, 1957515793),
-        new("COSMIC ANTHEM -Japanese Ver.-", "熊猫堂ProducePandas", 3, 11, "COSMIC ANTHEM / 手紙", 0, 1977171493),
-        new("手紙 (「長大-You Raise Me Up-」-Japanese Ver.-)", "熊猫堂ProducePandas", 4, 11, "COSMIC ANTHEM / 手紙", 0,
-            1977171494),
-        new("COSMIC ANTHEM -Chinese Ver.-", "熊猫堂ProducePandas", 3, 31, "COSMIC ANTHEM / 手紙", 0, 1977172202),
-        new("世界晚安", "熊猫堂ProducePandas", 2, 59, "世界晚安", 652, 1985063377),
-        new("世界晚安(泰文版)", "熊猫堂ProducePandas", 2, 59, "世界晚安", 134, 1987842504),
-        new("世界晚安(钢琴版)", "熊猫堂ProducePandas", 3, 2, "世界晚安", 76, 1990475933),
-        new("世界晚安(泰文钢琴版)", "熊猫堂ProducePandas", 3, 2, "世界晚安", 29, 1990475934),
-        new("世界晚安(DJ沈念版)", "熊猫堂ProducePandas", 3, 9, "世界晚安", 34, 2014263184),
-        new("世界晚安(钢琴配乐)", "熊猫堂ProducePandas", 2, 59, "世界晚安", 11, 2014263185),
-        new("明年也要好好长大", "熊猫堂ProducePandas", 3, 12, "明年也要好好长大", 0, 2010515162),
-        new("320万年前（DJ沈念版）", "熊猫堂ProducePandas", 3, 21, "320万年前", 8, 2055888636),
-        new("320万年前", "熊猫堂ProducePandas", 3, 7, "W.O.R.L.D.", 329, 2049770469),
-        new("隐德来希", "熊猫堂ProducePandas", 3, 3, "W.O.R.L.D.", 594, 2061317924),
-        new("孔明", "熊猫堂ProducePandas", 3, 59, "W.O.R.L.D.", 91, 2063175274),
-        new("锦鲤卟噜噜", "熊猫堂ProducePandas", 3, 5, "W.O.R.L.D.", 67, 2059208262),
-        new("指鹿为马", "熊猫堂ProducePandas", 3, 12, "W.O.R.L.D.", 74, 2063175272),
-        new("热带季风Remix", "熊猫堂ProducePandas", 3, 22, "W.O.R.L.D.", 23, 2063173319),
-        new("加州梦境", "熊猫堂ProducePandas", 2, 56, "W.O.R.L.D.", 1662, 2063173324),
-        new("渐近自由", "熊猫堂ProducePandas", 4, 19, "W.O.R.L.D.", 124, 2063173321),
-        new("世界所有的烂漫", "熊猫堂ProducePandas", 3, 30, "W.O.R.L.D.", 335, 2053388775)
-    ];
-}
-
-public partial class SongViewModel : ObservableObject
-{
-    [ObservableProperty] private string? _title;
-    [ObservableProperty] private string? _artist;
-    [ObservableProperty] private string? _album;
-    [ObservableProperty] private int _countOfComment;
-    [ObservableProperty] private bool? _isSelected;
-}

demo/Semi.Avalonia.Demo/ViewModels/IconDemoViewModel.cs

@@ -12,13 +12,16 @@ public partial class IconDemoViewModel : ObservableObject
 {
     private readonly Icons _resources = new();
 
-    private readonly Dictionary<string, IconItem> _filledIcons = new();
+    private readonly Dictionary<string, IconItem> _fillIcons = new();
     private readonly Dictionary<string, IconItem> _strokedIcons = new();
+    private readonly Dictionary<string, IconItem> _aiIcons = new();
 
     [ObservableProperty] private string? _searchText;
 
-    public ObservableCollection<IconItem> FilteredFilledIcons { get; set; } = [];
+    public ObservableCollection<IconTab> IconTabs { get; } = [];
+    public ObservableCollection<IconItem> FilteredFillIcons { get; set; } = [];
     public ObservableCollection<IconItem> FilteredStrokedIcons { get; set; } = [];
+    public ObservableCollection<IconItem> FilteredAIIcons { get; set; } = [];
 
     public void InitializeResources()
     {
@@ -36,24 +39,31 @@ public partial class IconDemoViewModel : ObservableObject
                     Geometry = geometry
                 };
 
-                if (resourceKey.EndsWith("Stroked", StringComparison.InvariantCultureIgnoreCase))
+                if (resourceKey.StartsWith("SemiIconAI"))
+                    _aiIcons[resourceKey] = icon;
+                else if (resourceKey.EndsWith("Stroked", StringComparison.InvariantCultureIgnoreCase))
                     _strokedIcons[resourceKey] = icon;
                 else
-                    _filledIcons[resourceKey] = icon;
+                    _fillIcons[resourceKey] = icon;
             }
         }
 
         OnSearchTextChanged(string.Empty);
+
+        IconTabs.Clear();
+        IconTabs.Add(new IconTab("Fill Icons", FilteredFillIcons));
+        IconTabs.Add(new IconTab("Stroked Icons", FilteredStrokedIcons));
+        IconTabs.Add(new IconTab("AI Icons", FilteredAIIcons));
     }
 
     partial void OnSearchTextChanged(string? value)
     {
         var search = string.IsNullOrWhiteSpace(value) ? string.Empty : value.Trim();
 
-        FilteredFilledIcons.Clear();
-        foreach (var pair in _filledIcons.Where(kv => kv.Key.Contains(search, StringComparison.InvariantCultureIgnoreCase)))
+        FilteredFillIcons.Clear();
+        foreach (var pair in _fillIcons.Where(kv => kv.Key.Contains(search, StringComparison.InvariantCultureIgnoreCase)))
         {
-            FilteredFilledIcons.Add(pair.Value);
+            FilteredFillIcons.Add(pair.Value);
         }
 
         FilteredStrokedIcons.Clear();
@@ -61,9 +71,21 @@ public partial class IconDemoViewModel : ObservableObject
         {
             FilteredStrokedIcons.Add(pair.Value);
         }
+
+        FilteredAIIcons.Clear();
+        foreach (var pair in _aiIcons.Where(kv => kv.Key.Contains(search, StringComparison.InvariantCultureIgnoreCase)))
+        {
+            FilteredAIIcons.Add(pair.Value);
+        }
     }
 }
 
+public class IconTab(string header, ObservableCollection<IconItem> iconItems)
+{
+    public string Header { get; set; } = header;
+    public ObservableCollection<IconItem> IconItems { get; set; } = iconItems;
+}
+
 public class IconItem
 {
     public string? ResourceKey { get; set; }

demo/Semi.Avalonia.Demo/ViewModels/PaletteDemoViewModel.cs

@@ -19,7 +19,7 @@ public partial class PaletteDemoViewModel : ObservableObject
         "Red", "Pink", "Purple", "Violet", "Indigo",
         "Blue", "LightBlue", "Cyan", "Teal", "Green",
         "LightGreen", "Lime", "Yellow", "Amber", "Orange",
-        "Grey"
+        "Grey", "AIPurple"
     ];
 
     private readonly IResourceDictionary? _lightResourceDictionary;
@@ -61,6 +61,38 @@ public partial class PaletteDemoViewModel : ObservableObject
             s.Initialize(_darkResourceDictionary, color, false);
             DarkLists.Add(s);
         }
+        
+        InitializeAIGeneralGradients();
+    }
+
+    private void InitializeAIGeneralGradients()
+    {
+        if (_lightResourceDictionary is null || _darkResourceDictionary is null) return;
+
+        ColorListViewModel lightGradients = new ColorListViewModel { SeriesName = "AI General" };
+        ColorListViewModel darkGradients = new ColorListViewModel { SeriesName = "AI General" };
+
+        for (var i = 0; i < 10; i++)
+        {
+            var key = $"SemiAIGeneral{i}";
+            
+            if (_lightResourceDictionary.TryGetValue(key, out var lightValue) && lightValue is IBrush lightBrush)
+            {
+                var name = $"AI General {i}";
+                var item = new ColorItemViewModel(name, lightBrush, key, true, i);
+                lightGradients.Color.Add(item);
+            }
+
+            if (_darkResourceDictionary.TryGetValue(key, out var darkValue) && darkValue is IBrush darkBrush)
+            {
+                var name = $"AI General {i}";
+                var item = new ColorItemViewModel(name, darkBrush, key, false, i);
+                darkGradients.Color.Add(item);
+            }
+        }
+        
+        LightLists.Add(lightGradients);
+        DarkLists.Add(darkGradients);
     }
 
     private void InitializeFunctionalColors()
@@ -79,6 +111,12 @@ public partial class PaletteDemoViewModel : ObservableObject
             "Warning", _lightResourceDictionary, _darkResourceDictionary, ColorTokens.WarningTokens));
         FunctionalColors.Add(new FunctionalColorGroupViewModel(
             "Danger", _lightResourceDictionary, _darkResourceDictionary, ColorTokens.DangerTokens));
+        FunctionalColors.Add(new FunctionalColorGroupViewModel(
+            "AI General", _lightResourceDictionary, _darkResourceDictionary, ColorTokens.AIGeneralTokens));
+        FunctionalColors.Add(new FunctionalColorGroupViewModel(
+            "AI Purple", _lightResourceDictionary, _darkResourceDictionary, ColorTokens.AIPurpleTokens));
+        FunctionalColors.Add(new FunctionalColorGroupViewModel(
+            "AI Background", _lightResourceDictionary, _darkResourceDictionary, ColorTokens.AIBackgroundTokens));
         FunctionalColors.Add(new FunctionalColorGroupViewModel(
             "Text", _lightResourceDictionary, _darkResourceDictionary, ColorTokens.TextTokens));
         FunctionalColors.Add(new FunctionalColorGroupViewModel(
@@ -142,14 +180,24 @@ public partial class ColorItemViewModel : ObservableObject
          <StaticResource x:Key="" ResourceKey="{ResourceKey}" />
          """;
 
-    public ColorItemViewModel(string colorDisplayName, ISolidColorBrush brush, string resourceKey, bool light,
+    public ColorItemViewModel(string colorDisplayName, IBrush brush, string resourceKey, bool light,
         int index)
     {
         ColorDisplayName = colorDisplayName;
         Brush = brush;
         ResourceKey = resourceKey;
-        var hex = ColorConverter.ToHex.Convert(brush.Color, typeof(string), false, CultureInfo.InvariantCulture);
-        Hex = hex as string ?? string.Empty;
+        
+        // Only calculate hex for solid color brushes
+        if (brush is ISolidColorBrush solidBrush)
+        {
+            var hex = ColorConverter.ToHex.Convert(solidBrush.Color, typeof(string), false, CultureInfo.InvariantCulture);
+            Hex = hex as string ?? string.Empty;
+        }
+        else
+        {
+            Hex = string.Empty;
+        }
+        
         if ((light && index < 5) || (!light && index >= 5))
         {
             TextBrush = Brushes.Black;
@@ -175,7 +223,7 @@ public partial class FunctionalColorGroupViewModel : ObservableObject
         {
             if (lightDictionary?.TryGetValue(key, out var lightValue) ?? false)
             {
-                if (lightValue is ISolidColorBrush lightBrush)
+                if (lightValue is IBrush lightBrush)
                 {
                     LightColors.Add(new ColorItemViewModel(name, lightBrush, key, true, 0));
                 }
@@ -183,7 +231,7 @@ public partial class FunctionalColorGroupViewModel : ObservableObject
 
             if (darkDictionary?.TryGetValue(key, out var darkValue) ?? false)
             {
-                if (darkValue is ISolidColorBrush darkBrush)
+                if (darkValue is IBrush darkBrush)
                 {
                     DarkColors.Add(new ColorItemViewModel(name, darkBrush, key, true, 0));
                 }

