'宣言 Public Class PivotColumnGroupByCell Inherits Infragistics.Controls.Grids.PivotColumnHeaderCell Implements Infragistics.Controls.Grids.IPivotSelectableItem, Infragistics.ISupportRecycling
public class PivotColumnGroupByCell : Infragistics.Controls.Grids.PivotColumnHeaderCell, Infragistics.Controls.Grids.IPivotSelectableItem, Infragistics.ISupportRecycling