使用emit代替表达式树构造委托。

内置了websocket server与相应的导航功能，可在实例工程中找到相应的实现。

Net462DllTest/Trigger/ViewManagement.cs

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+using Net462DllTest.Signal;
+using Serein.Library.Api;
+using Serein.Library.Attributes;
+using Serein.Library.NodeFlow.Tool;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Forms;
+
+namespace Net462DllTest.Trigger
+{
+    /// <summary>
+    /// 视图管理
+    /// </summary>
+    [AutoRegister]
+    public class ViewManagement : ChannelFlowTrigger<CommandSignal>
+    {
+        public ViewManagement(IFlowEnvironment environment)
+        {
+            
+        }
+        public int Id = new Random().Next(1, 10000);
+        private readonly 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);
+            }
+        }
+    }
+
+}