static void Main(string[] args)
        {
            Console.WriteLine("***Visitor Pattern Demo***\n");
            var visitor = new Visitor();
            var myClass = new VisitorClass();

            myClass.Accept(visitor);
            Console.ReadLine();
        }
 public void Visit(VisitorClass visitorObject)
 {
     Console.WriteLine("Visitor is trying to change the integer value.");
     visitorObject.MyNumber = 100;
     Console.WriteLine("Exiting from Visitor.");
 }