static void Main(string[] args)

        {

            System.Timers.Timer timer = new System.Timers.Timer();

            timer.Enabled = true;

            timer.Interval = ;

            timer.Elapsed += new System.Timers.ElapsedEventHandler(test);

            while (true)

            {

                Console.ReadKey();

                timer.Stop();

                timer.Start();

            }

}

        private static void test(object source, ElapsedEventArgs e)

        {

            Console.WriteLine("OK, test event is fired at: " + DateTime.Now.ToString());

        }