TContourSeries.OnBeforeDrawLevel
TContourSeries
property OnBeforeDrawLevel: TOnBeforeDrawLevelEvent;
Unit
TeeSurfa
Description
Called just before drawing each level segments.
Use this event to for example customize the pen used to draw each level segments.
procedure TContourOnBefore.Series1BeforeDrawLevel(Sender: TContourSeries;
LevelIndex: Integer);
begin
// Change pen for contour level 4...
if LevelIndex=4 then
Chart1.Canvas.Pen.Width:=3
else
Chart1.Canvas.Pen.Width:=1;
end;