BCGControlBar Pro for MFC
virtual BOOL CBCGPMDIFrameWnd::CanConvertControlBarToMDIChild ( )
inlinevirtual

Called by the framework to determine whether the frame allows to convert docking control bars to tabbed documents.

Returns
Should return TRUE if it's allowed to convert docking control bars to tabbed documents; otherwise FALSE.

Override this method in a derived class and return TRUE if you need to enable conversion of docking control bars to tabbed documents. Alternatively, you can just set m_bCanConvertControlBarToMDIChild to TRUE.