New Post: Parameter number conflict.

engine.AddHostObject("$", new DollarSignFunc((arg1, arg2) => {
    var name = arg1 asstring;
    if (name == null)
        new Window(f).AddEventHandler("Load", arg1);
    elseif (arg2 != null)
        new Window(f).AddEventHandler(name, arg2);
    else {
        // add code here
    }
}));