![](dotnetdiagramimages/MESCIUS_ActiveReports_Core_Rendering_GrapeCity_DataVisualization_Chart__CategoryValueView.png)
'宣言
Public MustInherit Class _CategoryValueView Implements ICategoryValueModel, ICategoryValueView, IModel, IQueryInterface, IShowTooltipModel, IShowTrackerViewModel, IShowViewModel, IViewModel
public abstract class _CategoryValueView : ICategoryValueModel, ICategoryValueView, IModel, IQueryInterface, IShowTooltipModel, IShowTrackerViewModel, IShowViewModel, IViewModel
System.Object
GrapeCity.DataVisualization.Chart._CategoryValueView
GrapeCity.DataVisualization.Chart._CartesianCategoryValueView
GrapeCity.DataVisualization.Chart._RadialCategoryValueView