Returns the group to which the radio menu item belongs, as a #GList of #GtkRadioMenuItem. The list belongs to GTK+ and should not be freed.
Return: the group of @radio_menu_item
See Implementation
Returns the group to which the radio menu item belongs, as a #GList of #GtkRadioMenuItem. The list belongs to GTK+ and should not be freed.
Return: the group of @radio_menu_item