分离出一个小demo

AIStudio.Wpf.DiagramDesigner.Test/ViewModels/MainWindowViewModel.cs

@@ -0,0 +1,44 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Windows;
+
+namespace AIStudio.Wpf.DiagramDesigner.Test.ViewModels
+{
+    class MainWindowViewModel : BindableBase
+    {
+        public ToolBoxViewModel ToolBoxViewModel
+        {
+            get; private set;
+        }
+
+        public DiagramViewModel DiagramViewModel
+        {
+            get; private set;
+        }
+
+        protected IDiagramServiceProvider _service
+        {
+            get
+            {
+                return DiagramServicesProvider.Instance.Provider;
+            }
+        }
+
+        public MainWindowViewModel()
+        {
+            ToolBoxViewModel = new ToolBoxViewModel();
+            DiagramViewModel = new DiagramViewModel();
+            DiagramViewModel.ShowGrid = true;
+            DiagramViewModel.GridCellSize = new Size(100, 60);
+            DiagramViewModel.CellHorizontalAlignment = CellHorizontalAlignment.Center;
+            DiagramViewModel.CellVerticalAlignment = CellVerticalAlignment.Center;
+            DiagramViewModel.PageSizeType = PageSizeType.Custom;
+            DiagramViewModel.PageSize = new Size(double.NaN, double.NaN);
+
+            ConnectorViewModel.PathFinder = new OrthogonalPathFinder();
+            _service.DrawModeViewModel.VectorLineDrawMode = DrawMode.BoundaryConnectingLine;
+        }
+    }
+    
+}