BCGControlBar Pro for MFC
void CBCGPTabWnd::SetButtonsVisible ( BOOL  bVisible = TRUE)

Shows or hides all tab controls buttons.

Use this function to show or hide all tab control buttons. This can be useful when you have a tab control with few tabs that can't be scrolled or closed and close/scroll/menu button are not required.

bVisibleSpecifies whether to show (TRUE), or hide (FALSE) buttons.