'宣言
Public Class _ReferenceLineDefinition Inherits GrapeCity.DataVisualization.Chart._BaseOverlayDefinition(Of IReferenceLineOverlayOption) Implements ILegendOverlayDefinition, IOverlayDefinition, IQueryInterface, IReferenceLineDefinition
public class _ReferenceLineDefinition : GrapeCity.DataVisualization.Chart._BaseOverlayDefinition<IReferenceLineOverlayOption>, ILegendOverlayDefinition, IOverlayDefinition, IQueryInterface, IReferenceLineDefinition