Workbench项目中，优化了节点的复制、粘贴，加载。

Workbench/Node/Junction/JunctionControlBase.cs

@@ -15,7 +15,21 @@ using System.Threading;
 
 namespace Serein.Workbench.Node.View
 {
+    internal static class MyUIFunc
+    {
+        public static Pen CreateAndFreezePen()
+        {
+            // 创建Pen
+            Pen pen = new Pen(Brushes.Black, 1);
 
+            // 冻结Pen
+            if (pen.CanFreeze)
+            {
+                pen.Freeze();
+            }
+            return pen;
+        }
+    }
     
     public class ParamsArgControl: Shape
     {
@@ -27,8 +41,6 @@ namespace Serein.Workbench.Node.View
             this.MouseMove += ParamsArgControl_MouseMove;
             this.MouseLeave += ParamsArgControl_MouseLeave;
             AddOrRemoveParamsTask = AddAsync;
-
-
         }
 
         
@@ -84,9 +96,9 @@ namespace Serein.Workbench.Node.View
             // 圆形部分
             var ellipse = new EllipseGeometry(circlePoint, connectorSize / 2, connectorSize / 2);
 
-            drawingContext.DrawGeometry(brush, new Pen(Brushes.Black, 1), ellipse);
+            drawingContext.DrawGeometry(brush, MyUIFunc.CreateAndFreezePen(), ellipse);
         }
-
+        
 
         private bool isMouseOver; // 鼠标悬停状态
 

Workbench/Node/Junction/View/ArgJunctionControl.cs

@@ -50,7 +50,7 @@ namespace Serein.Workbench.Node.View
 
             // 绘制连接器的圆形部分
             var ellipse = new EllipseGeometry(circlePoint, connectorSize / 2, connectorSize / 2);
-            drawingContext.DrawGeometry(background, new Pen(Brushes.Black, 1), ellipse);
+            drawingContext.DrawGeometry(background, MyUIFunc.CreateAndFreezePen(), ellipse);
 
             // 定义三角形的间距
             double triangleOffsetX = 4; // 三角形与圆形的间距
@@ -66,7 +66,7 @@ namespace Serein.Workbench.Node.View
                 context.LineTo(new Point(triangleCenterX, triangleCenterY + 4.5), true, false);
                 context.LineTo(new Point(triangleCenterX, triangleCenterY - 4.5), true, false);
             }
-            drawingContext.DrawGeometry(background, new Pen(Brushes.Black, 1), pathGeometry);
+            drawingContext.DrawGeometry(background, MyUIFunc.CreateAndFreezePen(), pathGeometry);
         }
     }
 

Workbench/Node/Junction/View/ExecuteJunctionControl.cs

@@ -46,7 +46,7 @@ namespace Serein.Workbench.Node.View
              var ellipse = new EllipseGeometry(circlePoint, connectorSize / 2, connectorSize / 2);
 
 
-             drawingContext.DrawGeometry(background, new Pen(Brushes.Black, 1), ellipse);
+             drawingContext.DrawGeometry(background, MyUIFunc.CreateAndFreezePen(), ellipse);
 
 
 
@@ -65,7 +65,7 @@ namespace Serein.Workbench.Node.View
                 context.LineTo(new Point(triangleCenterX, triangleCenterY + 4.5), true, false);
                 context.LineTo(new Point(triangleCenterX, triangleCenterY - 4.5), true, false);
             }
-            drawingContext.DrawGeometry(background, new Pen(Brushes.Black, 1), pathGeometry);
+            drawingContext.DrawGeometry(background, MyUIFunc.CreateAndFreezePen(), pathGeometry);
 
             // 绘制标签
             //var formattedText = new FormattedText(

Workbench/Node/Junction/View/NextStepJunctionControl.cs

@@ -34,7 +34,7 @@ namespace Serein.Workbench.Node.View
             var circlePoint = new Point(circleCenterX, circleCenterY);
             // 绘制连接器的圆形部分
             var ellipse = new EllipseGeometry(circlePoint, connectorSize / 2, connectorSize / 2);
-            drawingContext.DrawGeometry(background, new Pen(Brushes.Black, 1), ellipse);
+            drawingContext.DrawGeometry(background, MyUIFunc.CreateAndFreezePen(), ellipse);
 
             // 绘制连接器的圆形部分
             //var ellipse = new EllipseGeometry(circlePoint, connectorSize / 2, connectorSize / 2);
@@ -54,7 +54,7 @@ namespace Serein.Workbench.Node.View
                 context.LineTo(new Point(triangleCenterX, triangleCenterY + 4.5), true, false);
                 context.LineTo(new Point(triangleCenterX, triangleCenterY - 4.5), true, false);
             }
-            drawingContext.DrawGeometry(background, new Pen(Brushes.Black, 1), pathGeometry);
+            drawingContext.DrawGeometry(background, MyUIFunc.CreateAndFreezePen(), pathGeometry);
         }
     }
 }

Workbench/Node/Junction/View/ResultJunctionControl.cs

@@ -39,7 +39,7 @@ namespace Serein.Workbench.Node.View
 
             // 绘制连接器的圆形部分
             var ellipse = new EllipseGeometry(circlePoint, connectorSize / 2, connectorSize / 2);
-            drawingContext.DrawGeometry(background, new Pen(Brushes.Black, 1), ellipse);
+            drawingContext.DrawGeometry(background, MyUIFunc.CreateAndFreezePen(), ellipse);
 
             // 定义三角形的间距
             double triangleOffsetX = 4; // 三角形与圆形的间距
@@ -55,7 +55,7 @@ namespace Serein.Workbench.Node.View
                 context.LineTo(new Point(triangleCenterX, triangleCenterY + 4.5), true, false);
                 context.LineTo(new Point(triangleCenterX, triangleCenterY - 4.5), true, false);
             }
-            drawingContext.DrawGeometry(background, new Pen(Brushes.Black, 1), pathGeometry);
+            drawingContext.DrawGeometry(background, MyUIFunc.CreateAndFreezePen(), pathGeometry);
         }
     }
 }

Workbench/Node/NodeControlBase.cs

@@ -22,6 +22,7 @@ namespace Serein.Workbench.Node.View
 
         public NodeControlViewModelBase ViewModel { get; set; }
 
+
         protected NodeControlBase()
         {
             this.Background = Brushes.Transparent;

Workbench/Node/View/ConnectionControl.cs

@@ -103,9 +103,6 @@ namespace Serein.Workbench.Node.View
     /// </summary>
     public class ConnectionControl
     {
-
-
-
         /// <summary>
         /// 所在的画布
         /// </summary>