IExcelChart.GetTrendline Method
Gets a trendline for a chart. This method is only implemented for xlsx charts.
Syntax
Unit: FlexCel.Core
function IExcelChart.GetTrendline(const chartIndex: Integer; const seriesIndex: Integer): IChartTrendline; virtual; abstract;Parameters
| <-> | Parameter | Type | Description |
|---|---|---|---|
| const | chartIndex | Integer | Index of the chart (1 based). Must be bigger than 0 and less-or-equal than SubchartCount |
| const | seriesIndex | Integer | Index of the series in the chart (1 based). Must be bigger than 0 and less-or-equal than SeriesInSubchart |
Returns
The trendline definition if there is one, null otherwise. For xls charts this method will always return null.