class MyHandler : StaticEventHandler
{
    //string myS;
    //int myI;

    override void WorldLoadedUnsafe()
    {
        Console.Printf("map loaded [unsafe] %p\n", myS);
    }

    override void WorldUnloadingUnsafe()
    {
        Console.Printf("map unloaded [unsafe]\n");
    }

    override void WorldLoaded()
    {
        Console.Printf("map loaded\n");
        if (level.mapname == "MAP01")
        {
            let handler = MySerializedHandler(EventHandler.Create('MySerializedHandler'));
            EventHandler.Register(handler);
            //if (handler) handler.s = "";
        }
    }

    override void WorldUnloading()
    {
        //myS = "test";
        Console.Printf("map unloaded\n");
    }

    override void RenderFrame()
    {
        //
    }
}