IChartTrendline Interface

This class holds a definition for a trendline.

Syntax

Unit: FlexCel.Core

IChartTrendline = interface(IInterface);

Properties

Name	Description
Name	Name for the trendline. Make it null to make it automatic.
LineOptions	Properties of the line, like the color or width.
TrendlineType	Type of trendline.
Order	Integer between 2 and 6 indicating the order of the polynomial. This property only applies if the TrendlineType is TChartTrendline​Type.​Polynomial.
Period	Period for the moving average. This property only applies if the TrendlineType is TChartTrendline​Type.​Moving​Average.
Forward	The number of categories (or units on a scatter chart) that the trendline extends after the data for the series. This number must be bigger or equal to 0
Backward	The number of categories (or units on a scatter chart) that the trendline extends before the data for the series. If the chart is not scattered, this value must be 0 or 0.5.
Intercept	This property sets where the trendline crosses the x-axis. If null, the crossing point will be automatically calculated. Only applies for see cref=​"Trendline​Type"​/> of TChartTrendline​Type.​Exponential, TChartTrendline​Type.​Linear or TChartTrendline​Type.​Polynomial
DisplayEquation	Determines if the trendline equation is displayed on the chart.
DisplayRSquared	Determines if the value of R-squared is displayed on the chart.
LineLabel	Determines if the value of R-squared is displayed on the chart.