'宣言 Public Class DropAreaItemRemoveButtonUIElement Inherits UIElementBase Implements Infragistics.Win.IToolTipItem, Infragistics.Win.UIAutomation.IProvideUIAutomation
public class DropAreaItemRemoveButtonUIElement : UIElementBase, Infragistics.Win.IToolTipItem, Infragistics.Win.UIAutomation.IProvideUIAutomation