![](dotnetdiagramimages/MESCIUS_ActiveReports_Core_Rendering_GrapeCity_DataVisualization_Chart__StepLineShape.png)
'宣言
Public Class _StepLineShape Inherits _PolylineShape Implements GrapeCity.DataVisualization.Chart.ICloneable(Of IShape), GrapeCity.DataVisualization.Chart.IEquatable(Of IShape), ILineShapePointsInterpolater, IPolylineShape, IQueryInterface, ISegmentHittestShape, IShape, IShapeBehavior, IShapePointsAccesser
System.Object
GrapeCity.DataVisualization.Chart._BaseShape
GrapeCity.DataVisualization.Chart._PolylineShape
GrapeCity.DataVisualization.Chart._StepLineShape