BCGControlBar Pro for MFC
virtual void CBCGPBaseChartImpl::OnDrawDiagramMarker ( CBCGPGraphicsManager pGM,
CBCGPChartSeries pSeries,
int  nDataPointIndex,
const CBCGPChartDataPoint pDataPoint,
const BCGPChartFormatSeries pFormatSeries,
const CBCGPRect rectDiagram 

Called to draw a data point marker.

Override this method in a derived class to customize marker appearance at the "implementation" level. You can override CBCGPChartVisualObject::OnDrawChartSeriesMarker to customize marker appearance at the chart level.

pGMA pointer to a graphics manager.
pSeriesA pointer to a series.
nDataPointIndexData point index.
pDataPointA pointer to a data point.
pFormatSeriesA pointer to data point formatting options.
rectDiagramBounding rectangle of diagram area.