'宣言
Public Class _StockValuePointDataModel Inherits _ValuePointDataModel Implements ICartesianPointDataModel, IDataModel, GrapeCity.DataVisualization.Chart.IGrouping(Of DataValueType), IPointDataModel, IQueryInterface, IStockValuePointDataModel
public class _StockValuePointDataModel : _ValuePointDataModel, ICartesianPointDataModel, IDataModel, GrapeCity.DataVisualization.Chart.IGrouping<DataValueType>, IPointDataModel, IQueryInterface, IStockValuePointDataModel