添加项目文件。

Util.DiagramDesigner/Converters/ConnectionPathConverter.cs

@@ -0,0 +1,45 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Windows;
+using System.Windows.Data;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+
+namespace Util.DiagramDesigner
+{
+    [ValueConversion(typeof(List<Point>), typeof(PathSegmentCollection))]
+    public class ConnectionPathConverter : IValueConverter
+    {
+        static ConnectionPathConverter()
+        {
+            Instance = new ConnectionPathConverter();
+        }
+
+        public static ConnectionPathConverter Instance
+        {
+            get;
+            private set;
+        }
+
+        public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
+        {
+            List<Point> points = (List<Point>)value;
+            PointCollection pointCollection = new PointCollection();
+            if (points != null)
+            {
+                foreach (Point point in points)
+                {
+                    pointCollection.Add(point);
+                }
+            }
+            return pointCollection;
+        }
+
+        public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
+        {
+            throw new NotImplementedException();
+        }
+    }
+}