画线优化基本完成

AIStudio.Wpf.DiagramDesigner/Enums/DrawMode.cs

@@ -13,10 +13,10 @@ namespace AIStudio.Wpf.DiagramDesigner
         Polyline = 4,
         Polygon = 5,
         DirectLine = 6,
-        SmoothConnectingLine = 10,
-        StraightConnectingLine = 11,
-        CornerConnectingLine = 12,
-        BoundaryConnectingLine = 13,        
+        ConnectingLineSmooth = 10,
+        ConnectingLineStraight = 11,
+        ConnectingLineCorner = 12,
+        ConnectingLineBoundary = 13,        
         Text = 20,
     }
 }