using System;
using System.IO.Pipes;
using System.Security.Principal;
using System.Threading;


namespace NamedPipes
{
    public class Sender
    {
        public Sender() { }
        public void SendMessage(string message)
        {
            var pipeClient = new NamedPipeClientStream(".", Receiver.PipeName, PipeDirection.InOut, PipeOptions.None, TokenImpersonationLevel.Impersonation);
             Console.WriteLine("Connecting to server...\n");
            pipeClient.Connect(5000);
            Console.WriteLine("Connected.\n");

            var ss = new StreamString(pipeClient);
            // Validate the server's signature string.
            if (ss.ReadString() == "I am the one true server!")
            {
                // The client security token is sent with the first write.
                // Send the name of the file whose contents are returned
                // by the server.
                ss.WriteString(message);

                // Print the file to the screen.
                Console.Write(ss.ReadString());
            }
            else
            {
                Console.WriteLine("Server could not be verified.");
            }
            pipeClient.Dispose();
            // Give the client process some time to display results before exiting.
            Thread.Sleep(100);
        }
    }
}