BCGControlBar Pro for MFC
BOOL CBCGPMDIFrameWnd::IsMDITabbedGroup ( ) const
inline

Tells whether the MDI Tabbed Groups feature is enabled.

Returns
Nonzero if the MDI Tabbed Groups feature is enabled; otherwise 0.

Use this method to determine whether the MDI Tabbed Groups feature is enabled, or not.

If you need to figure out whether the regular MDITabs or MDI Tabbed Groups feature is enabled, use AreMDITabs().