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Navigation: Code Documentation > RSFMXCharts > FMX.RS.ChartFunction > Classes > TRSFMXCustomChartFunction > Properties

TRSFMXCustomChartFunction.OnExecutingFunction Property

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Use the OnExecutingFunction event for handling setup or initialization code for your custom function. The occurs just  before the function starts executing but after the TargetChart's old values have been deleted.

noteNote

Unlike the OnCustomFunction, the OnExecutingFunction is only called once.

Namespace: FMX.RS.ChartFunction

Property Value

Type: TNotifyEvent

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