'宣言
Public Class _CartesianSeriesDataModel Inherits _SeriesDataModel Implements ICartesianSeriesDataModel, IDataModel, GrapeCity.DataVisualization.Chart.IGrouping(Of DataValueType), IQueryInterface, ISeriesDataModel
public class _CartesianSeriesDataModel : _SeriesDataModel, ICartesianSeriesDataModel, IDataModel, GrapeCity.DataVisualization.Chart.IGrouping<DataValueType>, IQueryInterface, ISeriesDataModel