Matthias wrote: > GtkSettings *settings = gtk_widget_get_settings (GTK_WIDGET >(button)); This gives a Gtk-CRITICAL assertion GTK_IS_WIDGET (widget) failed, and then returns null. I tried it with both an unrealized and realized button. Thanks again, Manuel _______________________________________________ gtk-list@xxxxxxxxx http://mail.gnome.org/mailman/listinfo/gtk-list