Gets a value indicating whether the hierarchical group-by control contains group-by items, which display information about the groups that exist in the corresponding grid or detail.
Target Platforms: Windows 11, Windows 10, Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2