示例工程版本提升至net462，项目添加了部分空引用检测逻辑。累了，消不完的空引用警告(T.T）

Net462DllTest/LogicControl/ViewLogicControl.cs

@@ -0,0 +1,98 @@
+using Net462DllTest.Device;
+using Net462DllTest.Signal;
+using Net462DllTest.ViewModel;
+using Serein.Library.Api;
+using Serein.Library.Attributes;
+using Serein.Library.Enums;
+using Serein.Library.Utils;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Windows.Forms;
+
+namespace Net462DllTest.LogicControl 
+{ 
+
+    /// <summary>
+    /// 视图管理
+    /// </summary>
+    [AutoRegister]
+    public class ViewManagement
+    {
+        private List<Form> forms = new List<Form>();
+        /// <summary>
+        /// 打开窗口
+        /// </summary>
+        /// <param name="form">要打开的窗口类型</param>
+        /// <param name="isTop">是否置顶</param>
+        public void OpenView(Form form, bool isTop)
+        {
+            form.TopMost = isTop;
+            form.Show();
+            forms.Add(form);
+        }
+        public void CloseView(Type formType)
+        {
+             var remoteForms =  forms.Where(f => f.GetType() == formType).ToArray();
+            foreach (Form f in remoteForms)
+            {
+                f.Close();
+                f.Dispose();
+                this.forms.Remove(f);
+            }
+        }
+    }
+
+
+   
+
+    [DynamicFlow]
+    public class ViewLogicControl
+    {
+        private readonly ViewManagement ViewManagement;
+        public ViewLogicControl(ViewManagement ViewManagement)
+        {
+            this.ViewManagement = ViewManagement;
+        }
+
+        [NodeAction(NodeType.Init)] 
+        public void Init(IDynamicContext context)
+        {
+            context.Env.IOC.Register<ViewManagement>();
+            context.Env.IOC.Register<FromWorkBenchViewModel>();
+        }
+
+
+        [NodeAction(NodeType.Action, "打开窗体（指定枚举值）")]
+        public void OpenForm(IDynamicContext context, FromValue fromId = FromValue.None, bool isTop = true)
+        {
+            var fromType = EnumHelper.GetBoundValue<FromValue, Type>(fromId, attr => attr.Value);
+            if (fromType is null) return;
+            if (context.Env.IOC.Instantiate(fromType) is Form form)
+            {
+                ViewManagement.OpenView(form, isTop);
+            }
+        }
+
+        [NodeAction(NodeType.Action, "打开窗体（使用转换器）")]
+        public void OpenForm2([EnumTypeConvertor(typeof(FromValue))] Form form, bool isTop = true)
+        {
+            ViewManagement.OpenView(form, isTop);
+        }
+
+
+
+        [NodeAction(NodeType.Action, "关闭窗体")]
+        public void CloseForm(IDynamicContext context, FromValue fromId = FromValue.None)
+        {
+            var fromType = EnumHelper.GetBoundValue<FromValue, Type>(fromId, attr => attr.Value);
+            if (fromType is null) return;
+            ViewManagement.CloseView(fromType);
+        }
+
+
+
+
+
+    }
+}