当委托或函数属于必须解析的类时，如何向Autofac注册该委托或函数？

using Autofac;

public class MyClass
{
    public delegate void MyDelegate(string message);

    public void MyFunction(string message)
    {
        Console.WriteLine(message);
    }
}

public class Program
{
    public static void Main(string[] args)
    {
        var builder = new ContainerBuilder();

        // 注册委托
        builder.Register<MyClass.MyDelegate>(c =>
        {
            var myClassInstance = c.Resolve<MyClass>();
            return myClassInstance.MyFunction;
        });

        // 注册函数
        builder.Register<Func<string, MyClass>>(c =>
        {
            var context = c.Resolve<IComponentContext>();
            return message => context.Resolve<MyClass>().MyFunction(message);
        });

        var container = builder.Build();

        // 解析委托
        var myDelegate = container.Resolve<MyClass.MyDelegate>();
        myDelegate("Hello, Autofac!");

        // 解析函数
        var myFunction = container.Resolve<Func<string, MyClass>>();
        myFunction("Hello, Autofac!");

        Console.ReadLine();
    }
}