System.Object
   System.MarshalByRefObject
      Xceed.Grid.GridElementBase
         Xceed.Grid.GridElement
            Xceed.Grid.VisualGridElement
               Xceed.Grid.GroupMargin
                  Xceed.Grid.DetailGridMargin
                  Xceed.Grid.RowSelectorPane

Supported Operating Systems: Windows 2000 Service Pack 3; Windows 98; Windows 98 Second Edition; Windows ME; Windows Server 2003; Windows Vista Business; Windows Vista Business 64-bit edition; Windows Vista Enterprise; Windows Vista Enterprise 64-bit edition; Windows Vista Home Basic; Windows Vista Home Basic 64-bit edition; Windows Vista Home Premium; Windows Vista Home Premium 64-bit edition; Windows Vista Starter; Windows Vista Ultimate; Windows Vista Ultimate 64-bit edition; Windows XP Service Pack 2

Supported Frameworks: Microsoft .NET Framework version 2.0; Microsoft .NET Framework version 3.0

Reference