BCGControlBar Pro for MFC
BOOL CBCGPFrameWnd::EnableAutoHideBars ( DWORD  dwDockStyle,
BOOL  bActivateOnMouseClick = FALSE 
)

Enables ability to switch control bars to the autohide mode when they're docked at the specified sides of the main frame window.

Call this function to enable ability to switch control bars to the autohide mode when they're docked at the specified sides of the main frame window.

When you call this method the framework automatically creates several autohide dock bars according to the enabled alignment specified by dwDockStyle.

Parameters
dwDockStyleSpecifies the enabled sides of the main frame window (use CBRS_ALIGN_ flags).
bActivateOnMouseClickIf TRUE, the auto-hide bars are activated when users clicks the toolbar; FALSE - activate by mouse cusror hovering.