添加了@Dtc（数据类型转换）、@Data（获取全局数据）表达式

Workbench/Node/ViewModel/GlobalDataNodeControlViewModel.cs

@@ -0,0 +1,18 @@
+using Serein.NodeFlow.Model;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Serein.Workbench.Node.ViewModel
+{
+    public class GlobalDataNodeControlViewModel : NodeControlViewModelBase
+    {
+        public new SingleGlobalDataNode NodelModel { get; }
+        public GlobalDataNodeControlViewModel(SingleGlobalDataNode node) : base(node)
+        {
+            this.NodelModel = node;
+        }
+    }
+}