'宣言
Public Class _DimensionValueGroup Inherits _DataModel Implements IDataModel, IDimensionValueGroup, GrapeCity.DataVisualization.Chart.IGrouping(Of DataValueType), IQueryInterface, GrapeCity.DataVisualization.Chart.ITreeNode(Of IDimensionValueGroup)
public class _DimensionValueGroup : _DataModel, IDataModel, IDimensionValueGroup, GrapeCity.DataVisualization.Chart.IGrouping<DataValueType>, IQueryInterface, GrapeCity.DataVisualization.Chart.ITreeNode<IDimensionValueGroup>