![](dotnetdiagramimages/MESCIUS_ActiveReports_Core_Rendering_GrapeCity_DataVisualization_Chart__TreeMapPointVisibilityPolicyPlugin.png)
'宣言
Public Class _TreeMapPointVisibilityPolicyPlugin Implements IPlugin, IPointVisibilityPolicy, IPointVisibilityPolicyBuilder, IQueryInterface
public class _TreeMapPointVisibilityPolicyPlugin : IPlugin, IPointVisibilityPolicy, IPointVisibilityPolicyBuilder, IQueryInterface
System.Object
GrapeCity.DataVisualization.Chart._TreeMapPointVisibilityPolicyPlugin