using System;

using System.Dynamic;

class Dinamica : DynamicObject {

    public override bool TryInvokeMember(InvokeMemberBinder binder, object[] args, out object result) {

        result = null;

         Console.WriteLine($"Executando método \"{binder.Name}\".");

        return true;

    }

}

public class Program {

    public static void Main(string[] args) {

        dynamic din = new Dinamica();

        din.NaoExiste();

    }

}