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IChartPanelListener Interface

Defines the interface for a class that wishes to listen to TRSChartPanel and TRSCustomChart events

Implement the IChartPanelListener to make your class be able to respond to changes in the chart panel, a chart, or a chart's values

	Name	Description
	ChartAdded(TRSCustomChart)	Called when chart is added to panel
	ChartChanged(TRSCustomChart)	Called when a chart or a chart value has changed
	ChartDeleted(TRSCustomChart)	Called when chart is deleted/removed from panel
	PanelChange	Called when the panel has changed and everything needs to be refreshed
	SelectionChanged(TObject)	Called when RSChartPanel.TRSChartValue.Selected property has changed
	ValueChanged(TRSCustomChart,TRSChartValue)	Called when a chart value has changed. The Value = nil when ALL values have been changed
	VisibleChanged(TObject)	Called when RSChartPanel.TRSCustomChart.Visible property or the TRSChartValue.Visible property has changed