'宣言
Public Class _OverlayLegendInitializer Inherits GrapeCity.DataVisualization.Chart._ItemizedLegendInitializer(Of _OverlayItemizedLegendDataModel,ILegendDefinition) Implements ILegendInitializer
public class _OverlayLegendInitializer : GrapeCity.DataVisualization.Chart._ItemizedLegendInitializer<_OverlayItemizedLegendDataModel,ILegendDefinition>, ILegendInitializer