static void Main(string[] args) { SimpleClient client = new SimpleClient(); client.Connect(); int x; char ch; Console.WriteLine("Press 's' to send, 'q' to quit."); do { x = Console.Read(); ch = Convert.ToChar(x); if (ch == 's') { client.Send("Hello"); } if (ch == 'c') { client.Close(); } } while (ch != 'q'); }