programa no generate error if the user does not select an item. as you can see here. http://kronos2008.blogspot.com/ I need that comobobox show a initial message saying "Select a robot" As you can see, I select an item of comobox, the reason is that user know that would select, then I want that appear a initial message “select a robot"in comobobox. ¡Todo sobre Amor y Sexo!La guía completa para tu vida en Mujer de Hoy. http://mx.mujer.yahoo.com/_______________________________________________gtk-list mailing listgtk-list@xxxxxxxxxxxxx://mail.gnome.org/mailman/listinfo/gtk-list