![](dotnetdiagramimages/MESCIUS_ActiveReports_Core_Rendering_GrapeCity_DataVisualization_Chart__ReferenceLineDefinition.png)
'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
System.Object
GrapeCity.DataVisualization.Chart._BaseOverlayDefinition<TOption>
GrapeCity.DataVisualization.Chart._ReferenceLineDefinition
GrapeCity.DataVisualization.Chart._StockReferenceLineDefinition