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namespace ConsoleApplication1
{
    using System;
    using System.Text;
    using System.Net;
    using System.Net.Sockets;

    public class ConsoleApplication1
    {
        protected const int PJL_PORT = 9100;
        protected static string message = "Ready";

        public static int Main(string{} args)
        {
            if (!ParseArgs(args))
            {
                return -1;
            }

            IPEndPoint ipEndPoint;
            ipEndPoint = new IPEndPoint(Dns.Resolve(args{0}).AddressList{0}, PJL_PORT);

            Socket socket;
            socket = new Socket(
                              AddressFamily.InterNetwork,
                              SocketType.Stream,
                              ProtocolType.Tcp
                           );

            socket.Connect(ipEndPoint);

            byte{} sendData;
            string sendString;

            sendString = String.Format(
                      "\x1B%-12345X@PJL RDYMSG DISPLAY = \"{0}\"\r\n\x1B%-12345X\r\n",
                      message
                 );

            sendData = Encoding.ASCII.GetBytes(sendString);

            socket.Send(sendData, sendData.Length, 0);

            socket.Close();

            return 0;
        }

        protected static bool ParseArgs(string{} args)
        {
            if (args.Length != 2)
            {
                Console.WriteLine("set printername and message");
                return false;
            }

            if (args{1}.Length > 16)
            {
                Console.WriteLine("Message must be <= 16 characters");
                return false;
            }

            message = args{1};

            return true;
        }
    }
}