准备区分节点、参数、返回值的连接，做个备份

Workbench/Node/Junction/JunctionCode.cs

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+using Serein.Library;
+using Serein.Library.Utils;
+using System;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Input;
+using System.Windows.Media;
+using System.Windows.Shapes;
+
+namespace Serein.Workbench.Node.View
+{
+
+
+
+    public abstract class JunctionControlBase : UserControl
+    {
+
+        public double _MyWidth = 20;
+        public double _MyHeight = 20;
+
+        protected JunctionControlBase()
+        {
+            //this.Width = 20;
+            //this.Height = 20;
+            this.MouseDown += ControlPointBase_MouseDown;
+            this.MouseMove += ControlPointBase_MouseMove; ;
+        }
+        #region 控件属性，所在的节点
+        public static readonly DependencyProperty NodeGuidProperty =
+       DependencyProperty.Register("NodeGuid", typeof(string), typeof(JunctionControlBase), new PropertyMetadata(default(string)));
+
+        /// <summary>
+        /// 所在的节点
+        /// </summary>
+        public string NodeGuid
+        {
+            get { return (string)GetValue(NodeGuidProperty); }
+            set { SetValue(NodeGuidProperty, value.ToString()); }
+        }
+        #endregion
+
+        #region 控件属性，连接器类型
+        public static readonly DependencyProperty JunctionTypeProperty =
+        DependencyProperty.Register("JunctionType", typeof(string), typeof(JunctionControlBase), new PropertyMetadata(default(string)));
+
+        public JunctionType JunctionType
+        {
+            get { return EnumHelper.ConvertEnum<JunctionType>(GetValue(JunctionTypeProperty).ToString()); }
+            set { SetValue(JunctionTypeProperty, value.ToString()); }
+        } 
+        #endregion
+
+        
+
+        public abstract void Render();
+        private void ControlPointBase_MouseMove(object sender, MouseEventArgs e)
+        {
+            if (GlobalJunctionData.MyGlobalData is null) return;
+            GlobalJunctionData.MyGlobalData.ChangingJunction = this;
+        }
+
+        /// <summary>
+        /// 在碰撞点上按下鼠标控件开始进行移动
+        /// </summary>
+        /// <param name="sender"></param>
+        /// <param name="e"></param>
+        private void ControlPointBase_MouseDown(object sender, MouseButtonEventArgs e)
+        {
+            if (e.LeftButton == MouseButtonState.Pressed)
+            {
+                GlobalJunctionData.MyGlobalData = new ConnectingData();
+                var myDataType = GlobalJunctionData.MyGlobalData;
+                myDataType.StartJunction = this;
+                var canvas = MainWindow.GetParentOfType<Canvas>(this);
+                myDataType.StartPoint = this.TranslatePoint(new Point(this.Width /2 , this.Height /2 ), canvas);
+                myDataType.VirtualLine = new MyLine(canvas, new Line // 虚拟线
+                {
+                    Stroke = Brushes.OldLace,
+                    StrokeThickness = 2
+                });
+               
+            }
+            e.Handled = true;
+        }
+    }
+
+   
+
+
+   
+
+
+}