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