添加节点可删除

AIStudio.Wpf.DiagramDesigner/UserControls/DiagramControl.xaml.cs

@@ -22,6 +22,9 @@ namespace AIStudio.Wpf.DiagramDesigner
         public DiagramControl()
         {
             InitializeComponent();
+
+            //把资源加入全局资源
+            Application.Current.Resources.Add("DefaultConnectorStyle", this.FindResource("DefaultConnectorStyle"));
         }
 
         public static readonly DependencyProperty ZoomValueProperty = DependencyProperty.Register(nameof(ZoomValue), typeof(double), typeof(DiagramControl), new UIPropertyMetadata(1d));