c# tcp/ip & pipe

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.IO;
using System.IO.Pipes;

namespace clientpipe
{
    public partial class Form1 : Form
    {
        static NamedPipeClientStream p = new NamedPipeClientStream("localhost", "demo", PipeDirection.InOut);
        StreamReader r = new StreamReader(p);
        StreamWriter w = new StreamWriter(p);

        public Form1()
        {
            InitializeComponent();
            p.Connect();
            w.AutoFlush = true;
        }

        private void button1_Click(object sender, EventArgs e)
        {
            w.WriteLine(send.Text);
        }

        private void button2_Click(object sender, EventArgs e)
        {
            receive.Text = r.ReadLine();
        }
    }
}

----------------------------------------------------------------------------------------

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

using System.Windows.Forms;

using System.IO;

using System.IO.Pipes;

namespace server_pipe

{

    public partial class Form1 : Form

    {

        static NamedPipeServerStream p = new NamedPipeServerStream("demo", PipeDirection.InOut);

        StreamReader r = new StreamReader(p);

        StreamWriter w = new StreamWriter(p);

        public Form1()

        {

            InitializeComponent();

            //pipes uses contructors not form load

            p.WaitForConnection();

            w.AutoFlush = true;

        }

        private void button1_Click(object sender, EventArgs e)

        {

            w.WriteLine(send.Text);

        }

        private void button2_Click(object sender, EventArgs e)

        {

            receive.Text = r.ReadLine();

        }

    }

}

-------------------------------------------------------------------------------------------

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

using System.Windows.Forms;

using System.IO;

using System.Net.Sockets;

namespace client

{

    public partial class Form1 : Form

    {

        NetworkStream n;

        BinaryReader r;

        BinaryWriter w;

        TcpClient t;

        public Form1()

        {

            InitializeComponent();

        }

        //send

        private void button1_Click(object sender, EventArgs e)

        {

            w.Write(send.Text);

        }

        private void Form1_Load(object sender, EventArgs e)

        {

            t = new TcpClient();

            t.Connect("localhost", 5000);//127.0.0.1

            n = t.GetStream();

            r = new BinaryReader(n);

            w = new BinaryWriter(n);

        }

        private void button2_Click(object sender, EventArgs e)

        {

            receive.Text = r.ReadString();

        }

    }

}

----------------------------------------------------------------------------------

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

using System.Windows.Forms;

using System.IO;

using System.Net.Sockets;

namespace WindowsFormsApplication1

{

    public partial class Form1 : Form

    {

        NetworkStream n;

        BinaryReader r;

        BinaryWriter w;

        Socket s;

        TcpListener L;

        public Form1()

        {

            InitializeComponent();

        }

        private void Form1_Load(object sender, EventArgs e)

        {

            L = new TcpListener(5000);

            L.Start();

            s = L.AcceptSocket();

            n = new NetworkStream(s);

            w = new BinaryWriter(n);

            r = new BinaryReader(n);

        }

        private void button1_Click(object sender, EventArgs e)

        {

            w.Write(send.Text);

        }

        private void button2_Click(object sender, EventArgs e)

        {

            receive.Text = r.ReadString();

        }

    }

}