'宣言 Protected Function RegisterTriangleIntColumn( _ ByVal itemsSource As Infragistics.IFastItemsSource, _ ByVal memberPath As String _ ) As Infragistics.IFastItemColumn(Of Integer)
protected Infragistics.IFastItemColumn<int> RegisterTriangleIntColumn( Infragistics.IFastItemsSource itemsSource, string memberPath )