Tips and Frequently Asked Questions
Customizing the drawing of the markers.
A marker can be selected. Set the SelectedColor and the SelectedSize property. Click on the marker at runtime, the marker will be shown in the selected color & size. To add code when a marker is clicked you can use the SerieMouseDown or SerieMouseUp event. This can be used for example to add an annotation at a specific point of the series.
It is possible to customize the drawing of the markers. Select mCustom as marker type and use the event OnMarkerDrawValue. Follow sample code snippet shows how this can be done:
type TForm1 = class(TForm) private { private declarations } public { public declarations } procedure DrawMarker(Sender: TObject; Serie: TChartSerie; Canvas: TCanvas; X, Y,Point: integer; value: TChartPoint); end;
AdvChartview.Panes[0].Series[0].OnMarkerDrawValue := DrawMarker;
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TMS VCL Chart
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