'宣言 Protected Overridable Sub OnRibbonTabItemSelected( _ ByVal args As RibbonTabItemSelectedEventArgs _ )
protected virtual void OnRibbonTabItemSelected( RibbonTabItemSelectedEventArgs args )
XamRibbon クラス XamRibbon メンバ RibbonTabItemSelected イベント RibbonTabItemSelectedEvent フィールド