详细说明：This sample shows how a TreeView uses the value of the SelectedValuePath property to provide a SelectedValue for the SelectedItem.

 [viewboxStretchLayoutSamp.rar] - This sample shows how to programmatically change the Stretch and StretchDirection of content within a Viewbox.
 [TreeViewDataBinding.rar] - This sample shows how bind a TreeView to a data source and use DataTemplate objects to customize the TreeView.
 

文件列表(点击判断是否您需要的文件):
  TreeViewSelectedValue
  .....................\readme.htm
  .....................\xaml
  .....................\....\app.xaml
  .....................\....\data
  .....................\....\....\cat.png
  .....................\....\....\dog.png
  .....................\....\....\fish.png
  .....................\....\treeviewselectedvalue.csproj
  .....................\....\treeviewselectedvalue.vbproj
  .....................\....\window1.xaml