Occurs right before the Header is drawn. Use the OnDrawingHeader event to paint behind the Header before it is drawn over top. By setting the DoDraw parameter to False, you can also prevent the Header from drawing. The Canvas parameter contains the canvas where the Header will be drawn, and the ARect parameter specifies where on the canvas the Header will be drawn.
Namespace: FMX.RS.ChartPanel
Delphi |
public |
Value
Type: TRSChartDrawingEvent
The following code uses the OnDrawingGradient event handler to prevent the gradient from being drawn. The same principle applies here:
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