title: WPF: ListView as treeview (with GroupItem)
body: <p>Is there a way to render a ListView (using Group Item) as a treeview? Maybe hierarchical template can be useful.</p>
  
  <p>BTW, which WPF control was it build (TreeView or ListView)?:</p>
  
  <p><a href="http://citilab.webcindario.com/control.gif" rel="nofollow">Undefined Control</a></p>