BCGControlBar Pro for MFC
void CBCGPChartSeries::SetMarkerLineColor ( const CBCGPBrush br,
int  nDataPointIndex = -1 
)

Sets marker line color for all data points, or for individual data point.

Parameters
brSpecifies a marker outline brush.
nDataPointIndexSpecifies a data point index. Use -1 to set the option for a series.