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Occurs when a chart associated with the chart panel changes. Write an OnChartChange event handler to respond to changes in charts.

Namespace: FMX.RS.ChartPanel

Delphi

public
  property OnChartChange: TRSChartEvent read FOnChartChange write FOnChartChange;
 

Value

Type: TRSChartEvent

The following code updates a status bar to display the number of visible and selected values:

Delphi

procedure TForm1.RSChartPanel1ChartChange(Sender: TObject;
   const Chart: TRSCustomChart);
 begin
      StatusBar1.Panels[0].Text := 'Values Visible: ' + IntToStr(Chart.Values.VisibleCount);
      StatusBar1.Panels[1].Text := 'Values Selected: ' + IntToStr(Chart.Values.SelCount);
 end;

Reference

•FMX.RS.ChartPanel.TRSCustomChartPanel.OnDeleteChart

•FMX.RS.ChartPanel.TRSCustomChartPanel.OnAddChart

•FMX.RS.ChartPanel.TRSCustomChartPanel.OnChange

•FMX.RS.ChartPanel.TRSCustomChartPanel.OnChartValueChange

•TRSCustomChartPanel

•FMX.RS.ChartPanel

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