sfc界面处理完成，还差顺序逻辑控制过程

AIStudio.Wpf.SFC/ViewModels/Simulate_StartViewModel.cs

@@ -0,0 +1,37 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using Util.DiagramDesigner;
+
+namespace AIStudio.Wpf.SFC.ViewModels
+{
+    public class Simulate_StartViewModel : SFCNode
+    {
+        public Simulate_StartViewModel() : base(SFCNodeKinds.Simulate_Start)
+        {
+            ItemWidth = 32;
+            ItemHeight = 32;
+
+            ExecuteAddLeftInput(null);
+            ExecuteAddRightOutput(null);
+        }
+
+        public Simulate_StartViewModel(IDiagramViewModel parent, DesignerItemBase designer) : base(parent, designer)
+        {
+        }
+
+        private LinkPoint linkPoint;
+        public LinkPoint LinkPoint
+        {
+            get
+            {
+                return linkPoint;
+            }
+            set
+            {
+                SetProperty(ref linkPoint, value);
+            }
+        }
+
+    }
+}