static void Main(string[] args)
        {
            ServerClass sc = new ServerClass(15321);

            sc.ClientAntwort += ClientAntwort;

            sc.Start();

            while (sc.Running == true)
            {
                Console.WriteLine("To stop the Server press ESC");
                ConsoleKeyInfo cki = Console.ReadKey();
                if (cki.Key == ConsoleKey.Escape)
                {
                    sc.Stop();
                }
            }

            Console.WriteLine("Press any Key to close the Program. . .");
            Console.ReadKey();
        }