demo/Semi.Avalonia.Demo/ViewModels/TreeDataGridDemo/FilesPageViewModel.cs

@@ -1,363 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Collections.ObjectModel;
-using System.ComponentModel;
-using System.Diagnostics;
-using System.IO;
-using System.Linq;
-using System.Runtime.InteropServices;
-using Avalonia.Controls;
-using Avalonia.Controls.Models.TreeDataGrid;
-using Avalonia.Controls.Selection;
-using Avalonia.Threading;
-using CommunityToolkit.Mvvm.ComponentModel;
-
-namespace Semi.Avalonia.Demo.ViewModels;
-
-public partial class FilesPageViewModel : ObservableObject
-{
-    public IList<string> Drives { get; }
-    public HierarchicalTreeDataGridSource<FileNodeViewModel> Source { get; }
-    [ObservableProperty] private string _selectedDrive;
-    private string? _selectedPath;
-    [ObservableProperty] private FileNodeViewModel? _root;
-
-    public string? SelectedPath
-    {
-        get => _selectedPath;
-        set => SetSelectedPath(value);
-    }
-
-    partial void OnSelectedDriveChanged(string value)
-    {
-        Root = new FileNodeViewModel(value, true, true);
-        if (Source is not null)
-        {
-            Source.Items = [Root];
-        }
-    }
-
-    public FilesPageViewModel()
-    {
-        Drives = DriveInfo.GetDrives().Select(x => x.Name).ToList();
-        if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
-        {
-            SelectedDrive = @"C:\";
-        }
-        else
-        {
-            SelectedDrive = Drives.FirstOrDefault() ?? "/";
-        }
-
-        Source = new HierarchicalTreeDataGridSource<FileNodeViewModel>([])
-        {
-            Columns =
-            {
-                new CheckBoxColumn<FileNodeViewModel>(
-                    null,
-                    x => x.IsChecked,
-                    (o, v) => o.IsChecked = v,
-                    options: new CheckBoxColumnOptions<FileNodeViewModel>
-                    {
-                        CanUserResizeColumn = false,
-                    }),
-                new HierarchicalExpanderColumn<FileNodeViewModel>(
-                    new TemplateColumn<FileNodeViewModel>(
-                        "Name",
-                        "FileNameCell",
-                        "FileNameEditCell",
-                        new GridLength(1, GridUnitType.Star),
-                        new TemplateColumnOptions<FileNodeViewModel>
-                        {
-                            CompareAscending = FileNodeViewModel.SortAscending(vm => vm.Name),
-                            CompareDescending = FileNodeViewModel.SortDescending(vm => vm.Name),
-                            IsTextSearchEnabled = true,
-                            TextSearchValueSelector = vm => vm.Name
-                        }),
-                    vm => vm.Children,
-                    vm => vm.HasChildren,
-                    vm => vm.IsExpanded),
-                new TextColumn<FileNodeViewModel, long?>(
-                    "Size",
-                    vm => vm.Size,
-                    options: new TextColumnOptions<FileNodeViewModel>
-                    {
-                        CompareAscending = FileNodeViewModel.SortAscending(x => x.Size),
-                        CompareDescending = FileNodeViewModel.SortDescending(x => x.Size),
-                    }),
-                new TextColumn<FileNodeViewModel, DateTimeOffset?>(
-                    "Modified",
-                    x => x.Modified,
-                    options: new TextColumnOptions<FileNodeViewModel>
-                    {
-                        CompareAscending = FileNodeViewModel.SortAscending(x => x.Modified),
-                        CompareDescending = FileNodeViewModel.SortDescending(x => x.Modified),
-                    }),
-            }
-        };
-        Source.RowSelection!.SingleSelect = false;
-        Source.RowSelection.SelectionChanged += SelectionChanged;
-    }
-
-    private void SelectionChanged(object? sender, TreeSelectionModelSelectionChangedEventArgs<FileNodeViewModel> e)
-    {
-        var selectedPath = Source.RowSelection?.SelectedItem?.Path;
-        this.SetProperty(ref _selectedPath, selectedPath, nameof(SelectedPath));
-
-        foreach (var i in e.DeselectedItems)
-            Trace.WriteLine($"Deselected '{i?.Path}'");
-        foreach (var i in e.SelectedItems)
-            Trace.WriteLine($"Selected '{i?.Path}'");
-    }
-    private void SetSelectedPath(string? path)
-    {
-        if (string.IsNullOrEmpty(path))
-        {
-            Source.RowSelection!.Clear();
-            return;
-        }
-
-        var components = new Stack<string>();
-        DirectoryInfo? d = null;
-
-        if (File.Exists(path))
-        {
-            var f = new FileInfo(path);
-            components.Push(f.Name);
-            d = f.Directory;
-        }
-        else if (Directory.Exists(path))
-        {
-            d = new DirectoryInfo(path);
-        }
-
-        while (d is not null)
-        {
-            components.Push(d.Name);
-            d = d.Parent;
-        }
-
-        var index = IndexPath.Unselected;
-
-        if (components.Count > 0)
-        {
-            var drive = components.Pop();
-            var driveIndex = Drives.FindIndex(x => string.Equals(x, drive, StringComparison.OrdinalIgnoreCase));
-
-            if (driveIndex >= 0)
-                SelectedDrive = Drives[driveIndex];
-
-            var node = Root;
-            index = new IndexPath(0);
-
-            while (node is not null && components.Count > 0)
-            {
-                node.IsExpanded = true;
-
-                var component = components.Pop();
-                var i = node.Children.FindIndex(x => string.Equals(x.Name, component, StringComparison.OrdinalIgnoreCase));
-                node = i >= 0 ? node.Children[i] : null;
-                index = i >= 0 ? index.Append(i) : default;
-            }
-        }
-
-        Source.Items = [Root!];
-        Source.RowSelection!.SelectedIndex = index;
-    }
-}
-
-public partial class FileNodeViewModel : ObservableObject, IEditableObject
-{
-    [ObservableProperty] private string _path;
-    [ObservableProperty] private string _name;
-    private string? _undoName;
-    [ObservableProperty] private long? _size;
-    [ObservableProperty] private DateTimeOffset? _modified;
-    private FileSystemWatcher? _watcher;
-    private ObservableCollection<FileNodeViewModel>? _children;
-    [ObservableProperty] private bool _hasChildren = true;
-    [ObservableProperty] private bool _isExpanded;
-
-    public FileNodeViewModel(string path, bool isDirectory, bool isRoot = false)
-    {
-        Path = path;
-        Name = isRoot ? path : System.IO.Path.GetFileName(Path);
-        IsExpanded = isRoot;
-        IsDirectory = isDirectory;
-        HasChildren = isDirectory;
-
-        if (!isDirectory)
-        {
-            var info = new FileInfo(path);
-            Size = info.Length;
-            Modified = info.LastWriteTimeUtc;
-        }
-    }
-
-    public bool IsChecked { get; set; }
-    public bool IsDirectory { get; }
-    public IReadOnlyList<FileNodeViewModel> Children => _children ??= LoadChildren();
-
-    private ObservableCollection<FileNodeViewModel> LoadChildren()
-    {
-        if (!IsDirectory)
-        {
-            throw new NotSupportedException();
-        }
-
-        var options = new EnumerationOptions { IgnoreInaccessible = true };
-        var result = new ObservableCollection<FileNodeViewModel>();
-
-        foreach (var d in Directory.EnumerateDirectories(Path, "*", options))
-        {
-            result.Add(new FileNodeViewModel(d, true));
-        }
-
-        foreach (var f in Directory.EnumerateFiles(Path, "*", options))
-        {
-            result.Add(new FileNodeViewModel(f, false));
-        }
-
-        _watcher = new FileSystemWatcher
-        {
-            Path = Path,
-            NotifyFilter = NotifyFilters.FileName | NotifyFilters.Size | NotifyFilters.LastWrite,
-        };
-
-        _watcher.Changed += OnChanged;
-        _watcher.Created += OnCreated;
-        _watcher.Deleted += OnDeleted;
-        _watcher.Renamed += OnRenamed;
-        _watcher.EnableRaisingEvents = true;
-
-        if (result.Count == 0)
-            HasChildren = false;
-
-        return result;
-    }
-
-    public static Comparison<FileNodeViewModel?> SortAscending<T>(Func<FileNodeViewModel, T> selector)
-    {
-        return (x, y) =>
-        {
-            if (x is null && y is null)
-                return 0;
-            else if (x is null)
-                return -1;
-            else if (y is null)
-                return 1;
-            if (x.IsDirectory == y.IsDirectory)
-                return Comparer<T>.Default.Compare(selector(x), selector(y));
-            else if (x.IsDirectory)
-                return -1;
-            else
-                return 1;
-        };
-    }
-
-    public static Comparison<FileNodeViewModel?> SortDescending<T>(Func<FileNodeViewModel, T> selector)
-    {
-        return (x, y) =>
-        {
-            if (x is null && y is null)
-                return 0;
-            else if (x is null)
-                return 1;
-            else if (y is null)
-                return -1;
-            if (x.IsDirectory == y.IsDirectory)
-                return Comparer<T>.Default.Compare(selector(y), selector(x));
-            else if (x.IsDirectory)
-                return -1;
-            else
-                return 1;
-        };
-    }
-
-    void IEditableObject.BeginEdit() => _undoName = Name;
-    void IEditableObject.CancelEdit() => Name = _undoName ?? string.Empty;
-    void IEditableObject.EndEdit() => _undoName = null;
-
-    private void OnChanged(object sender, FileSystemEventArgs e)
-    {
-        if (e.ChangeType == WatcherChangeTypes.Changed && File.Exists(e.FullPath))
-        {
-            Dispatcher.UIThread.Post(() =>
-            {
-                foreach (var child in _children!)
-                {
-                    if (child.Path == e.FullPath)
-                    {
-                        if (!child.IsDirectory)
-                        {
-                            var info = new FileInfo(e.FullPath);
-                            child.Size = info.Length;
-                            child.Modified = info.LastWriteTimeUtc;
-                        }
-
-                        break;
-                    }
-                }
-            });
-        }
-    }
-
-    private void OnCreated(object sender, FileSystemEventArgs e)
-    {
-        Dispatcher.UIThread.Post(() =>
-        {
-            var node = new FileNodeViewModel(
-                e.FullPath,
-                File.GetAttributes(e.FullPath).HasFlag(FileAttributes.Directory));
-            _children!.Add(node);
-        });
-    }
-
-    private void OnDeleted(object sender, FileSystemEventArgs e)
-    {
-        Dispatcher.UIThread.Post(() =>
-        {
-            for (var i = 0; i < _children!.Count; ++i)
-            {
-                if (_children[i].Path == e.FullPath)
-                {
-                    _children.RemoveAt(i);
-                    Debug.WriteLine($"Removed {e.FullPath}");
-                    break;
-                }
-            }
-        });
-    }
-
-    private void OnRenamed(object sender, RenamedEventArgs e)
-    {
-        Dispatcher.UIThread.Post(() =>
-        {
-            foreach (var child in _children!)
-            {
-                if (child.Path == e.OldFullPath)
-                {
-                    child.Path = e.FullPath;
-                    child.Name = e.Name ?? string.Empty;
-                    break;
-                }
-            }
-        });
-    }
-}
-
-internal static class ListExtensions
-{
-    public static int FindIndex<T>(this IEnumerable<T> source, Func<T, bool> predicate)
-    {
-        int i = 0;
-        foreach (var item in source)
-        {
-            if (predicate(item))
-                return i;
-            i++;
-        }
-
-        return -1;
-    }
-}

demo/Semi.Avalonia.Demo/ViewModels/TreeDataGridDemo/SongsPageViewModel.cs

@@ -1,54 +0,0 @@
-using System.Collections.ObjectModel;
-using System.Linq;
-using Avalonia.Controls;
-using Avalonia.Controls.Models.TreeDataGrid;
-using CommunityToolkit.Mvvm.ComponentModel;
-
-namespace Semi.Avalonia.Demo.ViewModels;
-
-public class SongsPageViewModel : ObservableObject
-{
-    public FlatTreeDataGridSource<SongViewModel> Songs { get; }
-
-    public SongsPageViewModel()
-    {
-        var songs = new ObservableCollection<SongViewModel>(Song.Songs.Select(a => new SongViewModel()
-        {
-            Title = a.Title,
-            Artist = a.Artist,
-            Album = a.Album,
-            CountOfComment = a.CountOfComment,
-            IsSelected = false
-        }));
-
-        Songs = new FlatTreeDataGridSource<SongViewModel>(songs)
-        {
-            Columns =
-            {
-                new CheckBoxColumn<SongViewModel>(
-                    "IsSelected",
-                    a => a.IsSelected,
-                    (model, b) => { model.IsSelected = b; },
-                    new GridLength(108, GridUnitType.Pixel)),
-                new TextColumn<SongViewModel, string>(
-                    "Title",
-                    a => a.Title,
-                    (o, a) => o.Title = a,
-                    new GridLength(6, GridUnitType.Star)),
-                new TextColumn<SongViewModel, string>("Artist",
-                    a => a.Artist,
-                    (o, a) => o.Artist = a,
-                    new GridLength(6, GridUnitType.Star)),
-                new TemplateColumn<SongViewModel>("Album",
-                    "AlbumCell",
-                    "AlbumEditCell",
-                    new GridLength(6, GridUnitType.Star)),
-                new TemplateColumn<SongViewModel>(
-                    "Comments",
-                    "CommentsCell",
-                    "CommentsEditCell",
-                    new GridLength(6, GridUnitType.Star)),
-            }
-        };
-    }
-}

demo/Semi.Avalonia.Demo/ViewModels/TreeDataGridDemo/TreeDataGridDemoViewModel.cs

@@ -1,9 +0,0 @@
-using CommunityToolkit.Mvvm.ComponentModel;
-
-namespace Semi.Avalonia.Demo.ViewModels;
-
-public class TreeDataGridDemoViewModel : ObservableObject
-{
-    public SongsPageViewModel SongsContext { get; } = new();
-    public FilesPageViewModel FilesContext { get; } = new();
-}

demo/Semi.Avalonia.Demo/ViewModels/VariablesDemoViewModel.cs

@@ -1,151 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Globalization;
-using Avalonia;
-using Avalonia.Collections;
-using Avalonia.Controls;
-using Avalonia.Media;
-using CommunityToolkit.Mvvm.ComponentModel;
-using Semi.Avalonia.Tokens;
-
-namespace Semi.Avalonia.Demo.ViewModels;
-
-public partial class VariablesDemoViewModel : ObservableObject
-{
-    public DataGridCollectionView GridData { get; set; }
-    [ObservableProperty] private string _searchText = string.Empty;
-
-    public VariablesDemoViewModel()
-    {
-        IResourceDictionary dictionary = new Variables();
-        foreach (var token in Tokens)
-        {
-            if (token.ResourceKey is not null && dictionary.TryGetValue(token.ResourceKey, out var value))
-            {
-                token.Type = value?.GetType();
-                token.Value = GetValueString(value);
-            }
-        }
-
-        GridData = new DataGridCollectionView(Tokens);
-        GridData.GroupDescriptions.Add(new DataGridPathGroupDescription(nameof(VariableItem.Category)));
-    }
-
-    private static string? GetValueString(object? value)
-    {
-        if (value is null) return string.Empty;
-
-        return value switch
-        {
-            double d => d.ToString(CultureInfo.InvariantCulture),
-            CornerRadius c => c.IsUniform ? $"{c.TopLeft}" : c.ToString(),
-            Thickness t => t.IsUniform ? $"{t.Left}" : t.ToString(),
-            FontWeight fontWeight => Convert.ToInt32(fontWeight).ToString(),
-            FontFamily fontFamily => fontFamily.FamilyNames.ToString(),
-            _ => value.ToString()
-        };
-    }
-
-    partial void OnSearchTextChanged(string value)
-    {
-        if (string.IsNullOrWhiteSpace(value))
-        {
-            GridData.Filter = _ => true;
-            GridData.Refresh();
-            return;
-        }
-
-        var search = value.Trim();
-        GridData.Filter = item =>
-        {
-            if (item is not VariableItem variableItem) return false;
-            return (variableItem.Category?.Contains(search, StringComparison.InvariantCultureIgnoreCase) ?? false) ||
-                   (variableItem.ResourceKey?.Contains(search, StringComparison.InvariantCultureIgnoreCase) ?? false) ||
-                   (variableItem.Value?.Contains(search, StringComparison.InvariantCultureIgnoreCase) ?? false) ||
-                   (variableItem.Type?.Name.Contains(search, StringComparison.InvariantCultureIgnoreCase) ?? false) ||
-                   (variableItem.Description?.Contains(search, StringComparison.InvariantCultureIgnoreCase) ?? false);
-        };
-        GridData.Refresh();
-    }
-
-    private static List<VariableItem> Tokens { get; set; } =
-    [
-        new("Height", "SemiHeightControlSmall"),
-        new("Height", "SemiHeightControlDefault"),
-        new("Height", "SemiHeightControlLarge"),
-        new("Icon Size", "SemiWidthIconExtraSmall"),
-        new("Icon Size", "SemiWidthIconSmall"),
-        new("Icon Size", "SemiWidthIconMedium"),
-        new("Icon Size", "SemiWidthIconLarge"),
-        new("Icon Size", "SemiWidthIconExtraLarge"),
-        new("Border CornerRadius Spacing", "SemiBorderRadiusSpacingExtraSmall"),
-        new("Border CornerRadius Spacing", "SemiBorderRadiusSpacingSmall"),
-        new("Border CornerRadius Spacing", "SemiBorderRadiusSpacingMedium"),
-        new("Border CornerRadius Spacing", "SemiBorderRadiusSpacingLarge"),
-        new("Border CornerRadius Spacing", "SemiBorderRadiusSpacingFull"),
-        new("Border CornerRadius", "SemiBorderRadiusExtraSmall"),
-        new("Border CornerRadius", "SemiBorderRadiusSmall"),
-        new("Border CornerRadius", "SemiBorderRadiusMedium"),
-        new("Border CornerRadius", "SemiBorderRadiusLarge"),
-        new("Border CornerRadius", "SemiBorderRadiusFull"),
-        new("Border Spacing", "SemiBorderSpacing"),
-        new("Border Spacing", "SemiBorderSpacingControl"),
-        new("Border Spacing", "SemiBorderSpacingControlFocus"),
-        new("Border Thickness", "SemiBorderThickness"),
-        new("Border Thickness", "SemiBorderThicknessControl"),
-        new("Border Thickness", "SemiBorderThicknessControlFocus"),
-        new("Spacing", "SemiSpacingNone"),
-        new("Spacing", "SemiSpacingSuperTight"),
-        new("Spacing", "SemiSpacingExtraTight"),
-        new("Spacing", "SemiSpacingTight"),
-        new("Spacing", "SemiSpacingBaseTight"),
-        new("Spacing", "SemiSpacingBase"),
-        new("Spacing", "SemiSpacingBaseLoose"),
-        new("Spacing", "SemiSpacingLoose"),
-        new("Spacing", "SemiSpacingExtraLoose"),
-        new("Spacing", "SemiSpacingSuperLoose"),
-        new("Thickness", "SemiThicknessNone"),
-        new("Thickness", "SemiThicknessSuperTight"),
-        new("Thickness", "SemiThicknessExtraTight"),
-        new("Thickness", "SemiThicknessTight"),
-        new("Thickness", "SemiThicknessBaseTight"),
-        new("Thickness", "SemiThicknessBase"),
-        new("Thickness", "SemiThicknessBaseLoose"),
-        new("Thickness", "SemiThicknessLoose"),
-        new("Thickness", "SemiThicknessExtraLoose"),
-        new("Thickness", "SemiThicknessSuperLoose"),
-        new("FontSize", "SemiFontSizeSmall"),
-        new("FontSize", "SemiFontSizeRegular"),
-        new("FontSize", "SemiFontSizeHeader6"),
-        new("FontSize", "SemiFontSizeHeader5"),
-        new("FontSize", "SemiFontSizeHeader4"),
-        new("FontSize", "SemiFontSizeHeader3"),
-        new("FontSize", "SemiFontSizeHeader2"),
-        new("FontSize", "SemiFontSizeHeader1"),
-        new("FontWeight", "SemiFontWeightLight"),
-        new("FontWeight", "SemiFontWeightRegular"),
-        new("FontWeight", "SemiFontWeightBold"),
-        new("FontFamily", "SemiFontFamilyRegular"),
-    ];
-}
-
-public class VariableItem()
-{
-    public string? Category { get; set; }
-    public string? ResourceKey { get; set; }
-    public Type? Type { get; set; }
-    public string? Value { get; set; }
-    public string? Description { get; set; }
-
-    public VariableItem(string category, string resourceKey, string description = "") : this()
-    {
-        Category = category;
-        ResourceKey = resourceKey;
-        Description = description;
-    }
-
-    public string CopyText =>
-        $"""
-         <StaticResource x:Key="" ResourceKey="{ResourceKey}" />
-         """;
-}

