添加项目文件。

Szmedi.RvKits/RvScript/DocumentTemplateSelector.cs

@@ -0,0 +1,18 @@
+using System.Windows;
+using System.Windows.Controls;
+
+namespace Szmedi.RvKits.RvScript
+{
+    public class DocumentTemplateSelector : DataTemplateSelector
+    {
+        public DataTemplate DocumentViewTemplate { get; set; }
+
+        public override DataTemplate SelectTemplate(object item, DependencyObject container)
+        {
+            if (item is DocumentViewModel)
+                return DocumentViewTemplate;
+
+            return base.SelectTemplate(item, container);
+        }
+    }
+}