'宣言 Public Delegate Sub BeforeSelectWindowEventHandler( _ ByVal sender As System.Object, _ ByVal e As BeforeSelectWindowEventArgs _ )
public delegate void BeforeSelectWindowEventHandler( System.object sender, BeforeSelectWindowEventArgs e )
パラメータ
- sender
 - イベントのソース。
 - e
 - イベントデータを含む BeforeSelectWindowEventArgs オブジェクト。