mind 有点样子了

AIStudio.Wpf.DiagramDesigner/ViewModels/BaseViewModel/DesignerItemViewModelBase.cs

@@ -304,6 +304,32 @@ namespace AIStudio.Wpf.DiagramDesigner
 
         public bool ShowArrow { get; set; } = true;
 
+        private bool enabledForConnection = true;
+        public bool EnabledForConnection
+        {
+            get
+            {
+                return enabledForConnection;
+            }
+            set
+            {
+                SetProperty(ref enabledForConnection, value);
+            }
+        }
+
+        private bool enabledForSelection = true;
+        public bool EnabledForSelection
+        {
+            get
+            {
+                return enabledForSelection;
+            }
+            set
+            {
+                SetProperty(ref enabledForSelection, value);
+            }
+        }
+
         private double _left;
         [CanDo]
         public double Left