'宣言
Public Class _HierarchicalLegendInitializer Inherits GrapeCity.DataVisualization.Chart._ItemizedLegendInitializer(Of _HierarchicalDataPointItemizedLegendDataModel,_HierarchicalLegendEncodingDefinition) Implements ILegendInitializer
public class _HierarchicalLegendInitializer : GrapeCity.DataVisualization.Chart._ItemizedLegendInitializer<_HierarchicalDataPointItemizedLegendDataModel,_HierarchicalLegendEncodingDefinition>, ILegendInitializer