demo/Semi.Avalonia.Demo/Views/MainView.axaml

@@ -116,15 +116,15 @@
             <TabItem
                 Theme="{DynamicResource CategoryTabItem}"
                 Header="Resource Browser" />
-            <TabItem Header="Palette">
-                <pages:PaletteDemo />
-            </TabItem>
-            <TabItem Header="HighContrastTheme">
-                <pages:HighContrastDemo />
-            </TabItem>
-            <TabItem Header="Variables">
-                <pages:VariablesDemo />
-            </TabItem>
+            <!-- <TabItem Header="Palette"> -->
+            <!--     <pages:PaletteDemo /> -->
+            <!-- </TabItem> -->
+            <!-- <TabItem Header="HighContrastTheme"> -->
+            <!--     <pages:HighContrastDemo /> -->
+            <!-- </TabItem> -->
+            <!-- <TabItem Header="Variables"> -->
+            <!--     <pages:VariablesDemo /> -->
+            <!-- </TabItem> -->
             <TabItem Header="Icon">
                 <pages:IconDemo />
             </TabItem>
@@ -134,12 +134,12 @@
             <TabItem Header="ColorPicker">
                 <pages:ColorPickerDemo />
             </TabItem>
-            <TabItem Header="DataGrid">
-                <pages:DataGridDemo />
-            </TabItem>
-            <TabItem Header="TreeDataGrid">
-                <pages:TreeDataGridDemo />
-            </TabItem>
+            <!-- <TabItem Header="DataGrid"> -->
+            <!--     <pages:DataGridDemo /> -->
+            <!-- </TabItem> -->
+            <!-- <TabItem Header="TreeDataGrid"> -->
+            <!--     <pages:TreeDataGridDemo /> -->
+            <!-- </TabItem> -->
             <TabItem
                 Theme="{DynamicResource CategoryTabItem}"
                 Header="Basic" />
@@ -161,15 +161,9 @@
             <TabItem Header="Button">
                 <pages:ButtonDemo />
             </TabItem>
-            <TabItem Header="RepeatButton">
-                <pages:RepeatButtonDemo />
-            </TabItem>
             <TabItem Header="HyperlinkButton">
                 <pages:HyperlinkButtonDemo />
             </TabItem>
-            <TabItem Header="ToggleButton">
-                <pages:ToggleButtonDemo />
-            </TabItem>
             <TabItem Header="CheckBox">
                 <pages:CheckBoxDemo />
             </TabItem>
@@ -221,6 +215,18 @@
             <TabItem
                 Theme="{DynamicResource CategoryTabItem}"
                 Header="Navigation" />
+            <TabItem Header="ContentPage">
+                <pages:ContentPageDemo />
+            </TabItem>
+            <TabItem Header="DrawerPage">
+                <pages:DrawerPageDemo />
+            </TabItem>
+            <TabItem Header="NavigationPage">
+                <pages:NavigationPageDemo />
+            </TabItem>
+            <TabItem Header="TabbedPage">
+                <pages:TabbedPageDemo />
+            </TabItem>
             <TabItem Header="TabControl">
                 <pages:TabControlDemo />
             </TabItem>
@@ -275,6 +281,9 @@
             <TabItem
                 Theme="{DynamicResource CategoryTabItem}"
                 Header="Other" />
+            <TabItem Header="CommandBar">
+                <pages:CommandBarDemo />
+            </TabItem>
             <TabItem Header="GridSplitter">
                 <pages:GridSplitterDemo />
             </TabItem>

demo/Semi.Avalonia.Demo/Views/MainView.axaml.cs

@@ -90,97 +90,97 @@ public partial class MainViewModel : ObservableObject
                     {
                         Header = "简体中文",
                         Command = SelectLocaleCommand,
-                        CommandParameter = new CultureInfo("zh-cn")
+                        CommandParameter = new CultureInfo("zh-CN")
                     },
                     new MenuItemViewModel
                     {
                         Header = "English",
                         Command = SelectLocaleCommand,
-                        CommandParameter = new CultureInfo("en-us")
+                        CommandParameter = new CultureInfo("en-US")
                     },
                     new MenuItemViewModel
                     {
                         Header = "日本語",
                         Command = SelectLocaleCommand,
-                        CommandParameter = new CultureInfo("ja-jp")
+                        CommandParameter = new CultureInfo("ja-JP")
                     },
                     new MenuItemViewModel
                     {
                         Header = "한국어",
                         Command = SelectLocaleCommand,
-                        CommandParameter = new CultureInfo("ko-kr")
+                        CommandParameter = new CultureInfo("ko-KR")
                     },
                     new MenuItemViewModel
                     {
                         Header = "English (UK)",
                         Command = SelectLocaleCommand,
-                        CommandParameter = new CultureInfo("en-gb")
+                        CommandParameter = new CultureInfo("en-GB")
                     },
                     new MenuItemViewModel
                     {
                         Header = "Italiano",
                         Command = SelectLocaleCommand,
-                        CommandParameter = new CultureInfo("it-it")
+                        CommandParameter = new CultureInfo("it-IT")
                     },
                     new MenuItemViewModel
                     {
                         Header = "Italiano (Switzerland)",
                         Command = SelectLocaleCommand,
-                        CommandParameter = new CultureInfo("it-ch")
+                        CommandParameter = new CultureInfo("it-CH")
                     },
                     new MenuItemViewModel
                     {
                         Header = "Nederlands",
                         Command = SelectLocaleCommand,
-                        CommandParameter = new CultureInfo("nl-nl")
+                        CommandParameter = new CultureInfo("nl-NL")
                     },
                     new MenuItemViewModel
                     {
                         Header = "Nederlands (Belgium)",
                         Command = SelectLocaleCommand,
-                        CommandParameter = new CultureInfo("nl-be")
+                        CommandParameter = new CultureInfo("nl-BE")
                     },
                     new MenuItemViewModel
                     {
                         Header = "Українська",
                         Command = SelectLocaleCommand,
-                        CommandParameter = new CultureInfo("uk-ua")
+                        CommandParameter = new CultureInfo("uk-UA")
                     },
                     new MenuItemViewModel
                     {
                         Header = "Русский",
                         Command = SelectLocaleCommand,
-                        CommandParameter = new CultureInfo("ru-ru")
+                        CommandParameter = new CultureInfo("ru-RU")
                     },
                     new MenuItemViewModel
                     {
                         Header = "繁體中文",
                         Command = SelectLocaleCommand,
-                        CommandParameter = new CultureInfo("zh-tw")
+                        CommandParameter = new CultureInfo("zh-TW")
                     },
                     new MenuItemViewModel
                     {
                         Header = "Deutsch",
                         Command = SelectLocaleCommand,
-                        CommandParameter = new CultureInfo("de-de")
+                        CommandParameter = new CultureInfo("de-DE")
                     },
                     new MenuItemViewModel
                     {
                         Header = "Español",
                         Command = SelectLocaleCommand,
-                        CommandParameter = new CultureInfo("es-es")
+                        CommandParameter = new CultureInfo("es-ES")
                     },
                     new MenuItemViewModel
                     {
                         Header = "Polski",
                         Command = SelectLocaleCommand,
-                        CommandParameter = new CultureInfo("pl-pl")
+                        CommandParameter = new CultureInfo("pl-PL")
                     },
                     new MenuItemViewModel
                     {
                         Header = "Français",
                         Command = SelectLocaleCommand,
-                        CommandParameter = new CultureInfo("fr-fr")
+                        CommandParameter = new CultureInfo("fr-FR")
                     },
                 ]
             }

demo/Semi.Avalonia.Demo/Views/MainWindow.axaml

@@ -5,10 +5,12 @@
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
     xmlns:views="clr-namespace:Semi.Avalonia.Demo.Views"
-    Title="Semi.Avalonia.Demo"
+    Title="Semi Avalonia Demo"
     d:DesignHeight="450"
     d:DesignWidth="800"
+    ExtendClientAreaToDecorationsHint="True"
+    ExtendClientAreaTitleBarHeightHint="40"
     Icon="/Assets/irihi.ico"
     mc:Ignorable="d">
-    <views:MainView />
+    <views:MainView Margin="{Binding $parent[Window].WindowDecorationMargin}" />
 </Window>

src/Directory.Build.props

@@ -1,17 +1,23 @@
 <Project>
     <PropertyGroup>
-        <TargetFrameworks>netstandard2.0;net6.0;net8.0</TargetFrameworks>
         <Nullable>enable</Nullable>
         <LangVersion>latest</LangVersion>
-        <Version>11.3.7</Version>
+        <AvaloniaUseCompiledBindingsByDefault>true</AvaloniaUseCompiledBindingsByDefault>
+    </PropertyGroup>
+
+    <PropertyGroup Condition="$([MSBuild]::IsTargetFrameworkCompatible('$(TargetFramework)', 'net8.0'))">
+        <IsAotCompatible>true</IsAotCompatible>
+    </PropertyGroup>
+
+    <PropertyGroup>
         <Authors>IRIHI Technology Co., Ltd.</Authors>
         <Description>Avalonia Theme inspired by Semi Design.</Description>
         <RepositoryUrl>https://github.com/irihitech/Semi.Avalonia</RepositoryUrl>
+        <PackageProjectUrl>https://github.com/irihitech/Semi.Avalonia</PackageProjectUrl>
         <PackageLicenseExpression>MIT</PackageLicenseExpression>
         <PackageIcon>irihi.png</PackageIcon>
         <PackageProjectUrl>https://github.com/irihitech/Semi.Avalonia</PackageProjectUrl>
-        <AvaloniaVersion>11.3.7</AvaloniaVersion>
-        <AvaloniaUseCompiledBindingsByDefault>true</AvaloniaUseCompiledBindingsByDefault>
+        <PackageReadmeFile>README.md</PackageReadmeFile>
     </PropertyGroup>
 
     <ItemGroup>

src/Directory.Packages.props

@@ -0,0 +1,14 @@
+<Project>
+    <PropertyGroup>
+        <ManagePackageVersionsCentrally>true</ManagePackageVersionsCentrally>
+        <AvaloniaVersion>12.0.0-preview2</AvaloniaVersion>
+        <DataGridVersion>11.3.7</DataGridVersion>
+    </PropertyGroup>
+    <ItemGroup>
+        <PackageVersion Include="Avalonia" Version="$(AvaloniaVersion)"/>
+        <PackageVersion Include="Avalonia.Controls.ColorPicker" Version="$(AvaloniaVersion)"/>
+        <PackageVersion Include="Avalonia.Controls.DataGrid" Version="$(DataGridVersion)"/>
+        <PackageVersion Include="Avalonia.Controls.TreeDataGrid" Version="11.1.1"/>
+        <PackageVersion Include="Irihi.Avalonia.Shared" Version="0.4.0-preview1"/>
+    </ItemGroup>
+</Project>

src/Semi.Avalonia.ColorPicker/Controls/ColorPicker.axaml

@@ -1,8 +1,8 @@
 <ResourceDictionary
     xmlns="https://github.com/avaloniaui"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:iri="https://irihi.tech/shared"
     xmlns:converters="using:Avalonia.Controls.Converters">
-    <converters:CornerRadiusFilterConverter x:Key="LeftCornerRadiusFilterConverter" Filter="TopLeft, BottomLeft" />
     <converters:ToBrushConverter x:Key="ToBrushConverter" />
 
     <ControlTheme x:Key="{x:Type ColorPicker}" TargetType="ColorPicker">
@@ -16,11 +16,11 @@
                     <Border
                         Margin="1,1,0,1"
                         Background="{DynamicResource ColorControlCheckeredBackgroundBrush}"
-                        CornerRadius="{TemplateBinding CornerRadius, Converter={StaticResource LeftCornerRadiusFilterConverter}}" />
+                        CornerRadius="{TemplateBinding CornerRadius, Converter={iri:CornerRadiusMixerConverter Left}}" />
                     <Border
                         Margin="1,1,0,1"
                         Background="{TemplateBinding HsvColor, Converter={StaticResource ToBrushConverter}}"
-                        CornerRadius="{TemplateBinding CornerRadius, Converter={StaticResource LeftCornerRadiusFilterConverter}}" />
+                        CornerRadius="{TemplateBinding CornerRadius, Converter={iri:CornerRadiusMixerConverter Left}}" />
                 </Panel>
             </Template>
         </Setter>

src/Semi.Avalonia.ColorPicker/Controls/ColorPreviewer.axaml

@@ -1,11 +1,9 @@
 <ResourceDictionary
     xmlns="https://github.com/avaloniaui"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-    xmlns:converters="using:Avalonia.Controls.Converters"
+    xmlns:iri="https://irihi.tech/shared"
     xmlns:pc="using:Avalonia.Controls.Primitives.Converters">
     <pc:AccentColorConverter x:Key="AccentColorConverter" />
-    <converters:CornerRadiusFilterConverter x:Key="LeftCornerRadiusFilterConverter" Filter="TopLeft, BottomLeft" />
-    <converters:CornerRadiusFilterConverter x:Key="RightCornerRadiusFilterConverter" Filter="TopRight, BottomRight" />
 
