BCGSuite for MFC
void CBCGPChartVisualObject::SetHitTooltipFlags ( DWORD  dwHitTooltipFlags)

Specify chart elements where tooltip need to be displayed.

Parameters
dwHitTooltipFlagsA combination of hit info flags (BCGPChartHitInfo::HitInfoTest) telling which chart elements should have tooltips.

The combination of dwHitTooltipFlags allows to specify which chart elements should have tooltips.