BCGControlBar Pro for MFC
virtual int CBCGPChartSeries::AddEmptyDataPoint ( const CString &  strCategoryName,
DWORD_PTR  dwUserData = 0,
BCGPChartFormatSeries pDataPointFormat = NULL 

Adds empty data point.

Call this method to add an empty data point. Use SetTreatNulls() to define series behavior when it encounters the empty data.

strCategoryNameSpecifies category name.
dwUserDataSpecifies user defined data associated with data point.
pDataPointFormatA pointer to data point formatting options.