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;
}



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