'宣言 Public Overridable Function TryGetItem( _ ByVal key As String, _ ByRef item As Infragistics.Shared.IKeyedSubObject _ ) As Boolean
public virtual bool TryGetItem( string key, out Infragistics.Shared.IKeyedSubObject item )
DesktopAlertButtonsCollection クラス DesktopAlertButtonsCollection メンバ