     <ControlTheme x:Key="{x:Type ColorPreviewer}" TargetType="ColorPreviewer">
         <Setter Property="Height" Value="{DynamicResource ColorPreviewerHeight}" />
@@ -34,7 +32,7 @@
                                 Background="{TemplateBinding HsvColor,
                                 Converter={StaticResource AccentColorConverter},
                                 ConverterParameter='-2'}"
-                                CornerRadius="{TemplateBinding CornerRadius,Converter={StaticResource LeftCornerRadiusFilterConverter}}"
+                                CornerRadius="{TemplateBinding CornerRadius,Converter={iri:CornerRadiusMixerConverter Left}}"
                                 Tag="-2" />
                             <Border
                                 Name="PART_AccentDecrement1Border"
@@ -70,7 +68,7 @@
                                 Background="{TemplateBinding HsvColor,
                                 Converter={StaticResource AccentColorConverter},
                                 ConverterParameter='2'}"
-                                CornerRadius="{TemplateBinding CornerRadius,Converter={StaticResource RightCornerRadiusFilterConverter}}"
+                                CornerRadius="{TemplateBinding CornerRadius,Converter={iri:CornerRadiusMixerConverter Right}}"
                                 Tag="2" />
                         </Grid>
                         <!--  Preview color: Must be last for drop shadow Z-index  -->

src/Semi.Avalonia.ColorPicker/README.md

@@ -0,0 +1,50 @@
+# Semi.Avalonia.ColorPicker
+
+[![Semi Avalonia ColorPicker](https://img.shields.io/nuget/v/Semi.Avalonia.ColorPicker.svg?color=red&style=flat-square)](https://www.nuget.org/packages/Semi.Avalonia.ColorPicker/)
+[![Semi Avalonia ColorPicker](https://img.shields.io/nuget/dt/Semi.Avalonia.ColorPicker.svg?style=flat-square)](https://www.nuget.org/packages/Semi.Avalonia.ColorPicker/)
+
+Avalonia ColorPicker Theme inspired by Semi Design
+
+This package provides Semi Design theming for the Avalonia ColorPicker control.
+
+## Installation
+
+```bash
+dotnet add package Semi.Avalonia.ColorPicker
+```
+
+## Prerequisites
+
+This package requires the main Semi.Avalonia theme to be installed:
+
+```bash
+dotnet add package Semi.Avalonia
+```
+
+## Usage
+
+Include the ColorPicker theme in your application:
+
+```xaml
+<Application
+    ...
+    xmlns:semi="https://irihi.tech/semi">
+    <Application.Styles>
+        <semi:SemiTheme Locale="zh-CN" />
+        <semi:ColorPickerSemiTheme />
+    </Application.Styles>
+</Application>
+```
+
+## Resources
+
+- [Documentation](https://docs.irihi.tech/semi/)
+- [Repository](https://github.com/irihitech/Semi.Avalonia)
+- [Online Demo](https://irihitech.github.io/Semi.Avalonia/)
+- [Download Demo](https://github.com/irihitech/Semi.Avalonia/releases)
+
+## Credits
+
+[Semi Design](https://semi.design/)
+
+[Avalonia](https://github.com/AvaloniaUI/Avalonia)

src/Semi.Avalonia.ColorPicker/Semi.Avalonia.ColorPicker.csproj

@@ -1,18 +1,16 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
-    <Import Project="../Package.props"/>
-
     <PropertyGroup>
+        <TargetFrameworks>net8.0;net10.0</TargetFrameworks>
+        <Version>12.0.0-preview2</Version>
+        <PackageReleaseNotes>Update to Semi.Avalonia.ColorPicker 12.0.0-preview2</PackageReleaseNotes>
         <Title>Semi.Avalonia.ColorPicker</Title>
-        <PackageReleaseNotes>Update to Semi.Avalonia.ColorPicker 11.3.7</PackageReleaseNotes>
-    </PropertyGroup>
-
-    <PropertyGroup Condition="$([MSBuild]::IsTargetFrameworkCompatible('$(TargetFramework)', 'net8.0'))">
-        <IsAotCompatible>true</IsAotCompatible>
     </PropertyGroup>
 
     <ItemGroup>
-        <PackageReference Include="Avalonia.Controls.ColorPicker" Version="$(AvaloniaVersion)"/>
+        <PackageReference Include="Avalonia.Controls.ColorPicker"/>
+        <PackageReference Include="Irihi.Avalonia.Shared"/>
+        <None Include="README.md" Pack="true" PackagePath="\"/>
     </ItemGroup>
 
 </Project>

src/Semi.Avalonia.ColorPicker/SemiColorDarkPalette.cs

@@ -1,6 +1,7 @@
 using Avalonia.Controls;
 using Avalonia.Media;
 using Avalonia.Utilities;
+using Irihi.Avalonia.Shared.Helpers;
 
 namespace Semi.Avalonia.ColorPicker;
 
@@ -220,8 +221,8 @@ public class SemiColorDarkPalette: IColorPalette
     public Color GetColor(int colorIndex, int shadeIndex)
     {
         return Colors[
-            MathUtilities.Clamp(colorIndex, 0, ColorCount - 1),
-            MathUtilities.Clamp(shadeIndex, 0, ShadeCount - 1)
+            MathHelpers.SafeClamp(colorIndex, 0, ColorCount - 1),
+            MathHelpers.SafeClamp(shadeIndex, 0, ShadeCount - 1)
         ];
     }
 

src/Semi.Avalonia.ColorPicker/SemiColorLightPalette.cs

@@ -1,6 +1,7 @@
 using Avalonia.Controls;
 using Avalonia.Media;
 using Avalonia.Utilities;
+using Irihi.Avalonia.Shared.Helpers;
 
 namespace Semi.Avalonia.ColorPicker;
 
@@ -220,8 +221,8 @@ public class SemiColorLightPalette: IColorPalette
     public Color GetColor(int colorIndex, int shadeIndex)
     {
         return Colors[
-            MathUtilities.Clamp(colorIndex, 0, ColorCount - 1),
-            MathUtilities.Clamp(shadeIndex, 0, ShadeCount - 1)
+            MathHelpers.SafeClamp(colorIndex, 0, ColorCount - 1),
+            MathHelpers.SafeClamp(shadeIndex, 0, ShadeCount - 1)
         ];
     }
 

src/Semi.Avalonia.DataGrid/DataGrid.axaml

@@ -86,7 +86,7 @@
                         <Rectangle
                             Name="PART_RightGridLine"
                             Grid.Column="1"
-                            Width="1"
+                            Width="{DynamicResource DataGridGridLineThickness}"
                             VerticalAlignment="Stretch"
                             Fill="{DynamicResource DataGridLineBrush}" />
                     </Grid>
@@ -145,7 +145,7 @@
                         <Rectangle
                             Name="VerticalSeparator"
                             Grid.Column="1"
-                            Width="1"
+                            Width="{DynamicResource DataGridGridLineThickness}"
                             VerticalAlignment="Stretch"
                             Fill="{TemplateBinding SeparatorBrush}"
                             IsVisible="{TemplateBinding AreSeparatorsVisible}" />
@@ -209,7 +209,7 @@
                     <Rectangle
                         Grid.Row="0"
                         Grid.RowSpan="2"
-                        Height="1"
+                        Height="{DynamicResource DataGridGridLineThickness}"
                         VerticalAlignment="Bottom"
                         Fill="{DynamicResource DataGridLineBrush}"
                         StrokeThickness="1" />
@@ -250,7 +250,7 @@
                         Grid.Row="2"
                         Grid.Column="0"
                         Grid.ColumnSpan="2"
-                        Height="1"
+                        Height="{DynamicResource DataGridGridLineThickness}"
                         Margin="1,0,1,0"
                         HorizontalAlignment="Stretch"
                         Fill="{TemplateBinding SeparatorBrush}"
@@ -315,7 +315,7 @@
                             Name="PART_BottomGridLine"
                             Grid.Row="2"
                             Grid.Column="1"
-                            Height="1"
+                            Height="{DynamicResource DataGridGridLineThickness}"
                             HorizontalAlignment="Stretch" />
                     </DataGridFrozenGrid>
                 </Border>
@@ -452,7 +452,7 @@
                         Grid.Row="1"
                         Grid.Column="0"
                         Grid.ColumnSpan="5"
-                        Height="1"
+                        Height="{DynamicResource DataGridGridLineThickness}"
                         Fill="{DynamicResource DataGridLineBrush}" />
                 </DataGridFrozenGrid>
             </ControlTemplate>
@@ -498,7 +498,7 @@
                             Grid.Row="0"
                             Grid.Column="0"
                             Grid.ColumnSpan="3"
-                            Height="1"
+                            Height="{DynamicResource DataGridGridLineThickness}"
                             VerticalAlignment="Bottom"
                             Fill="{DynamicResource DataGridLineBrush}" />
 

src/Semi.Avalonia.DataGrid/README.md

@@ -0,0 +1,50 @@
+# Semi.Avalonia.DataGrid
+
+[![Semi Avalonia DataGrid](https://img.shields.io/nuget/v/Semi.Avalonia.DataGrid.svg?color=red&style=flat-square)](https://www.nuget.org/packages/Semi.Avalonia.DataGrid/)
+[![Semi Avalonia DataGrid](https://img.shields.io/nuget/dt/Semi.Avalonia.DataGrid.svg?style=flat-square)](https://www.nuget.org/packages/Semi.Avalonia.DataGrid/)
+
+Avalonia DataGrid Theme inspired by Semi Design
+
+This package provides Semi Design theming for the Avalonia DataGrid control.
+
+## Installation
+
+```bash
+dotnet add package Semi.Avalonia.DataGrid
+```
+
+## Prerequisites
+
+This package requires the main Semi.Avalonia theme to be installed:
+
+```bash
+dotnet add package Semi.Avalonia
+```
+
+## Usage
+
+Include the DataGrid theme in your application:
+
+```xaml
+<Application
+    ...
+    xmlns:semi="https://irihi.tech/semi">
+    <Application.Styles>
+        <semi:SemiTheme Locale="zh-CN" />
+        <semi:DataGridSemiTheme />
+    </Application.Styles>
+</Application>
+```
+
+## Resources
+
+- [Documentation](https://docs.irihi.tech/semi/)
+- [Repository](https://github.com/irihitech/Semi.Avalonia)
+- [Online Demo](https://irihitech.github.io/Semi.Avalonia/)
+- [Download Demo](https://github.com/irihitech/Semi.Avalonia/releases)
+
+## Credits
+
+[Semi Design](https://semi.design/)
+
+[Avalonia](https://github.com/AvaloniaUI/Avalonia)

src/Semi.Avalonia.DataGrid/Semi.Avalonia.DataGrid.csproj

@@ -2,27 +2,14 @@
 
     <PropertyGroup>
         <TargetFrameworks>netstandard2.0;net6.0;net8.0</TargetFrameworks>
-        <Nullable>enable</Nullable>
-        <LangVersion>latest</LangVersion>
-        <Version>11.3.7</Version>
-        <PackageReleaseNotes>Update to Semi.Avalonia.DataGrid 11.3.7</PackageReleaseNotes>
-        <Authors>IRIHI Technology Co., Ltd.</Authors>
-        <Description>Avalonia Theme inspired by Semi Design.</Description>
-        <RepositoryUrl>https://github.com/irihitech/Semi.Avalonia</RepositoryUrl>
-        <PackageLicenseExpression>MIT</PackageLicenseExpression>
-        <PackageIcon>irihi.png</PackageIcon>
-        <PackageProjectUrl>https://github.com/irihitech/Semi.Avalonia</PackageProjectUrl>
+        <Version>11.3.7.3</Version>
+        <PackageReleaseNotes>Update to Semi.Avalonia.DataGrid 11.3.7.3</PackageReleaseNotes>
         <Title>Semi.Avalonia.DataGrid</Title>
     </PropertyGroup>
 
-    <PropertyGroup Condition="$([MSBuild]::IsTargetFrameworkCompatible('$(TargetFramework)', 'net8.0'))">
-        <IsAotCompatible>true</IsAotCompatible>
-    </PropertyGroup>
-
     <ItemGroup>
-        <PackageReference Include="Avalonia.Controls.DataGrid" Version="11.3.7"/>
-        <None Include="..\..\irihi.png" Pack="true" PackagePath="\" Link="Properties\irihi.png"/>
-        <None Include="..\..\LICENSE" Pack="true" PackagePath="\" Link="Properties\LICENSE"/>
+        <PackageReference Include="Avalonia.Controls.DataGrid"/>
+        <None Include="README.md" Pack="true" PackagePath="\"/>
     </ItemGroup>
 
 </Project>

src/Semi.Avalonia.DataGrid/Shared.axaml

@@ -19,4 +19,7 @@
     <StaticResource x:Key="DataGridRowGroupHeaderVisualStrokeThickness" ResourceKey="SemiBorderSpacingControl" />
 
     <StaticResource x:Key="DataGridDisabledCornerRadius" ResourceKey="SemiBorderRadiusSmall" />
+
+    <!-- Grid line thickness -->
+    <x:Double x:Key="DataGridGridLineThickness">1</x:Double>
 </ResourceDictionary>

src/Semi.Avalonia.TreeDataGrid/Dark.axaml

@@ -1,10 +1,10 @@
 <ResourceDictionary xmlns="https://github.com/avaloniaui" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
     <StaticResource x:Key="TreeDataGridGridLinesBrush" ResourceKey="SemiColorBorder" />
-    <StaticResource x:Key="TreeDataGridHeaderPointerOverBackground" ResourceKey="SemiColorFill1" />
+    <StaticResource x:Key="TreeDataGridHeaderPointeroverBackground" ResourceKey="SemiColorFill1" />
     <StaticResource x:Key="TreeDataGridHeaderPressedBackground" ResourceKey="SemiColorFill2" />
-    <SolidColorBrush x:Key="TreeDataGridHeaderPointerOverBorderBrush" Color="Transparent" />
+    <SolidColorBrush x:Key="TreeDataGridHeaderPointeroverBorderBrush" Color="Transparent" />
     <SolidColorBrush x:Key="TreeDataGridHeaderPressedBorderBrush" Color="Transparent" />
-    <StaticResource x:Key="TreeDataGridHeaderPointerOverForeground" ResourceKey="SemiColorText1" />
+    <StaticResource x:Key="TreeDataGridHeaderPointeroverForeground" ResourceKey="SemiColorText1" />
     <StaticResource x:Key="TreeDataGridHeaderPressedForeground" ResourceKey="SemiColorText0" />
     <StaticResource x:Key="TreeDataGridCellSelectedBackground" ResourceKey="SemiColorPrimaryLight" />
     <StaticResource x:Key="TreeDataGridColumnHeaderForeground" ResourceKey="SemiColorText2" />

src/Semi.Avalonia.TreeDataGrid/Light.axaml

@@ -1,10 +1,10 @@
 <ResourceDictionary xmlns="https://github.com/avaloniaui" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
     <StaticResource x:Key="TreeDataGridGridLinesBrush" ResourceKey="SemiColorBorder" />
-    <StaticResource x:Key="TreeDataGridHeaderPointerOverBackground" ResourceKey="SemiColorFill1" />
+    <StaticResource x:Key="TreeDataGridHeaderPointeroverBackground" ResourceKey="SemiColorFill1" />
     <StaticResource x:Key="TreeDataGridHeaderPressedBackground" ResourceKey="SemiColorFill2" />
-    <SolidColorBrush x:Key="TreeDataGridHeaderPointerOverBorderBrush" Color="Transparent" />
+    <SolidColorBrush x:Key="TreeDataGridHeaderPointeroverBorderBrush" Color="Transparent" />
     <SolidColorBrush x:Key="TreeDataGridHeaderPressedBorderBrush" Color="Transparent" />
-    <StaticResource x:Key="TreeDataGridHeaderPointerOverForeground" ResourceKey="SemiColorText1" />
+    <StaticResource x:Key="TreeDataGridHeaderPointeroverForeground" ResourceKey="SemiColorText1" />
     <StaticResource x:Key="TreeDataGridHeaderPressedForeground" ResourceKey="SemiColorText0" />
     <StaticResource x:Key="TreeDataGridCellSelectedBackground" ResourceKey="SemiColorPrimaryLight" />
     <StaticResource x:Key="TreeDataGridColumnHeaderForeground" ResourceKey="SemiColorText2" />

