运行环境新增了画布相关的属性

Library/FlowNode/FlowCanvasModel.cs

@@ -0,0 +1,57 @@
+using Serein.Library.Api;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Serein.Library
+{
+
+    [NodeProperty(ValuePath = NodeValuePath.Node)]
+    public partial class FlowCanvasModel
+    {
+        public FlowCanvasModel(IFlowEnvironment env)
+        {
+            Env = env;
+        }
+        public IFlowEnvironment Env { get; }
+
+        [PropertyInfo(IsProtection = true)]
+        private string _guid;
+
+        [PropertyInfo(IsNotification = true)]
+        private string _name;
+
+        [PropertyInfo(IsNotification = true)]
+        private double _width;
+
+        [PropertyInfo(IsNotification = true)]
+        private double _height;
+
+        /// <summary>
+        /// 预览位置X
+        /// </summary>
+        [PropertyInfo]
+        private double _viewX ;
+
+        /// <summary>
+        /// 预览位置Y
+        /// </summary>
+        [PropertyInfo]
+        private double _viewY ;
+
+        /// <summary>
+        /// 缩放比例X
+        /// </summary>
+        [PropertyInfo]
+        private double _scaleX ;
+
+        /// <summary>
+        /// 缩放比例Y
+        /// </summary>
+        [PropertyInfo]
+        private double _scaleY ;
+
+    }
+}