The <ChartSelectionDelegate> protocol is used to work with the events that are generated on changing selection in chart plot area.
<ChartSelectionDelegate>
chartSelectionChangedInPlotArea:. Changing selection at the chart plot area.
-(void) chartSelectionChangedInPlotArea: (ChartPlotArea *) plotArea
plotArea. Plot area where the selection has been changed.
The example of use is given in the Chart Events section.
See also:
Protocols