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: FMX.RS.ChartPanel
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public |
Value
Type: TRSChartDrawingEvent
The following code uses the OnDrawingGradient event handler to prevent the gradient from being drawn:
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