![](dotnetdiagramimages/MESCIUS_ActiveReports_Core_Rendering_GrapeCity_DataVisualization_Chart__DataModel.png)
'宣言
Public Class _DataModel Implements IDataModel
public class _DataModel : IDataModel
System.Object
GrapeCity.DataVisualization.Chart._DataModel
GrapeCity.DataVisualization.Chart._CartesianGroupDataModel
GrapeCity.DataVisualization.Chart._DimensionValueGroup
GrapeCity.DataVisualization.Chart._ItemsQueryGrouping
GrapeCity.DataVisualization.Chart._PlotDataModel
GrapeCity.DataVisualization.Chart._PointDataModel
GrapeCity.DataVisualization.Chart._SankeyGrouping
GrapeCity.DataVisualization.Chart._SeriesDataModel