BCGControlBar Pro for MFC
CBCGPChartLegendCell* CBCGPChartLegendVisualObject::GetLegendCellFromPoint ( const CBCGPPoint pt) const

Returns a legend cell containing a point in client coordinates

This method returns NULL if pt does not lay in any legend cell; otherwise a pointer to a legend cell containing that point.

Parameters
ptspecifies a point in client coordinates