TreeView

Allows you to display a hierarchy of nodes with parents and child.

<TreeView Name="tvwList" 
           Grid.Column=0 
           Grid.Row=0 
           VerticalAlignment="Stretch" 
           HorizontalAlignment="Stretch"> 
<TreeViewItem Header="one"/> 
   <TreeViewItem Header="two"/> 
<TreeViewItem Header="three"/> 
</TreeView> 

System.Windows.Controls.TreeViewItem oTreeViewItem; 
oTreeViewItem = new TreeViewItem(); 
oTreeViewItem.Header = "four"; 
this.tvwList.Items.Add(oTreeViewItem); 

treeviewitem = (System.Windows.Controls.TreeViewItem) this.tvwName.SelectedItem 

MouseLeftButtonDown
System.Windows.Control.TreeViewItem treeviewitem;
System.Windows.DependencyObject dependencyobject;

try 
{ 
   //identify which node as been selected 
   treeviewitem = e.Source as System.Windows.Controls.TreeViewItem; 

   dependencyobject = this.tvwXMLParts.InputHitTest(e.GetPosition(this.tvwXMLParts)) as System.Windows.DependencyObject; 


   if (dependencyobject is System.Windows.Controls.TextBlock) 
   { 
      //initiate the dragging 
      System.Windows.DragDrop.DoDragDrop(this.txtXMLPart, 
         this.tvwXMLParts.SelectedValue, 
         System.WIndows.DragDropEffects.Move); 

      e.Handled = true; 
   } 
} 

MouseRightButtonUp

System.Window.Controls.TreeViewItem treeviewitem; 

//identify which node has been selected 
treeviewitem = e.Source as System.Windows.Controls.TreeViewItem; 

//displays the context menu 
if (treeviewitem != null) 
{ 
   tvwXMLPartsContextMenu.PlacementTarget = this; 
   tvwXMLPartsContextMenu.IsOpen = true; 
} 

System.Windows.Controls.TreeViewItem treeviewitem = (System.Windows.Controls.TreeView) 
   SearchTreeView<System.Windows.Controls.TreeViewItem> 
   ((System.Windows.DependencyObject)e.OriginalSource); 

if (treeviewitem != null) 
{ 
   treeviewitem.IsSelected = true; 
   e.Handled = true; 
}