![](dotnetdiagramimages/MESCIUS_ActiveReports_Core_Rendering_GrapeCity_DataVisualization_Chart__PiePlotDataLabelViewLayout`1.png)
'宣言
Public Class _PiePlotDataLabelViewLayout(Of TPlotView As IBarCartesianPlotView) Inherits _RadialCartesianPlotDataLabelViewListLayoutPolicy(Of TPlotView) Implements IPlotDataLabelViewListLayoutPolicy
public class _PiePlotDataLabelViewLayout<TPlotView> : _RadialCartesianPlotDataLabelViewListLayoutPolicy<TPlotView>, IPlotDataLabelViewListLayoutPolicy where TPlotView: IBarCartesianPlotView
System.Object
GrapeCity.DataVisualization.Chart._PlotDataLabelViewListLayoutPolicy<TPlotView>
GrapeCity.DataVisualization.Chart._RadialCartesianPlotDataLabelViewListLayoutPolicy<TPlotView>
GrapeCity.DataVisualization.Chart._PiePlotDataLabelViewLayout<TPlotView>