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Navigation: Code Documentation > RSFMXCharts > FMX.RS.ChartPanel > Classes > TRSChartLegend > Methods

TRSChartLegend.FormatValue(TRSCustomChart,Integer) Method

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Returns the label for the FMX.RS.ChartPanel.TRSChartValue at the Index position in the chart's  Values collection. The string returned is dependent on the TRSChartValue instance and the  TextStyle property.

Namespace: FMX.RS.ChartPanel

Delphi

public
  function FormatValue( Chart: TRSCustomChart; Index: Integer ): String;
 

Parameters

Chart

Type: TRSCustomChart

Index

Type: Integer

Return Value

Type: String

The following code fills a list box with formatted labels for all the values in a chart:

Delphi

var
   i: Integer;
 begin
   ListBox1.Items.BeginUpdate;
   try
     ListBox1.Items.Clear;
     for i := 0 to Chart1.Values.Count - 1 do
       ListBox1.Items.Add(RSChartPanel1.Legend.FormatValue(Chart1, i));
   finally
     ListBox1.Items.EndUpdate;
   end;
 end;
 

Reference

•FMX.RS.ChartPanel.TRSCustomChart.Values

•FMX.RS.ChartPanel.TRSChartLegend.TextStyle

•TRSChartLegend

•FMX.RS.ChartPanel

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