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