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