'宣言 Public Overloads Sub ShowPopup( _ ByVal screenPoint As Point, _ ByVal exclusionRect As Rectangle, _ ByVal dropdownPosition As Infragistics.Win.DropDownPosition, _ ByVal owner As Control _ )
public void ShowPopup( Point screenPoint, Rectangle exclusionRect, Infragistics.Win.DropDownPosition dropdownPosition, Control owner )
UltraToolbarsManager.DockWithinContainer プロパティが設定されない場合、「オーナー」パラメーターを指定する必要があります。