![](dotnetdiagramimages/MESCIUS_ActiveReports_Core_Rendering_GrapeCity_DataVisualization_Chart__BaseDataLabelDefinition`1.png)
'宣言
Public MustInherit Class _BaseDataLabelDefinition(Of TOption As IDataLabelOption) Inherits _BaseOverlayDefinition(Of TOption) Implements IDataLabelDefinition, IOverlayDefinition, IQueryInterface
public abstract class _BaseDataLabelDefinition<TOption> : _BaseOverlayDefinition<TOption>, IDataLabelDefinition, IOverlayDefinition, IQueryInterface where TOption: IDataLabelOption
System.Object
GrapeCity.DataVisualization.Chart._BaseOverlayDefinition<TOption>
GrapeCity.DataVisualization.Chart._BaseDataLabelDefinition<TOption>
GrapeCity.DataVisualization.Chart._EChartsSmartDataLabelDefinition
GrapeCity.DataVisualization.Chart._GcesBarCartesianClusterDataLabelDefinition
GrapeCity.DataVisualization.Chart._GcesCartesianPointDataLabelDefinition
GrapeCity.DataVisualization.Chart._GcesDonutFlippingDataLabelDefinition
GrapeCity.DataVisualization.Chart._GcesSwappedBarAlignmentDataLabelDefinition
GrapeCity.DataVisualization.Chart._GcesSwappedBarFloatingDataLabelDefinition
GrapeCity.DataVisualization.Chart._MultiFunctionalDataLabelDefinition
GrapeCity.DataVisualization.Chart._NativeDataLabelDefinition
GrapeCity.DataVisualization.Chart._SmartDataLabelDefinition