'宣言 Public Class NavigationToolbarRecentHistoryButtonUIElement Inherits Infragistics.Win.DropDownButtonUIElement Implements Infragistics.Win.UIAutomation.IProvideUIAutomation
public class NavigationToolbarRecentHistoryButtonUIElement : Infragistics.Win.DropDownButtonUIElement, Infragistics.Win.UIAutomation.IProvideUIAutomation