'宣言 Public Class AddRemoveButtonsUIElement Inherits PopupMenuItemUIElement Implements Infragistics.Win.UIAutomation.IProvideUIAutomation, IPopupElement, IProvideToolElementResizeInfo
public class AddRemoveButtonsUIElement : PopupMenuItemUIElement, Infragistics.Win.UIAutomation.IProvideUIAutomation, IPopupElement, IProvideToolElementResizeInfo