![](dotnetdiagramimages/MESCIUS_ActiveReports_Core_Rendering_GrapeCity_DataVisualization_Chart__UnionRegion.png)
'宣言
Public Class _UnionRegion Implements GrapeCity.DataVisualization.Chart.IEquatable(Of IRegion), IRegion, IUnionRegion
public class _UnionRegion : GrapeCity.DataVisualization.Chart.IEquatable<IRegion>, IRegion, IUnionRegion
System.Object
GrapeCity.DataVisualization.Chart._UnionRegion