'Declaration
Public Class GroupDataModel Inherits BaseSheetDataModel Implements FarPoint.Win.ICanSerializeXml, FarPoint.Win.ISerializeSupport, IChartSupport, IGroupFooterSupport, IGroupSupport, IGroupSupport2, IMapper, INonEmptyCells, IOptimizedEnumerationSupport, IOptimizedEnumerationSupport2, ISheetDataModel
'Usage
Dim instance As GroupDataModel