src/Semi.Avalonia.TreeDataGrid/README.md

@@ -0,0 +1,50 @@
+# Semi.Avalonia.TreeDataGrid
+
+[![Semi Avalonia TreeDataGrid](https://img.shields.io/nuget/v/Semi.Avalonia.TreeDataGrid.svg?color=red&style=flat-square)](https://www.nuget.org/packages/Semi.Avalonia.TreeDataGrid/)
+[![Semi Avalonia TreeDataGrid](https://img.shields.io/nuget/dt/Semi.Avalonia.TreeDataGrid.svg?style=flat-square)](https://www.nuget.org/packages/Semi.Avalonia.TreeDataGrid/)
+
+Avalonia TreeDataGrid Theme inspired by Semi Design
+
+This package provides Semi Design theming for the Avalonia TreeDataGrid control.
+
+## Installation
+
+```bash
+dotnet add package Semi.Avalonia.TreeDataGrid
+```
+
+## Prerequisites
+
+This package requires the main Semi.Avalonia theme to be installed:
+
+```bash
+dotnet add package Semi.Avalonia
+```
+
+## Usage
+
+Include the TreeDataGrid theme in your application:
+
+```xaml
+<Application
+    ...
+    xmlns:semi="https://irihi.tech/semi">
+    <Application.Styles>
+        <semi:SemiTheme Locale="zh-CN" />
+        <semi:TreeDataGridSemiTheme />
+    </Application.Styles>
+</Application>
+```
+
+## Resources
+
+- [Documentation](https://docs.irihi.tech/semi/)
+- [Repository](https://github.com/irihitech/Semi.Avalonia)
+- [Online Demo](https://irihitech.github.io/Semi.Avalonia/)
+- [Download Demo](https://github.com/irihitech/Semi.Avalonia/releases)
+
+## Credits
+
+[Semi Design](https://semi.design/)
+
+[Avalonia](https://github.com/AvaloniaUI/Avalonia)

src/Semi.Avalonia.TreeDataGrid/Semi.Avalonia.TreeDataGrid.csproj

@@ -2,26 +2,14 @@
 
     <PropertyGroup>
         <TargetFramework>net6.0</TargetFramework>
-        <Nullable>enable</Nullable>
-        <LangVersion>latest</LangVersion>
-        <Version>11.0.10.4</Version>
-        <PackageReleaseNotes>Update to 11.0.10.4</PackageReleaseNotes>
-        <Authors>IRIHI Technology Co., Ltd.</Authors>
-        <Description>Avalonia Theme inspired by Semi Design.</Description>
-        <RepositoryUrl>https://github.com/irihitech/Semi.Avalonia</RepositoryUrl>
-        <PackageLicenseExpression>MIT</PackageLicenseExpression>
-        <PackageIcon>irihi.png</PackageIcon>
-        <PackageProjectUrl>https://github.com/irihitech/Semi.Avalonia</PackageProjectUrl>
-    </PropertyGroup>
-
-    <PropertyGroup Condition="$([MSBuild]::IsTargetFrameworkCompatible('$(TargetFramework)', 'net8.0'))">
-        <IsAotCompatible>true</IsAotCompatible>
+        <Version>11.1.1.1</Version>
+        <PackageReleaseNotes>Update to Semi.Avalonia.TreeDataGrid 11.1.1.1</PackageReleaseNotes>
+        <Title>Semi.Avalonia.TreeDataGrid</Title>
     </PropertyGroup>
 
     <ItemGroup>
-        <PackageReference Include="Avalonia.Controls.TreeDataGrid" Version="11.0.10"/>
-        <None Include="..\..\irihi.png" Pack="true" PackagePath="\" Link="Properties\irihi.png"/>
-        <None Include="..\..\LICENSE" Pack="true" PackagePath="\" Link="Properties\LICENSE"/>
+        <PackageReference Include="Avalonia.Controls.TreeDataGrid"/>
+        <None Include="README.md" Pack="true" PackagePath="\"/>
     </ItemGroup>
 
 </Project>

src/Semi.Avalonia.TreeDataGrid/TreeDataGrid.axaml

@@ -113,9 +113,9 @@
         </Setter>
 
         <Style Selector="^:pointerover /template/ Border#DataGridBorder">
-            <Setter Property="Background" Value="{DynamicResource TreeDataGridHeaderPointerOverBackground}" />
-            <Setter Property="BorderBrush" Value="{DynamicResource TreeDataGridHeaderPointerOverBorderBrush}" />
-            <Setter Property="TextBlock.Foreground" Value="{DynamicResource TreeDataGridHeaderPointerOverForeground}" />
+            <Setter Property="Background" Value="{DynamicResource TreeDataGridHeaderPointeroverBackground}" />
+            <Setter Property="BorderBrush" Value="{DynamicResource TreeDataGridHeaderPointeroverBorderBrush}" />
+            <Setter Property="TextBlock.Foreground" Value="{DynamicResource TreeDataGridHeaderPointeroverForeground}" />
         </Style>
 
         <Style Selector="^:pressed /template/ Border#DataGridBorder">

src/Semi.Avalonia/Animations/SemiPopupAnimations.axaml

@@ -2,9 +2,9 @@
     x:Class="Semi.Avalonia.SemiPopupAnimations"
     xmlns="https://github.com/avaloniaui"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-    xmlns:converters="clr-namespace:Semi.Avalonia.Converters">
+    xmlns:semi="https://irihi.tech/semi">
     <Style Selector="Popup LayoutTransformControl#PART_LayoutTransform">
-        <Setter Property="RenderTransformOrigin" Value="{Binding $parent[Popup].Placement, Converter={x:Static converters:PlacementToRenderTransformOriginConverter.Instance}}" />
+        <Setter Property="RenderTransformOrigin" Value="{Binding $parent[Popup].Placement, Converter={semi:PlacementToRenderTransformOriginConverter}}" />
     </Style>
 
     <Style Selector="Popup[IsOpen=True] LayoutTransformControl#PART_LayoutTransform">

src/Semi.Avalonia/Controls/AutoCompleteBox.axaml

@@ -1,14 +1,16 @@
 <ResourceDictionary
     xmlns="https://github.com/avaloniaui"
-    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:iri="https://irihi.tech/shared">
     <Design.PreviewWith>
         <StackPanel Margin="20" Spacing="20">
             <TextBox Text="Hello" />
-            <AutoCompleteBox Width="100" />
+            <AutoCompleteBox Width="100" PlaceholderText="Hello" />
         </StackPanel>
     </Design.PreviewWith>
     <ControlTheme x:Key="{x:Type AutoCompleteBox}" TargetType="AutoCompleteBox">
         <Setter Property="VerticalAlignment" Value="Center" />
+        <Setter Property="PlaceholderForeground" Value="{DynamicResource TextBoxPlaceholderForeground}" />
         <Setter Property="MinHeight" Value="{DynamicResource AutoCompleteBoxDefaultHeight}" />
         <Setter Property="MaxDropDownHeight" Value="{DynamicResource AutoCompleteMaxDropdownHeight}" />
         <Setter Property="Template">
@@ -19,11 +21,13 @@
                             Name="PART_TextBox"
                             VerticalAlignment="Stretch"
                             MinHeight="{TemplateBinding MinHeight}"
+                            ClearSelectionOnLostFocus="{TemplateBinding ClearSelectionOnLostFocus}"
                             DataValidationErrors.Errors="{TemplateBinding (DataValidationErrors.Errors)}"
                             Theme="{DynamicResource NonErrorTextBox}"
                             InnerLeftContent="{TemplateBinding InnerLeftContent}"
                             InnerRightContent="{TemplateBinding InnerRightContent}"
-                            Watermark="{TemplateBinding Watermark}" />
+                            PlaceholderForeground="{TemplateBinding PlaceholderForeground}"
+                            PlaceholderText="{TemplateBinding PlaceholderText}" />
                         <Popup
                             Name="PART_Popup"
                             MaxHeight="{TemplateBinding MaxDropDownHeight}"
@@ -54,43 +58,13 @@
         </Setter>
 
         <Style Selector="^.Bordered">
-            <Setter Property="Template">
-                <ControlTemplate TargetType="AutoCompleteBox">
-                    <Panel>
-                        <TextBox
-                            Name="PART_TextBox"
-                            VerticalAlignment="Stretch"
-                            MinHeight="0"
-                            Classes="Bordered"
-                            DataValidationErrors.Errors="{TemplateBinding (DataValidationErrors.Errors)}"
-                            Watermark="{TemplateBinding Watermark}" />
-                        <Popup
-                            Name="PART_Popup"
-                            MaxHeight="{TemplateBinding MaxDropDownHeight}"
-                            InheritsTransform="True"
-                            IsLightDismissEnabled="True"
-                            PlacementTarget="{TemplateBinding}">
-                            <Border
-                                MinWidth="{Binding Bounds.Width, RelativeSource={RelativeSource TemplatedParent}}"
-                                Margin="{DynamicResource AutoCompleteBoxPopupMargin}"
-                                Padding="{DynamicResource AutoCompleteBoxPopupPadding}"
-                                HorizontalAlignment="Stretch"
-                                Background="{DynamicResource AutoCompleteBoxPopupBackground}"
-                                BorderBrush="{DynamicResource AutoCompleteBoxPopupBorderBrush}"
-                                BorderThickness="{DynamicResource AutoCompleteBoxPopupBorderThickness}"
-                                BoxShadow="{DynamicResource AutoCompleteBoxPopupBoxShadow}"
-                                CornerRadius="{DynamicResource AutoCompleteBoxPopupCornerRadius}">
-                                <ListBox
-                                    Name="PART_SelectingItemsControl"
-                                    Foreground="{TemplateBinding Foreground}"
-                                    ItemTemplate="{TemplateBinding ItemTemplate}"
-                                    ScrollViewer.HorizontalScrollBarVisibility="Auto"
-                                    ScrollViewer.VerticalScrollBarVisibility="Auto" />
-                            </Border>
-                        </Popup>
-                    </Panel>
-                </ControlTemplate>
-            </Setter>
+            <Style Selector="^ /template/ TextBox#PART_TextBox">
+                <Setter Property="MinHeight" Value="0" />
+                <Setter Property="iri:ClassHelper.Classes" Value="Bordered" />
+            </Style>
+            <Style Selector="^ /template/ ListBox#PART_SelectingItemsControl">
+                <Setter Property="ScrollViewer.IsScrollChainingEnabled" Value="False" />
+            </Style>
         </Style>
         <Style Selector="^.Large">
             <Setter Property="MinHeight" Value="{DynamicResource AutoCompleteBoxLargeHeight}" />

src/Semi.Avalonia/Controls/Button.axaml

@@ -1,11 +1,97 @@
 <ResourceDictionary
     xmlns="https://github.com/avaloniaui"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
-    <!--  Button Theme Key: Light, Solid, Outline, Borderless; Default is Light  -->
-    <!--  Button Default Classes: Primary, Secondary, Tertiary, Success, Warning, Danger; Default is Primary  -->
-    <!--  State: default, pointerover, pressed, disabled  -->
+    <!--  Theme: Light, Solid, Outline, Borderless; Default is Light  -->
+    <!--  Color Classes: Primary, Secondary, Tertiary, Success, Warning, Danger; Default is Primary  -->
+    <!--  Size Classes: Large, Small  -->
+    <!--  AI style Classes: Colorful  -->
+    <!--  PseudoClasses: :pointerover, :pressed, :disabled  -->
+
+    <Design.PreviewWith>
+        <StackPanel Margin="16" Spacing="16">
+            <WrapPanel ItemSpacing="16">
+                <Button Content="Default" />
+                <Button Content="Primary" Classes="Primary" />
+                <Button Content="Secondary" Classes="Secondary" />
+                <Button Content="Tertiary" Classes="Tertiary" />
+                <Button Content="Success" Classes="Success" />
+                <Button Content="Warning" Classes="Warning" />
+                <Button Content="Danger" Classes="Danger" />
+                <Button Content="Disabled" Classes="Danger" IsEnabled="False" />
+            </WrapPanel>
+            <WrapPanel ItemSpacing="16">
+                <Button Content="Default" Theme="{DynamicResource SolidButton}" />
+                <Button Content="Primary" Classes="Primary" Theme="{DynamicResource SolidButton}" />
+                <Button Content="Secondary" Classes="Secondary" Theme="{DynamicResource SolidButton}" />
+                <Button Content="Tertiary" Classes="Tertiary" Theme="{DynamicResource SolidButton}" />
+                <Button Content="Success" Classes="Success" Theme="{DynamicResource SolidButton}" />
+                <Button Content="Warning" Classes="Warning" Theme="{DynamicResource SolidButton}" />
+                <Button Content="Danger" Classes="Danger" Theme="{DynamicResource SolidButton}" />
+                <Button Content="Disabled" Classes="Danger" Theme="{DynamicResource SolidButton}" IsEnabled="False" />
+            </WrapPanel>
+            <WrapPanel ItemSpacing="16">
+                <Button Content="Default" Theme="{DynamicResource OutlineButton}" />
+                <Button Content="Primary" Classes="Primary" Theme="{DynamicResource OutlineButton}" />
+                <Button Content="Secondary" Classes="Secondary" Theme="{DynamicResource OutlineButton}" />
+                <Button Content="Tertiary" Classes="Tertiary" Theme="{DynamicResource OutlineButton}" />
+                <Button Content="Success" Classes="Success" Theme="{DynamicResource OutlineButton}" />
+                <Button Content="Warning" Classes="Warning" Theme="{DynamicResource OutlineButton}" />
+                <Button Content="Danger" Classes="Danger" Theme="{DynamicResource OutlineButton}" />
+                <Button Content="Disabled" Classes="Danger" Theme="{DynamicResource OutlineButton}" IsEnabled="False" />
+            </WrapPanel>
+            <WrapPanel ItemSpacing="16">
+                <Button Content="Default" Theme="{DynamicResource BorderlessButton}" />
+                <Button Content="Primary" Classes="Primary" Theme="{DynamicResource BorderlessButton}" />
+                <Button Content="Secondary" Classes="Secondary" Theme="{DynamicResource BorderlessButton}" />
+                <Button Content="Tertiary" Classes="Tertiary" Theme="{DynamicResource BorderlessButton}" />
+                <Button Content="Success" Classes="Success" Theme="{DynamicResource BorderlessButton}" />
+                <Button Content="Warning" Classes="Warning" Theme="{DynamicResource BorderlessButton}" />
+                <Button Content="Danger" Classes="Danger" Theme="{DynamicResource BorderlessButton}" />
+                <Button Content="Disabled" Classes="Danger" Theme="{DynamicResource BorderlessButton}" IsEnabled="False" />
+            </WrapPanel>
+            <WrapPanel ItemSpacing="16">
+                <Button Content="Default" Classes="Colorful" />
+                <Button Content="Primary" Classes="Colorful Primary" />
+                <Button Content="Secondary" Classes="Colorful Secondary" />
+                <Button Content="Tertiary" Classes="Colorful Tertiary" />
+                <Button Content="Success" Classes="Colorful Success" />
+                <Button Content="Warning" Classes="Colorful Warning" />
+                <Button Content="Danger" Classes="Colorful Danger" />
+                <Button Content="Disabled" Classes="Colorful Primary" IsEnabled="False" />
+            </WrapPanel>
+            <WrapPanel ItemSpacing="16">
+                <Button Content="Default" Classes="Colorful" Theme="{DynamicResource SolidButton}" />
+                <Button Content="Primary" Classes="Colorful Primary" Theme="{DynamicResource SolidButton}" />
+                <Button Content="Secondary" Classes="Colorful Secondary" Theme="{DynamicResource SolidButton}" />
+                <Button Content="Tertiary" Classes="Colorful Tertiary" Theme="{DynamicResource SolidButton}" />
+                <Button Content="Success" Classes="Colorful Success" Theme="{DynamicResource SolidButton}" />
+                <Button Content="Warning" Classes="Colorful Warning" Theme="{DynamicResource SolidButton}" />
+                <Button Content="Danger" Classes="Colorful Danger" Theme="{DynamicResource SolidButton}" />
+                <Button Content="Disabled" Classes="Colorful Primary" Theme="{DynamicResource SolidButton}" IsEnabled="False" />
+            </WrapPanel>
+            <WrapPanel ItemSpacing="16">
+                <Button Content="Default" Classes="Colorful" Theme="{DynamicResource OutlineButton}" />
+                <Button Content="Primary" Classes="Colorful Primary" Theme="{DynamicResource OutlineButton}" />
+                <Button Content="Secondary" Classes="Colorful Secondary" Theme="{DynamicResource OutlineButton}" />
+                <Button Content="Tertiary" Classes="Colorful Tertiary" Theme="{DynamicResource OutlineButton}" />
+                <Button Content="Success" Classes="Colorful Success" Theme="{DynamicResource OutlineButton}" />
+                <Button Content="Warning" Classes="Colorful Warning" Theme="{DynamicResource OutlineButton}" />
+                <Button Content="Danger" Classes="Colorful Danger" Theme="{DynamicResource OutlineButton}" />
+                <Button Content="Disabled" Classes="Colorful Primary" Theme="{DynamicResource OutlineButton}" IsEnabled="False" />
+            </WrapPanel>
+            <WrapPanel ItemSpacing="16">
+                <Button Content="Default" Classes="Colorful" Theme="{DynamicResource BorderlessButton}" />
+                <Button Content="Primary" Classes="Colorful Primary" Theme="{DynamicResource BorderlessButton}" />
+                <Button Content="Secondary" Classes="Colorful Secondary" Theme="{DynamicResource BorderlessButton}" />
+                <Button Content="Tertiary" Classes="Colorful Tertiary" Theme="{DynamicResource BorderlessButton}" />
+                <Button Content="Success" Classes="Colorful Success" Theme="{DynamicResource BorderlessButton}" />
+                <Button Content="Warning" Classes="Colorful Warning" Theme="{DynamicResource BorderlessButton}" />
+                <Button Content="Danger" Classes="Colorful Danger" Theme="{DynamicResource BorderlessButton}" />
+                <Button Content="Disabled" Classes="Colorful Primary" Theme="{DynamicResource BorderlessButton}" IsEnabled="False" />
+            </WrapPanel>
+        </StackPanel>
+    </Design.PreviewWith>
 
