BCGControlBar Pro for MFC
virtual BOOL CBCGPChartVisualObject::OnFormatDataPointLabelText ( CString &  strText,
CBCGPChartSeries pSeries,
int  nDataPointIndex,
BCGPChartDataLabelOptions::LabelContent  content 

Called by the framework to obtain a data point text label.

strTextA string contains a custom label.
pSeriesA pointer to a series.
nDataPointIndexZero-based index of the data point.
contentA label content content.
TRUE if developer specifies the custom label value, FALSE - otherwise.