BCGControlBar Pro for MFC
BCGPChartMouseConfig::MouseWheelOptions BCGPChartMouseConfig::m_wheelOptions

Specifies mouse wheel mode.

Tells how to interpret mouse wheel events. It can be one of the following enumerated values:

  • MWO_NONE - mouse wheel is not used neither for zoom, nor for scroll.
  • MWO_ZOOM - mouse wheel is used for zoom.
  • MWO_SCROLL - mouse wheel is used for scroll. In this case m_nScrollByWheel modifier is used for vertical scroll.