BCGControlBar Pro for MFC
void CBCGPChartSeries::SetSeriesElementFormat ( const BCGPChartFormatArea format,
int  nDataPointIndex = -1 

Sets formatting options for a data point.

Call this method to format a data point individually. If nDataPointIndex is -1 the format is applied to the series formatting options.

formatA reference to formatting options.
nDataPointIndexSpecifies a data point index. Use -1 to set the option for a series.