'宣言 Public Delegate Sub PointerDragEventHandler( _ ByVal sender As System.Object, _ ByVal e As PointerDragEventArgs _ )
public delegate void PointerDragEventHandler( System.object sender, PointerDragEventArgs e )
パラメータ
- sender
 - The source of the event.
 - e
 - A PointerDragEventArgs object that contains the event data.