-    <!--  Button Light  -->
     <ControlTheme x:Key="{x:Type Button}" TargetType="Button">
         <Setter Property="Padding" Value="{DynamicResource ButtonDefaultPadding}" />
         <Setter Property="MinHeight" Value="{DynamicResource ButtonDefaultHeight}" />
@@ -37,7 +123,6 @@
                     CornerRadius="{TemplateBinding CornerRadius}"
                     Content="{TemplateBinding Content}"
                     ContentTemplate="{TemplateBinding ContentTemplate}"
-                    RecognizesAccessKey="True"
                     TextElement.FontSize="{TemplateBinding FontSize}"
                     TextElement.FontWeight="{TemplateBinding FontWeight}"
                     UseLayoutRounding="False" />
@@ -47,6 +132,7 @@
         <Style Selector="^ /template/ ContentPresenter#PART_ContentPresenter">
             <Setter Property="Background" Value="{TemplateBinding Background}" />
             <Setter Property="BorderBrush" Value="{TemplateBinding BorderBrush}" />
+            <Setter Property="RecognizesAccessKey" Value="True" />
         </Style>
 
         <Style Selector="^.Primary /template/ ContentPresenter#PART_ContentPresenter">
@@ -68,6 +154,12 @@
             <Setter Property="Foreground" Value="{DynamicResource ButtonDefaultDangerForeground}" />
         </Style>
 
+        <Style Selector="^.Colorful">
+            <Style Selector="^.Primary /template/ ContentPresenter#PART_ContentPresenter">
+                <Setter Property="Foreground" Value="{DynamicResource ButtonDefaultColorfulPrimaryForeground}" />
+            </Style>
+        </Style>
+
         <Style Selector="^:pointerover /template/ ContentPresenter#PART_ContentPresenter">
             <Setter Property="Background" Value="{DynamicResource ButtonDefaultPointeroverBackground}" />
             <Setter Property="BorderBrush" Value="{DynamicResource ButtonDefaultPointeroverBorderBrush}" />
@@ -209,6 +301,39 @@
             </Style>
         </Style>
 
+        <Style Selector="^.Colorful">
+            <Style Selector="^.Primary">
+                <Style Selector="^ /template/ ContentPresenter#PART_ContentPresenter">
+                    <Setter Property="Foreground" Value="{DynamicResource ButtonSolidForeground}" />
+                    <Setter Property="Background" Value="{DynamicResource ButtonSolidColorfulPrimaryBackground}" />
+                    <Setter Property="BorderBrush" Value="{DynamicResource ButtonSolidColorfulPrimaryBackground}" />
+                </Style>
+                <Style Selector="^:pointerover /template/ ContentPresenter#PART_ContentPresenter">
+                    <Setter Property="Background" Value="{DynamicResource ButtonSolidColorfulPrimaryPointeroverBackground}" />
+                    <Setter Property="BorderBrush" Value="{DynamicResource ButtonSolidColorfulPrimaryPointeroverBackground}" />
+                </Style>
+                <Style Selector="^:pressed /template/ ContentPresenter#PART_ContentPresenter">
+                    <Setter Property="Background" Value="{DynamicResource ButtonSolidColorfulPrimaryPressedBackground}" />
+                    <Setter Property="BorderBrush" Value="{DynamicResource ButtonSolidColorfulPrimaryPressedBackground}" />
+                </Style>
+            </Style>
+            <Style Selector="^.Tertiary">
+                <Style Selector="^ /template/ ContentPresenter#PART_ContentPresenter">
+                    <Setter Property="Foreground" Value="{DynamicResource ButtonSolidColorfulTertiaryForeground}" />
+                    <Setter Property="Background" Value="{DynamicResource ButtonSolidColorfulTertiaryBackground}" />
+                    <Setter Property="BorderBrush" Value="{DynamicResource ButtonSolidColorfulTertiaryBackground}" />
+                </Style>
+                <Style Selector="^:pointerover /template/ ContentPresenter#PART_ContentPresenter">
+                    <Setter Property="Background" Value="{DynamicResource ButtonSolidColorfulTertiaryPointeroverBackground}" />
+                    <Setter Property="BorderBrush" Value="{DynamicResource ButtonSolidColorfulTertiaryPointeroverBackground}" />
+                </Style>
+                <Style Selector="^:pressed /template/ ContentPresenter#PART_ContentPresenter">
+                    <Setter Property="Background" Value="{DynamicResource ButtonSolidColorfulTertiaryPressedBackground}" />
+                    <Setter Property="BorderBrush" Value="{DynamicResource ButtonSolidColorfulTertiaryPressedBackground}" />
+                </Style>
+            </Style>
+        </Style>
+
         <Style Selector="^:disabled /template/ ContentPresenter#PART_ContentPresenter">
             <Setter Property="Foreground" Value="{DynamicResource ButtonSolidDisabledForeground}" />
             <Setter Property="Background" Value="{DynamicResource ButtonSolidDisabledBackground}" />
@@ -241,6 +366,14 @@
         <Style Selector="^.Danger /template/ ContentPresenter#PART_ContentPresenter">
             <Setter Property="BorderBrush" Value="{DynamicResource ButtonOutlineDangerBorderBrush}" />
         </Style>
+
+        <Style Selector="^.Colorful">
+            <Style Selector="^.Primary /template/ ContentPresenter#PART_ContentPresenter">
+                <Setter Property="Foreground" Value="{DynamicResource ButtonOutlineColorfulPrimaryForeground}" />
+                <Setter Property="BorderBrush" Value="{DynamicResource ButtonOutlineColorfulPrimaryBorderBrush}" />
+            </Style>
+        </Style>
+
         <Style Selector="^:disabled /template/ ContentPresenter#PART_ContentPresenter">
             <Setter Property="Foreground" Value="{DynamicResource ButtonDefaultDisabledForeground}" />
             <Setter Property="Background" Value="{DynamicResource ButtonOutlineBackground}" />
@@ -261,7 +394,6 @@
             <Setter Property="Background" Value="{DynamicResource ButtonBorderlessBackground}" />
             <Setter Property="BorderBrush" Value="{DynamicResource ButtonBorderlessBorderBrush}" />
         </Style>
-
     </ControlTheme>
 
     <ControlTheme x:Key="InnerIconButton" TargetType="Button">

src/Semi.Avalonia/Controls/CalendarDatePicker.axaml

@@ -9,6 +9,7 @@
     <ControlTheme x:Key="{x:Type CalendarDatePicker}" TargetType="CalendarDatePicker">
         <Setter Property="Background" Value="{DynamicResource CalendarDatePickerBackground}" />
         <Setter Property="Foreground" Value="{DynamicResource CalendarDatePickerForeground}" />
+        <Setter Property="PlaceholderForeground" Value="{DynamicResource TextBoxPlaceholderForeground}" />
         <Setter Property="BorderBrush" Value="{DynamicResource CalendarDatePickerBorderBrush}" />
         <Setter Property="BorderThickness" Value="{DynamicResource CalendarDatePickerBorderThickness}" />
         <Setter Property="CornerRadius" Value="{DynamicResource CalendarDatePickerCornerRadius}" />
@@ -52,8 +53,9 @@
                                 CornerRadius="{TemplateBinding CornerRadius}"
                                 Foreground="{TemplateBinding Foreground}"
                                 Theme="{DynamicResource NonErrorTextBox}"
-                                UseFloatingWatermark="{TemplateBinding UseFloatingWatermark}"
-                                Watermark="{TemplateBinding Watermark}">
+                                UseFloatingPlaceholder="{TemplateBinding UseFloatingPlaceholder}"
+                                PlaceholderForeground="{TemplateBinding PlaceholderForeground}"
+                                PlaceholderText="{TemplateBinding PlaceholderText}">
                                 <TextBox.Styles>
                                     <Style Selector="TextBox#PART_TextBox:pointerover /template/ Border#PART_ContentPresenterBorder">
                                         <!--  By default the TextBox has its own focused state, override this to disable it here  -->
@@ -171,7 +173,7 @@
                 <Setter Property="BorderBrush" Value="Transparent" />
             </Style>
             <Style Selector="^:pointerover /template/ Border#Background">
-                <Setter Property="Background" Value="{DynamicResource DataValidationErrorsPointerOverBackground}" />
+                <Setter Property="Background" Value="{DynamicResource DataValidationErrorsPointeroverBackground}" />
                 <Setter Property="BorderBrush" Value="Transparent" />
             </Style>
             <Style Selector="^:pressed /template/ Border#Background">
@@ -213,8 +215,8 @@
                     <Setter Property="BorderBrush" Value="{DynamicResource DataValidationErrorsBorderBrush}" />
                 </Style>
                 <Style Selector="^:pointerover /template/ Border#Background">
-                    <Setter Property="Background" Value="{DynamicResource DataValidationErrorsPointerOverBackground}" />
-                    <Setter Property="BorderBrush" Value="{DynamicResource DataValidationErrorsPointerOverBorderBrush}" />
+                    <Setter Property="Background" Value="{DynamicResource DataValidationErrorsPointeroverBackground}" />
+                    <Setter Property="BorderBrush" Value="{DynamicResource DataValidationErrorsPointeroverBorderBrush}" />
                 </Style>
                 <Style Selector="^:pressed /template/ Border#Background">
                     <Setter Property="Background" Value="{DynamicResource DataValidationErrorsPressedBackground}" />

src/Semi.Avalonia/Controls/CaptionButtons.axaml

@@ -1,100 +0,0 @@
-<ResourceDictionary
-    xmlns="https://github.com/avaloniaui"
-    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
-    <Design.PreviewWith>
-        <CaptionButtons />
-    </Design.PreviewWith>
-
-    <ControlTheme x:Key="CaptionButton" TargetType="Button">
-        <Setter Property="Foreground" Value="{DynamicResource CaptionButtonForeground}" />
-        <Setter Property="Background" Value="Transparent" />
-        <Setter Property="CornerRadius" Value="{StaticResource CaptionButtonCornerRadius}" />
-        <Setter Property="Padding" Value="{StaticResource CaptionButtonPadding}" />
-        <Setter Property="Width" Value="{StaticResource CaptionButtonWidth}" />
-        <Setter Property="Height" Value="{StaticResource CaptionButtonHeight}" />
-        <Setter Property="Cursor" Value="Hand" />
-        <Setter Property="VerticalAlignment" Value="Stretch" />
-        <Setter Property="Template">
-            <ControlTemplate TargetType="Button">
-                <ContentPresenter
-                    Name="PART_ContentPresenter"
-                    Padding="{TemplateBinding Padding}"
-                    Foreground="{TemplateBinding Foreground}"
-                    Background="{TemplateBinding Background}"
-                    BorderBrush="{TemplateBinding BorderBrush}"
-                    BorderThickness="{TemplateBinding BorderThickness}"
-                    Content="{TemplateBinding Content}"
-                    ContentTemplate="{TemplateBinding ContentTemplate}"
-                    CornerRadius="{TemplateBinding CornerRadius}" />
-            </ControlTemplate>
-        </Setter>
-
-        <Style Selector="^:pointerover">
-            <Setter Property="Background" Value="{DynamicResource CaptionButtonPointeroverBackground}" />
-        </Style>
-
-        <Style Selector="^:pressed">
-            <Setter Property="Background" Value="{DynamicResource CaptionButtonPressedBackground}" />
-        </Style>
-    </ControlTheme>
-
-    <ControlTheme x:Key="{x:Type CaptionButtons}" TargetType="CaptionButtons">
-        <Setter Property="Foreground" Value="{DynamicResource CaptionButtonForeground}" />
-        <Setter Property="Template">
-            <ControlTemplate TargetType="CaptionButtons">
-                <StackPanel Orientation="Horizontal">
-                    <Button Name="PART_FullScreenButton" Theme="{StaticResource CaptionButton}">
-                        <PathIcon
-                            Name="PART_FullScreenButtonIcon"
-                            Theme="{StaticResource InnerPathIcon}"
-                            Data="{StaticResource WindowExpandGlyph}"
-                            Foreground="{Binding $parent[Button].Foreground}" />
-                    </Button>
-                    <Button Name="PART_MinimizeButton" Theme="{StaticResource CaptionButton}">
-                        <PathIcon
-                            Name="PART_MinimizeButtonIcon"
-                            Theme="{StaticResource InnerPathIcon}"
-                            Data="{StaticResource WindowMinimizeGlyph}"
-                            Foreground="{Binding $parent[Button].Foreground}" />
-                    </Button>
-                    <Button Name="PART_RestoreButton" Theme="{StaticResource CaptionButton}">
-                        <PathIcon
-                            Name="PART_RestoreButtonIcon"
-                            Theme="{StaticResource InnerPathIcon}"
-                            Data="{StaticResource WindowMaximizeGlyph}"
-                            Foreground="{Binding $parent[Button].Foreground}" />
-                    </Button>
-                    <Button Name="PART_CloseButton" Theme="{StaticResource CaptionButton}">
-                        <PathIcon
-                            Name="PART_CloseButtonIcon"
-                            Theme="{StaticResource InnerPathIcon}"
-                            Data="{StaticResource WindowCloseIconGlyph}"
-                            Foreground="{Binding $parent[Button].Foreground}" />
-                    </Button>
-                </StackPanel>
-            </ControlTemplate>
-        </Setter>
-
-        <Style Selector="^ /template/ Button#PART_CloseButton:pointerover">
-            <Setter Property="Foreground" Value="{DynamicResource CaptionButtonCloseForeground}" />
-            <Setter Property="Background" Value="{DynamicResource CaptionButtonClosePointeroverBackground}" />
-        </Style>
-        <Style Selector="^ /template/ Button#PART_CloseButton:pressed">
-            <Setter Property="Foreground" Value="{DynamicResource CaptionButtonCloseForeground}" />
-            <Setter Property="Background" Value="{DynamicResource CaptionButtonClosePressedBackground}" />
-        </Style>
-
-        <Style Selector="^:maximized /template/ PathIcon#PART_RestoreButtonIcon">
-            <Setter Property="Data" Value="{StaticResource WindowRestoreGlyph}" />
-        </Style>
-        <Style Selector="^:fullscreen /template/ PathIcon#PART_FullScreenButtonIcon">
-            <Setter Property="Data" Value="{StaticResource WindowCollapseGlyph}" />
-        </Style>
-        <Style Selector="^:fullscreen /template/ Button#PART_RestoreButton">
-            <Setter Property="IsVisible" Value="False" />
-        </Style>
-        <Style Selector="^:fullscreen /template/ Button#PART_MinimizeButton">
-            <Setter Property="IsVisible" Value="False" />
-        </Style>
-    </ControlTheme>
-</ResourceDictionary>

