virtual BOOL CBCGPChartVisualObject::OnFormatDataPointTooltip ( CString &  strTooltip, CBCGPChartSeries *  pSeries, int  nDataPointIndex  )

virtual

Called by framework to obtain a data point tooltip.

Parameters

strTooltip	A string contains a custom tooltip.
pSeries	A pointer to a series.
nDataPointIndex	Zero-based index of the data point.

Returns

TRUE if developer specifies the custom tooltip value, FALSE - otherwise.