添加项目文件。

Util.DiagramDesigner/Converters/ConectorValueConverter.cs

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+using Util.DiagramDesigner;
+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
+{
+    public class ConectorValueConverter : IMultiValueConverter
+    {
+        public object Convert(object[] values, Type targetType, object parameter, System.Globalization.CultureInfo culture)
+        {
+            if (values == null || values.Length < 1)
+            {
+                throw new NotImplementedException();
+            }
+            if (values[0] is double && values[1] is ValueTypePoint)
+            {
+                double connectorValue = (double)values[0];
+                ValueTypePoint valueTypePoint = (ValueTypePoint)values[1];                
+
+                if (valueTypePoint == ValueTypePoint.Bool)
+                {
+                    return (connectorValue == 0) ? "F" : "T";
+                }
+                else if (valueTypePoint == ValueTypePoint.Int)
+                {
+                    return connectorValue.ToString("0");
+                }
+                else
+                {
+                    return connectorValue.ToString("f3");
+                }
+            }
+            return null;
+        }
+
+        public object[] ConvertBack(object value, Type[] targetTypes, object parameter, System.Globalization.CultureInfo culture)
+        {
+            throw new NotImplementedException();
+        }
+    }
+}