static void Main(string[] args)
        {
            Console.WriteLine("PROTOTYPE DESIGN PATTERN\n");

            InvitationCard invitationCard = new InvitationCard();

            //first object
            invitationCard.Sender  = "Femi";
            invitationCard.Title   = "Collaboration Invitation";
            invitationCard.Content = "Hi guys! You are welcome to join me in learning software design pattern.";
            invitationCard.To      = "Femi";
            invitationCard.Date    = Convert.ToDateTime(DateTime.Now.ToShortDateString());

            InvitationCard[] guests     = new InvitationCard[3];
            string[]         guestsName = { "Dami", "Kwaku", "Atoke" };
            int i = 0;

            foreach (string name in guestsName)
            {
                guests[i]    = invitationCard.Clone(invitationCard);
                guests[i].To = guestsName[i];
                i++;
            }

            // Print original invitation card
            Console.WriteLine("To: {0}", invitationCard.To);
            Console.WriteLine("Title: {0}", invitationCard.Title);
            Console.WriteLine("Content: {0}", invitationCard.Content);
            Console.WriteLine("Date: {0}", invitationCard.Date);
            Console.WriteLine("--------");

            // Print all copies of invitation card
            foreach (InvitationCard guest in guests)
            {
                Console.WriteLine("To: {0}", guest.To);
                Console.WriteLine("Title: {0}", guest.Title);
                Console.WriteLine("Content: {0}", guest.Content);
                Console.WriteLine("Date: {0}", guest.Date);
                Console.WriteLine("--------");
            }
        }
 public InvitationCard Clone(InvitationCard invitationCard)
 {
     return((InvitationCard)this.MemberwiseClone());
 }