glib/menu.go
func (v *MenuItem) SetDetailedAction(act string) {
	cstr1 := (*C.gchar)(C.CString(act))
	defer C.free(unsafe.Pointer(cstr1))

	C.g_menu_item_set_detailed_action(v.native(), cstr1)
}
func (v *MenuItem) SetDetailedAction(act string) {
	cstr1 := (*C.gchar)(C.CString(act))
	defer C.free(unsafe.Pointer(cstr1))

	C.g_menu_item_set_detailed_action(v.native(), cstr1)
}
//SetDetailedAction is a wrapper around g_menu_item_set_detailed_action().