void CBCGPChartSeries::SetGroupID	(	int	nGroupID = 0,
		BOOL	bRecalcMinMaxValues = TRUE
	)

Sets series group ID.

The Group ID is used for stacked series and defines what series should stack. The default value is 0.

For example, if you have 5 series and leave the default (0) for the first three series, and set 1 for the last two series, you'll get two stacks and will be able to see side-by-side stacked columns/bars for the bar series.

Parameters

nGroupID	Specifies the new group id.
bRecalcMinMaxValues	Specifies whether min/max values should be recalculated. Set it to TRUE if you assign Group ID after data points have been added to a series.