self.codes_vbutton_box = gtk.VButtonBox()
hbox.pack_start(self.codes_vbutton_box, expand=False)
self.codes_vbutton_box.pack_start(add_button, expand=False)
self.codes_vbutton_box.pack_start(up_button, expand=False)
self.codes_vbutton_box.pack_start(down_button, expand=False)
self.codes_vbutton_box.pack_start(properties_button, expand=False)
self.codes_vbutton_box.pack_start(delete_button, expand=False)