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Occurs right before the  Gradient is drawn. Use the OnDrawingGradient event to paint behind the Gradient before it is drawn over top. By setting the DoDraw parameter to False, you can also prevent the Gradient from drawing. The Canvas parameter contains the canvas where the Gradient will be drawn, and the ARect parameter specifies where on the canvas the Gradient will be drawn.

Namespace: RSChartPanel

expandingSyntax

Delphi

public
  property OnDrawingGradient: TRSChartDrawingEvent read GetOnDrawingGradient write SetOnDrawingGradient;
 

Value

Type: TRSChartDrawingEvent

expandingExamples

The following code uses the OnDrawingGradient event handler to prevent the gradient from being drawn:

Delphi

procedure TForm1.RSChartPanel1DrawingGradient(Sender: TObject;
   const Canvas: TCanvas; ARect: TRect; var DoDraw: Boolean);
 begin
      DoDraw := False;
 end;

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RiverSoftAVG Charting Component Suite (RCCS) © 2005-2015, Thomas G. Grubb