I'm new to WPF.

I have some TreeViewItems(l evel 1) as children for a TreeView. Also those TreeViewItems have some children TreeviewItems(l evel 2). Here my requirement is i have to delete my TreeViewItems in level 2 by selecting that and hitting delete key. But I'm not even getting the control in my delegate function. my code is

FolderItem.KeyD own += new KeyEventHandler (Keydown_delega te);

public void Keydown_delegat e(object...