internal void Update(AvaloniaNativeMenuExporter exporter, IAvaloniaNativeFactory factory, NativeMenuItem item)
{
if (item != ManagedMenuItem)
{
throw new ArgumentException("The item does not match the menuitem being updated.", nameof(item));
}
if (item.Menu != null)
{
if (_subMenu == null)
{
_subMenu = __MicroComIAvnMenuProxy.Create(factory);
if (item.Menu.GetValue(MacOSNativeMenuCommands.IsServicesSubmenuProperty))
{
factory.SetServicesMenu(_subMenu);
}
_subMenu.Initialize(exporter, item.Menu, item.Header);
SetSubMenu(_subMenu);
}
_subMenu.Update(factory, item.Menu);
}
if (item.Menu == null && _subMenu != null)
{
_subMenu.Deinitialise();
_subMenu.Dispose();
SetSubMenu(null);
}
}