src/Semi.Avalonia/Controls/Carousel.axaml

@@ -1,7 +1,7 @@
 <ResourceDictionary
     xmlns="https://github.com/avaloniaui"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-    xmlns:converter="clr-namespace:Semi.Avalonia.Converters">
+    xmlns:semi="https://irihi.tech/semi">
     <Design.PreviewWith>
         <StackPanel Spacing="20" Width="800" Height="800">
             <StackPanel.Styles>
@@ -197,8 +197,8 @@
                         HorizontalAlignment="Center"
                         VerticalAlignment="Center"
                         ItemContainerTheme="{DynamicResource CarouselIndicatorDotListBoxItem}"
-                        ItemsSource="{TemplateBinding ItemCount, Converter={x:Static converter:ItemConverter.ItemToObjectConverter}}"
-                        IsVisible="{TemplateBinding ItemCount, Converter={x:Static converter:ItemConverter.ItemVisibleConverter}}"
+                        ItemsSource="{TemplateBinding ItemCount, Converter={x:Static semi:ItemConverter.ItemToObjectConverter}}"
+                        IsVisible="{TemplateBinding ItemCount, Converter={x:Static semi:ItemConverter.ItemVisibleConverter}}"
                         SelectedIndex="{TemplateBinding SelectedIndex, Mode=TwoWay}">
                         <ListBox.ItemsPanel>
                             <ItemsPanelTemplate>
@@ -213,7 +213,7 @@
                         Theme="{DynamicResource CarouselButton}"
                         Margin="{DynamicResource CarouselButtonMargin}"
                         Foreground="{DynamicResource CarouselButtonForeground}"
-                        IsVisible="{TemplateBinding ItemCount, Converter={x:Static converter:ItemConverter.ItemVisibleConverter}}"
+                        IsVisible="{TemplateBinding ItemCount, Converter={x:Static semi:ItemConverter.ItemVisibleConverter}}"
                         Command="{Binding $parent[Carousel].Previous}" />
                     <Button
                         Grid.Row="0"
@@ -222,7 +222,7 @@
                         Theme="{DynamicResource CarouselButton}"
                         Margin="{DynamicResource CarouselButtonMargin}"
                         Foreground="{DynamicResource CarouselButtonForeground}"
-                        IsVisible="{TemplateBinding ItemCount, Converter={x:Static converter:ItemConverter.ItemVisibleConverter}}"
+                        IsVisible="{TemplateBinding ItemCount, Converter={x:Static semi:ItemConverter.ItemVisibleConverter}}"
                         Command="{Binding $parent[Carousel].Next}"
                         RenderTransform="rotate(180deg)" />
                 </Grid>

src/Semi.Avalonia/Controls/CheckBox.axaml

@@ -62,13 +62,16 @@
                             ContentTemplate="{TemplateBinding ContentTemplate}"
                             IsVisible="{TemplateBinding Content,Converter={x:Static ObjectConverters.IsNotNull}}"
                             FontSize="{TemplateBinding FontSize}"
-                            RecognizesAccessKey="True"
                             TextWrapping="Wrap" />
                     </Grid>
                 </Border>
             </ControlTemplate>
         </Setter>
 
+        <Style Selector="^ /template/ ContentPresenter#PART_ContentPresenter">
+            <Setter Property="RecognizesAccessKey" Value="True" />
+        </Style>
+
         <Style Selector="^:unchecked">
             <Style Selector="^:pointerover /template/ Border#NormalRectangle">
                 <Setter Property="BorderBrush" Value="{DynamicResource CheckBoxPointeroverBorderBrush}" />
@@ -219,13 +222,16 @@
                             Foreground="{TemplateBinding Foreground}"
                             IsVisible="{TemplateBinding Content,Converter={x:Static ObjectConverters.IsNotNull}}"
                             FontSize="{TemplateBinding FontSize}"
-                            RecognizesAccessKey="True"
                             TextWrapping="Wrap" />
                     </Grid>
                 </Border>
             </ControlTemplate>
         </Setter>
 
+        <Style Selector="^ /template/ ContentPresenter#PART_ContentPresenter">
+            <Setter Property="RecognizesAccessKey" Value="True" />
+        </Style>
+
         <Style Selector="^:unchecked">
             <Style Selector="^:pointerover">
                 <Style Selector="^ /template/ Border#NormalRectangle">
@@ -337,12 +343,15 @@
                     Content="{TemplateBinding Content}"
                     ContentTemplate="{TemplateBinding ContentTemplate}"
                     CornerRadius="{TemplateBinding CornerRadius}"
-                    RecognizesAccessKey="True"
                     UseLayoutRounding="False"
                     TextWrapping="Wrap" />
             </ControlTemplate>
         </Setter>
 
+        <Style Selector="^ /template/ ContentPresenter#PART_ContentPresenter">
+            <Setter Property="RecognizesAccessKey" Value="True" />
+        </Style>
+
         <Style Selector="^:unchecked">
             <Style Selector="^:pointerover /template/ ContentPresenter#PART_ContentPresenter">
                 <Setter Property="Background" Value="{DynamicResource CheckBoxCardPointeroverBackground}" />

src/Semi.Avalonia/Controls/ComboBox.axaml

@@ -92,7 +92,7 @@
                             VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}"
                             Foreground="{TemplateBinding Foreground}"
                             Text="{TemplateBinding Text, Mode=TwoWay}"
-                            Watermark="{TemplateBinding PlaceholderText}"
+                            PlaceholderText="{TemplateBinding PlaceholderText}"
                             IsVisible="{TemplateBinding IsEditable}" />
 
                         <Button
@@ -217,7 +217,7 @@
                 <Setter Property="Background" Value="{DynamicResource DataValidationErrorsBackground}" />
             </Style>
             <Style Selector="^:pointerover /template/ Border#Background">
-                <Setter Property="Background" Value="{DynamicResource DataValidationErrorsPointerOverBackground}" />
+                <Setter Property="Background" Value="{DynamicResource DataValidationErrorsPointeroverBackground}" />
                 <Setter Property="BorderBrush" Value="Transparent" />
             </Style>
             <Style Selector="^:pressed /template/ Border#Background">
@@ -273,8 +273,8 @@
                     <Setter Property="BorderBrush" Value="{DynamicResource DataValidationErrorsBorderBrush}" />
                 </Style>
                 <Style Selector="^:pointerover /template/ Border#Background">
-                    <Setter Property="Background" Value="{DynamicResource DataValidationErrorsPointerOverBackground}" />
-                    <Setter Property="BorderBrush" Value="{DynamicResource DataValidationErrorsPointerOverBorderBrush}" />
+                    <Setter Property="Background" Value="{DynamicResource DataValidationErrorsPointeroverBackground}" />
+                    <Setter Property="BorderBrush" Value="{DynamicResource DataValidationErrorsPointeroverBorderBrush}" />
                 </Style>
                 <Style Selector="^:pressed /template/ Border#Background">
                     <Setter Property="Background" Value="{DynamicResource DataValidationErrorsPressedBackground}" />

