gtk_box_pack_start (GTK_BOX (dialog->vbox), GTK_WIDGET (bar), FALSE, FALSE, 0);
gtk_dialog_add_button (dialog, "Close", GTK_RESPONSE_CLOSE);
gtk_box_pack_start (GTK_BOX (dialog->vbox), GTK_WIDGET (bar), FALSE, FALSE, 0);
gtk_dialog_add_button (dialog, "Close", GTK_RESPONSE_CLOSE);