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.
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.
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. 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.