func (v *MenuItem) SetSubmenu(submenu IWidget) {
	C.gtk_menu_item_set_submenu(v.native(), submenu.toWidget())
}
func (v *MenuItem) SetSubmenu(submenu IWidget) {
	C.gtk_menu_item_set_submenu(v.native(), submenu.toWidget())
}
func ( v * MenuItem ) SetSubmenu ( submenu IWidget ) { C . gtk_menu_item_set_submenu ( v . native ( ) , submenu . toWidget ( ) ) }
// SetSubmenu() is a wrapper around gtk_menu_item_set_submenu().
SetSubmenu () is a wrapper around gtk_menu_item_set_submenu () .