C# TcpClient

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Text;

using System.Windows.Forms;

using System.IO;

using System.IO.Pipes;

using Microsoft.Win32.SafeHandles;

using System.Net.Sockets;

using System.Net;

using System.Threading;

using System.Timers;

namespace TCP_test

{

    public partial class Form1 : Form

    {

        public Form1()

        {

            InitializeComponent();

        }

        private void Form1_Load(object sender, EventArgs e)

        {

    Int32 port = 3007;

    TcpClient client = new TcpClient("192.168.1.1", port);

    Byte[] data = System.Text.Encoding.ASCII.GetBytes("hallo");         

    NetworkStream stream = client.GetStream();

    Console.WriteLine("Sent: {0}", "hallo");

    while (client.Connected == true)

    {

        data = new Byte[256];

        String responseData = String.Empty;

        Int32 bytes = stream.Read(data, 0, data.Length);

        responseData = System.Text.Encoding.ASCII.GetString(data, 0, bytes);

        Console.WriteLine("Received: {0}", responseData);

    }

    stream.Close();         

    client.Close();         

        }

    }

}