添加项目文件。

VisionFrame.Base/Converter/StringToNodeConverter.cs

@@ -0,0 +1,51 @@
+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.Linq;
+using System.Reflection;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
+
+namespace VisionFrame.Base.Converter
+{
+    public class StringToNodeConverter : IValueConverter
+    {
+        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            string[] _info = value.ToString().Split(";");
+
+            Assembly assembly = Assembly.GetEntryAssembly();
+            Type type = assembly.GetType(_info[0]);
+            if (_info.Length == 2)
+            {
+                assembly =
+                    Assembly.LoadFile(Environment.CurrentDirectory + "/Activities/" + _info[0] + ".dll");
+                if (assembly == null) return null;
+
+                type = assembly.GetType(_info[1]);
+                if (type == null) return null;
+            }
+
+            object instance = Activator.CreateInstance(type);
+
+            Binding binding = new Binding("DataContext.AnchorDownCommand");
+            binding.RelativeSource = new RelativeSource() { AncestorType = typeof(ItemsControl) };
+            (instance as NodeBase).SetBinding(NodeBase.AnchorDownCommandProperty, binding);
+
+
+            binding = new Binding("DataContext.AnchorUpCommand");
+            binding.RelativeSource = new RelativeSource() { AncestorType = typeof(ItemsControl) };
+            (instance as NodeBase).SetBinding(NodeBase.AnchorUpCommandProperty, binding);
+
+            return instance;
+        }
+
+        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            return null;
+        }
+    }
+}