> But I'm using windows,so I think maybe I should use windows api to achieve it.
Could well be. Trying to use GTK+ for any "exotic" window management tasks on Windows is likely to not work as intended because of bugs in GTK+ on Windows. --tml _______________________________________________ gtk-app-devel-list mailing list gtk-app-devel-list@gnome.org http://mail.gnome.org/mailman/listinfo/gtk-app-devel-list