src/Semi.Avalonia/Controls/CommandBar.axaml

@@ -0,0 +1,369 @@
+<ResourceDictionary
+    xmlns="https://github.com/avaloniaui"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:collections="clr-namespace:Avalonia.Collections;assembly=Avalonia.Base">
+
+    <Design.PreviewWith>
+        <GroupBox Height="500">
+            <GroupBox.Header>
+                <StackPanel>
+                    <ComboBox
+                        Name="lc"
+                        ItemsSource="{DynamicResource LabelPositionList}"
+                        SelectedValue="{x:Static CommandBarDefaultLabelPosition.Bottom}">
+                        <ComboBox.Resources>
+                            <collections:AvaloniaList x:TypeArguments="CommandBarDefaultLabelPosition" x:Key="LabelPositionList">
+                                <CommandBarDefaultLabelPosition>Bottom</CommandBarDefaultLabelPosition>
+                                <CommandBarDefaultLabelPosition>Collapsed</CommandBarDefaultLabelPosition>
+                                <CommandBarDefaultLabelPosition>Right</CommandBarDefaultLabelPosition>
+                            </collections:AvaloniaList>
+                        </ComboBox.Resources>
+                    </ComboBox>
+                    <ToggleSwitch Name="idfe" IsChecked="True" />
+                    <Slider Name="ws" Width="500" Minimum="0" Maximum="500" Value="200" />
+                </StackPanel>
+            </GroupBox.Header>
+            <StackPanel Orientation="Horizontal" VerticalAlignment="Top">
+                <CommandBar
+                    DefaultLabelPosition="{Binding #lc.SelectedValue}"
+                    IsDynamicOverflowEnabled="{Binding #idfe.IsChecked}"
+                    Width="{Binding #ws.Value}">
+                    <AppBarButton Label="New" Icon="{DynamicResource SemiIconPlus}" />
+                    <AppBarButton Label="Save" Icon="{DynamicResource SemiIconSave}" />
+                    <AppBarSeparator />
+                    <AppBarToggleButton Label="Bold" Icon="{DynamicResource SemiIconBold}" />
+                    <AppBarToggleButton Label="Italic" Icon="{DynamicResource SemiIconItalic}" />
+                    <AppBarToggleButton IsEnabled="False" IsChecked="True" Label="Underline" Icon="{DynamicResource SemiIconUnderline}" />
+                    <AppBarSeparator />
+                    <AppBarButton Label="Share" Icon="{DynamicResource SemiIconShare}" />
+                    <AppBarButton Label="Export" Icon="{DynamicResource SemiIconExport}" />
+                    <AppBarButton Label="Print" Icon="{DynamicResource SemiIconPrint}" />
+                    <AppBarSeparator />
+                    <AppBarButton Label="Delete" Icon="{DynamicResource SemiIconDelete}" />
+                </CommandBar>
+            </StackPanel>
+        </GroupBox>
+    </Design.PreviewWith>
+
+    <ControlTheme x:Key="AppBarButtonBaseTheme" TargetType="Button">
+        <Setter Property="Template">
+            <ControlTemplate TargetType="Button">
+                <Border
+                    Name="PART_Border"
+                    Background="{TemplateBinding Background}"
+                    BorderBrush="{TemplateBinding BorderBrush}"
+                    BorderThickness="{TemplateBinding BorderThickness}"
+                    CornerRadius="{TemplateBinding CornerRadius}"
+                    Padding="{TemplateBinding Padding}">
+                    <StackPanel
+                        Name="PART_LayoutRoot"
+                        Spacing="{DynamicResource AppBarButtonPanelSpacing}"
+                        HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"
+                        VerticalAlignment="{TemplateBinding VerticalContentAlignment}">
+                        <ContentPresenter
+                            Name="PART_IconPresenter"
+                            Foreground="{TemplateBinding Foreground}">
+                            <ContentPresenter.DataTemplates>
+                                <DataTemplate DataType="Geometry">
+                                    <PathIcon
+                                        Theme="{DynamicResource InnerPathIcon}"
+                                        Data="{Binding}" />
+                                </DataTemplate>
+                            </ContentPresenter.DataTemplates>
+                        </ContentPresenter>
+                        <TextBlock
+                            Name="PART_Label"
+                            Foreground="{TemplateBinding Foreground}"
+                            FontSize="{DynamicResource AppBarButtonLabelFontSize}"
+                            TextTrimming="CharacterEllipsis" />
+                    </StackPanel>
+                </Border>
+            </ControlTemplate>
+        </Setter>
+
+        <Setter Property="Background" Value="{DynamicResource AppBarButtonBackground}" />
+        <Setter Property="Foreground" Value="{DynamicResource AppBarButtonForeground}" />
+        <Setter Property="BorderBrush" Value="Transparent" />
+        <Setter Property="BorderThickness" Value="0" />
+        <Setter Property="Padding" Value="{DynamicResource AppBarButtonPadding}" />
+        <Setter Property="Width" Value="{DynamicResource AppBarButtonWidth}" />
+        <Setter Property="MinHeight" Value="{DynamicResource AppBarButtonMinHeight}" />
+
+        <Setter Property="CornerRadius" Value="{DynamicResource AppBarButtonCornerRadius}" />
+        <Setter Property="HorizontalContentAlignment" Value="Center" />
+        <Setter Property="VerticalContentAlignment" Value="Center" />
+        <Setter Property="Cursor" Value="Hand" />
+
+        <Style Selector="^:pointerover /template/ Border#PART_Border">
+            <Setter Property="Background" Value="{DynamicResource AppBarButtonPointeroverBackground}" />
+        </Style>
+
+        <Style Selector="^:pressed /template/ Border#PART_Border">
+            <Setter Property="Background" Value="{DynamicResource AppBarButtonPressedBackground}" />
+        </Style>
+
+        <Style Selector="^:disabled">
+            <Style Selector="^ /template/ ContentPresenter#PART_IconPresenter">
+                <Setter Property="Foreground" Value="{DynamicResource AppBarButtonDisabledForeground}" />
+            </Style>
+            <Style Selector="^ /template/ TextBlock#PART_Label">
+                <Setter Property="Foreground" Value="{DynamicResource AppBarButtonDisabledForeground}" />
+            </Style>
+        </Style>
+    </ControlTheme>
+
+    <!--  AppBarButton  -->
+    <ControlTheme
+        x:Key="{x:Type AppBarButton}"
+        BasedOn="{StaticResource AppBarButtonBaseTheme}"
+        TargetType="AppBarButton">
+
+        <Style Selector="^ /template/ TextBlock#PART_Label">
+            <Setter Property="Text" Value="{TemplateBinding Label}" />
+        </Style>
+        <Style Selector="^ /template/ ContentPresenter#PART_IconPresenter">
+            <Setter Property="Content" Value="{TemplateBinding Icon}" />
+        </Style>
+
+        <!--  IsCompact: hide label, use compact width  -->
+        <Style Selector="^[IsCompact=True]">
+            <Setter Property="Width" Value="{DynamicResource AppBarButtonCompactWidth}" />
+            <Style Selector="^ /template/ TextBlock#PART_Label">
+                <Setter Property="IsVisible" Value="False" />
+            </Style>
+        </Style>
+
+        <!--  LabelPosition=Collapsed: hide label, use compact width  -->
+        <Style Selector="^[LabelPosition=Collapsed]">
+            <Setter Property="Width" Value="{DynamicResource AppBarButtonCompactWidth}" />
+            <Style Selector="^ /template/ TextBlock#PART_Label">
+                <Setter Property="IsVisible" Value="False" />
+            </Style>
+        </Style>
+
+        <!--  LabelPosition=Right: horizontal layout, auto-width  -->
+        <Style Selector="^[LabelPosition=Right]">
+            <Setter Property="Width" Value="{x:Static x:Double.NaN}" />
+            <Setter Property="MinWidth" Value="{DynamicResource AppBarButtonCompactWidth}" />
+            <Style Selector="^ /template/ StackPanel#PART_LayoutRoot">
+                <Setter Property="Orientation" Value="Horizontal" />
+            </Style>
+            <Style Selector="^ /template/ ContentPresenter#PART_IconPresenter">
+                <Setter Property="VerticalAlignment" Value="Center" />
+            </Style>
+            <Style Selector="^ /template/ TextBlock#PART_Label">
+                <Setter Property="VerticalAlignment" Value="Center" />
+            </Style>
+        </Style>
+
+        <!--  IsInOverflow: full-width horizontal layout for use inside overflow popup  -->
+        <Style Selector="^[IsInOverflow=True]">
+            <Setter Property="HorizontalContentAlignment" Value="Left" />
+            <Setter Property="Width" Value="{x:Static x:Double.NaN}" />
+            <Setter Property="MinHeight" Value="{DynamicResource AppBarButtonOverflowMinHeight}" />
+            <Setter Property="Padding" Value="{DynamicResource AppBarButtonOverflowPadding}" />
+            <Style Selector="^ /template/ StackPanel#PART_LayoutRoot">
+                <Setter Property="Orientation" Value="Horizontal" />
+            </Style>
+            <Style Selector="^ /template/ ContentPresenter#PART_IconPresenter">
+                <Setter Property="VerticalAlignment" Value="Center" />
+            </Style>
+            <Style Selector="^ /template/ TextBlock#PART_Label">
+                <Setter Property="VerticalAlignment" Value="Center" />
+            </Style>
+        </Style>
+    </ControlTheme>
+
+    <!--  AppBarToggleButton  -->
+    <ControlTheme
+        x:Key="{x:Type AppBarToggleButton}"
+        BasedOn="{StaticResource AppBarButtonBaseTheme}"
+        TargetType="AppBarToggleButton">
+
+        <Style Selector="^ /template/ TextBlock#PART_Label">
+            <Setter Property="Text" Value="{TemplateBinding Label}" />
+        </Style>
+        <Style Selector="^ /template/ ContentPresenter#PART_IconPresenter">
+            <Setter Property="Content" Value="{TemplateBinding Icon}" />
+        </Style>
+
+        <Style Selector="^:checked">
+            <Style Selector="^ /template/ Border#PART_Border">
+                <Setter Property="Background" Value="{DynamicResource AppBarToggleButtonCheckedBackground}" />
+            </Style>
+            <Style Selector="^ /template/ ContentPresenter#PART_IconPresenter">
+                <Setter Property="Foreground" Value="{DynamicResource AppBarToggleButtonCheckedForeground}" />
+            </Style>
+            <Style Selector="^:pointerover /template/ Border#PART_Border">
+                <Setter Property="Background" Value="{DynamicResource AppBarToggleButtonCheckedPointeroverBackground}" />
+            </Style>
+            <Style Selector="^:pressed /template/ Border#PART_Border">
+                <Setter Property="Background" Value="{DynamicResource AppBarToggleButtonCheckedPressedBackground}" />
+            </Style>
+            <Style Selector="^:disabled /template/ ContentPresenter#PART_IconPresenter">
+                <Setter Property="Foreground" Value="{DynamicResource AppBarToggleButtonCheckedDisabledForeground}" />
+            </Style>
+        </Style>
+
+        <!--  IsCompact: hide label, use compact width  -->
+        <Style Selector="^[IsCompact=True]">
+            <Setter Property="Width" Value="{DynamicResource AppBarButtonCompactWidth}" />
+            <Style Selector="^ /template/ TextBlock#PART_Label">
+                <Setter Property="IsVisible" Value="False" />
+            </Style>
+        </Style>
+
+        <!--  LabelPosition=Collapsed: hide label, use compact width  -->
+        <Style Selector="^[LabelPosition=Collapsed]">
+            <Setter Property="Width" Value="{DynamicResource AppBarButtonCompactWidth}" />
+            <Style Selector="^ /template/ TextBlock#PART_Label">
+                <Setter Property="IsVisible" Value="False" />
+            </Style>
+        </Style>
+
+        <!--  LabelPosition=Right: horizontal layout, auto-width  -->
+        <Style Selector="^[LabelPosition=Right]">
+            <Setter Property="Width" Value="{x:Static x:Double.NaN}" />
+            <Setter Property="MinWidth" Value="{DynamicResource AppBarButtonCompactWidth}" />
+            <Style Selector="^ /template/ StackPanel#PART_LayoutRoot">
+                <Setter Property="Orientation" Value="Horizontal" />
+            </Style>
+            <Style Selector="^ /template/ ContentPresenter#PART_IconPresenter">
+                <Setter Property="VerticalAlignment" Value="Center" />
+            </Style>
+            <Style Selector="^ /template/ TextBlock#PART_Label">
+                <Setter Property="VerticalAlignment" Value="Center" />
+            </Style>
+        </Style>
+
+        <!--  IsInOverflow: full-width horizontal layout for use inside overflow popup  -->
+        <Style Selector="^[IsInOverflow=True]">
+            <Setter Property="HorizontalContentAlignment" Value="Left" />
+            <Setter Property="Width" Value="{x:Static x:Double.NaN}" />
+            <Setter Property="MinHeight" Value="{DynamicResource AppBarButtonOverflowMinHeight}" />
+            <Setter Property="Padding" Value="{DynamicResource AppBarButtonOverflowPadding}" />
+            <Style Selector="^ /template/ StackPanel#PART_LayoutRoot">
+                <Setter Property="Orientation" Value="Horizontal" />
+            </Style>
+            <Style Selector="^ /template/ ContentPresenter#PART_IconPresenter">
+                <Setter Property="VerticalAlignment" Value="Center" />
+            </Style>
+            <Style Selector="^ /template/ TextBlock#PART_Label">
+                <Setter Property="VerticalAlignment" Value="Center" />
+            </Style>
+        </Style>
+    </ControlTheme>
+
+    <!--  AppBarSeparator  -->
+    <ControlTheme x:Key="{x:Type AppBarSeparator}" TargetType="AppBarSeparator">
+        <Setter Property="Background" Value="{DynamicResource AppBarSeparatorBackground}" />
+        <Setter Property="Width" Value="{DynamicResource AppBarSeparatorWidth}" />
+        <Setter Property="MinHeight" Value="{DynamicResource AppBarSeparatorMinHeight}" />
+        <Setter Property="Margin" Value="{DynamicResource AppBarSeparatorMargin}" />
+        <Setter Property="Template">
+            <ControlTemplate TargetType="AppBarSeparator">
+                <Border
+                    Background="{TemplateBinding Background}"
+                    Width="{TemplateBinding Width}"
+                    MinHeight="{TemplateBinding MinHeight}" />
+            </ControlTemplate>
+        </Setter>
+
+        <!--  IsInOverflow: horizontal line separator  -->
+        <Style Selector="^[IsInOverflow=True]">
+            <Setter Property="HorizontalAlignment" Value="Stretch" />
+            <Setter Property="Width" Value="{x:Static x:Double.NaN}" />
+            <Setter Property="Height" Value="{DynamicResource AppBarSeparatorOverflowHeight}" />
+            <Setter Property="MinHeight" Value="0" />
+            <Setter Property="Margin" Value="{DynamicResource AppBarSeparatorOverflowMargin}" />
+        </Style>
+    </ControlTheme>
+
+    <!--  CommandBar  -->
+    <ControlTheme x:Key="{x:Type CommandBar}" TargetType="CommandBar">
+        <Setter Property="Background" Value="{DynamicResource CommandBarBackground}" />
+        <Setter Property="Foreground" Value="{DynamicResource CommandBarForeground}" />
+        <Setter Property="BorderBrush" Value="{DynamicResource CommandBarBorderBrush}" />
+        <Setter Property="BorderThickness" Value="{DynamicResource CommandBarBorderThickness}" />
+        <Setter Property="CornerRadius" Value="{DynamicResource CommandBarCornerRadius}" />
+        <Setter Property="MinHeight" Value="{DynamicResource CommandBarMinHeight}" />
+        <Setter Property="Padding" Value="{DynamicResource CommandBarPadding}" />
+        <Setter Property="HorizontalAlignment" Value="Stretch" />
+        <Setter Property="Template">
+            <ControlTemplate TargetType="CommandBar">
+                <Border
+                    Background="{TemplateBinding Background}"
+                    BorderBrush="{TemplateBinding BorderBrush}"
+                    BorderThickness="{TemplateBinding BorderThickness}"
+                    CornerRadius="{TemplateBinding CornerRadius}"
+                    MinHeight="{TemplateBinding MinHeight}"
+                    Padding="{TemplateBinding Padding}">
+                    <Panel>
+                        <DockPanel>
+                            <!--  Overflow button (docked right)  -->
+                            <AppBarButton
+                                Name="PART_OverflowButton"
+                                DockPanel.Dock="Right"
+                                Icon="{DynamicResource CommandBarOverflowButtonGlyph}"
+                                IsCompact="True"
+                                IsVisible="{TemplateBinding IsOverflowButtonVisible}" />
+
+                            <!--  Custom content (docked left)  -->
+                            <ContentPresenter
+                                Name="PART_ContentPresenter"
+                                DockPanel.Dock="Left"
+                                Content="{TemplateBinding Content}"
+                                VerticalAlignment="Center" />
+
+                            <!--  Primary commands (fills remaining space, right-aligned)  -->
+                            <ItemsControl
+                                Name="PART_PrimaryCommands"
+                                ItemsSource="{Binding VisiblePrimaryCommands, RelativeSource={RelativeSource TemplatedParent}}"
+                                HorizontalAlignment="Right"
+                                VerticalAlignment="Stretch"
+                                ClipToBounds="True">
+                                <ItemsControl.ItemsPanel>
+                                    <ItemsPanelTemplate>
+                                        <StackPanel Orientation="Horizontal" Spacing="2" />
+                                    </ItemsPanelTemplate>
+                                </ItemsControl.ItemsPanel>
+                            </ItemsControl>
+                        </DockPanel>
+
+                        <!--  Overflow popup  -->
+                        <Popup
+                            Name="PART_OverflowPopup"
+                            IsOpen="{TemplateBinding IsOpen, Mode=TwoWay}"
+                            PlacementTarget="{Binding #PART_OverflowButton}"
+                            Placement="Bottom"
+                            IsLightDismissEnabled="True"
+                            WindowManagerAddShadowHint="False">
+                            <Border
+                                MinHeight="{DynamicResource CommandBarOverflowMinHeight}"
+                                MaxWidth="{DynamicResource CommandBarOverflowMaxWidth}"
+                                MaxHeight="{DynamicResource CommandBarOverflowMaxHeight}"
+                                Margin="{DynamicResource CommandBarOverflowMargin}"
+                                Padding="{DynamicResource CommandBarOverflowPadding}"
+                                Background="{DynamicResource CommandBarOverflowBackground}"
+                                BorderBrush="{DynamicResource CommandBarOverflowBorderBrush}"
+                                BorderThickness="{DynamicResource CommandBarBorderThickness}"
+                                BoxShadow="{DynamicResource CommandBarOverflowBoxShadow}"
+                                CornerRadius="{DynamicResource CommandBarOverflowCornerRadius}">
+
+                                <ItemsControl
+                                    ItemsSource="{Binding OverflowItems, RelativeSource={RelativeSource TemplatedParent}}">
+                                    <ItemsControl.ItemsPanel>
+                                        <ItemsPanelTemplate>
+                                            <StackPanel />
+                                        </ItemsPanelTemplate>
+                                    </ItemsControl.ItemsPanel>
+                                </ItemsControl>
+                            </Border>
+                        </Popup>
+                    </Panel>
+                </Border>
+            </ControlTemplate>
+        </Setter>
+    </ControlTheme>
+
+</ResourceDictionary>

src/Semi.Avalonia/Controls/ContentPage.axaml

@@ -0,0 +1,43 @@
+<ResourceDictionary
+    xmlns="https://github.com/avaloniaui"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
+    <Design.PreviewWith>
+        <ContentPage
+            Width="400"
+            Height="300"
+            Background="White">
+            <TextBlock
+                HorizontalAlignment="Center"
+                VerticalAlignment="Center"
+                Text="ContentPage" />
+        </ContentPage>
+    </Design.PreviewWith>
+
+    <ControlTheme x:Key="{x:Type ContentPage}" TargetType="ContentPage">
+        <Setter Property="Background" Value="{DynamicResource ContentPageBackground}" />
+        <Setter Property="Foreground" Value="{DynamicResource ContentPageForeground}" />
+        <Setter Property="HorizontalContentAlignment" Value="Stretch" />
+        <Setter Property="VerticalContentAlignment" Value="Stretch" />
+        <Setter Property="Template">
+            <ControlTemplate TargetType="ContentPage">
+                <Grid RowDefinitions="Auto,*,Auto" Background="{TemplateBinding Background}">
+                    <ContentPresenter
+                        Name="PART_TopCommandBar"
+                        Grid.Row="0"
+                        Content="{TemplateBinding TopCommandBar}" />
+                    <ContentPresenter
+                        Name="PART_ContentPresenter"
+                        Grid.Row="1"
+                        Content="{TemplateBinding Content}"
+                        ContentTemplate="{TemplateBinding ContentTemplate}"
+                        HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}"
+                        VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}" />
+                    <ContentPresenter
+                        Name="PART_BottomCommandBar"
+                        Grid.Row="2"
+                        Content="{TemplateBinding BottomCommandBar}" />
+                </Grid>
+            </ControlTemplate>
+        </Setter>
+    </ControlTheme>
+</ResourceDictionary>

src/Semi.Avalonia/Controls/DatePicker.axaml

@@ -2,9 +2,10 @@
     xmlns="https://github.com/avaloniaui"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
     <Design.PreviewWith>
-        <Border Padding="20">
+        <StackPanel Margin="20">
             <DatePickerPresenter />
-        </Border>
+            <DatePicker Width="500" />
+        </StackPanel>
     </Design.PreviewWith>
     <ControlTheme x:Key="{x:Type DatePickerPresenter}" TargetType="DatePickerPresenter">
         <Setter Property="Width" Value="296" />
@@ -141,6 +142,7 @@
         <Setter Property="HorizontalAlignment" Value="Left" />
         <Setter Property="VerticalAlignment" Value="Center" />
         <Setter Property="MinHeight" Value="{DynamicResource DateTimePickerButtonDefaultHeight}" />
+        <Setter Property="MinWidth" Value="296" />
         <Setter Property="Template">
             <ControlTemplate TargetType="DatePicker">
                 <DataValidationErrors>
@@ -152,8 +154,8 @@
                             Name="PART_FlyoutButton"
                             Grid.Column="0"
                             Grid.ColumnSpan="2"
-                            Width="298"
-                            MinWidth="298"
+                            MinWidth="{TemplateBinding MinWidth}"
+                            MaxWidth="{TemplateBinding MaxWidth}"
                             MinHeight="{TemplateBinding MinHeight}"
                             HorizontalAlignment="Stretch"
                             VerticalAlignment="Stretch"
@@ -239,7 +241,8 @@
                             Margin="0,0,9,0"
                             Command="{Binding $parent[DatePicker].Clear}"
                             Content="{DynamicResource IconButtonClearData}"
-                            IsVisible="False" />
+                            IsVisible="False"
+                            Focusable="False" />
                     </Grid>
                 </DataValidationErrors>
             </ControlTemplate>
@@ -258,7 +261,7 @@
             <Setter Property="Foreground" Value="{DynamicResource DateTimePickerButtonDisabledIconForeground}" />
         </Style>
 
-        <!--  Changes foreground for watermark text when SelectedDate is null  -->
+        <!--  Changes foreground for placeholder text when SelectedDate is null  -->
         <Style Selector="^:hasnodate /template/ Button#PART_FlyoutButton TextBlock">
             <Setter Property="Foreground" Value="{DynamicResource DateTimePickerEmptyForeground}" />
         </Style>