'宣言
Public Class _BuildInOverlayLegendDataModelBuilderCollection Inherits GrapeCity.DataVisualization.Chart._BuildInObjectCollection(Of IOverlayLegendDataModelBuilder)
public class _BuildInOverlayLegendDataModelBuilderCollection : GrapeCity.DataVisualization.Chart._BuildInObjectCollection<IOverlayLegendDataModelBuilder>