Hi all, I've created patch to get tabbar buttons for TCustomNotebook (custom paint). here are screenshoots: http://www.holobit.net/laztabbtnlinux.png http://www.holobit.net/laztabbtnxp.png http://www.holobit.net/laztabbtnmac.png Tab buttons are enabled on ide source editor. any clues ? should I commit ? ;)