![](dotnetdiagramimages/MESCIUS_ActiveReports_Core_Rendering_GrapeCity_DataVisualization_Chart__RegionEqualityComparer.png)
'宣言
Public Class _RegionEqualityComparer Inherits GrapeCity.DataVisualization.Chart._ObjectEqualityComparer(Of IRegion) Implements GrapeCity.DataVisualization.Chart.IEqualityComparer(Of IRegion)
public class _RegionEqualityComparer : GrapeCity.DataVisualization.Chart._ObjectEqualityComparer<IRegion>, GrapeCity.DataVisualization.Chart.IEqualityComparer<IRegion>
System.Object
GrapeCity.DataVisualization.Chart._ObjectEqualityComparer<T>
GrapeCity.DataVisualization.Chart._RegionEqualityComparer