![](dotnetdiagramimages/MESCIUS_ActiveReports_Core_Rendering_GrapeCity_DataVisualization_Chart__FunctionalTrendline.png)
'宣言
Public MustInherit Class _FunctionalTrendline
public abstract class _FunctionalTrendline
System.Object
GrapeCity.DataVisualization.Chart._FunctionalTrendline
GrapeCity.DataVisualization.Chart._ExponentialTrendline
GrapeCity.DataVisualization.Chart._FourierTrendline
GrapeCity.DataVisualization.Chart._LinearTrendline
GrapeCity.DataVisualization.Chart._LogarithmicTrendline
GrapeCity.DataVisualization.Chart._PolynomialTrendline
GrapeCity.DataVisualization.Chart._PowerTrendline