新增了UI节点

Workbench/Node/ViewModel/UINodeControlViewModel.cs

@@ -0,0 +1,40 @@
+using Serein.Library;
+using Serein.Library.Api;
+using Serein.NodeFlow.Model;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Controls;
+
+namespace Serein.Workbench.Node.ViewModel
+{
+    public class UINodeControlViewModel : NodeControlViewModelBase
+    {
+        private SingleUINode NodeModel => (SingleUINode)base.NodeModel;
+        //public IEmbeddedContent Adapter => NodeModel.Adapter;
+
+        public UINodeControlViewModel(NodeModelBase nodeModel) : base(nodeModel)
+        {
+            //NodeModel.Adapter.GetWindowHandle();
+        }
+
+        public void InitAdapter(Action<UserControl> setUIDisplayHandle)
+        {
+            Task.Factory.StartNew(async () =>
+            {
+                var context = new DynamicContext(NodeModel.Env);
+                await NodeModel.ExecutingAsync(context);
+                if (context.NextOrientation == ConnectionInvokeType.IsSucceed
+                        && NodeModel.Adapter.GetUserControl() is UserControl userControl) 
+                {
+                    NodeModel.Env.UIContextOperation.Invoke(() => 
+                    {
+                        setUIDisplayHandle.Invoke(userControl);
+                    });
+                }
+            });
+        }
+    }
+}