C#-ban lévő ékezetes karakter problémám van. Valaki segítene?

Most kezdtem el a programozást, ezért nem tudom, hogy mit küldjek el pontosan, szóval elküldöm az egészet.

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.Net;

using System.Net.Sockets;

namespace ZoCo

{

public partial class ZoCo : Form

{

Socket sck;

EndPoint epLocal, epRemote;

byte[] buffer;

public ZoCo()

{

InitializeComponent();

}

private void textBox3_TextChanged(object sender, EventArgs e)

{

}

private void Form1_Load(object sender, EventArgs e)

{

//set up socket

sck = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);

sck.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReuseAddress, true);

// get user IP

textLocalIP.Text = GetLocalIP();

textRemoteIP.Text = GetLocalIP();

}

private string GetLocalIP()

{

IPHostEntry host;

host = Dns.GetHostEntry(Dns.GetHostName());

foreach (IPAddress ip in host.AddressList)

{

if (ip.AddressFamily == AddressFamily.InterNetwork)

return ip.ToString();

}

return "127.0.0.1";

}

private void Exit_Click(object sender, EventArgs e)

{

this.Close();

}

private void buttonConnect_Click(object sender, EventArgs e)

{

//binding Socket

epLocal = new IPEndPoint(IPAddress.Parse(textLocalIP.Text), Convert.ToInt32(textLocalPort.Text));

sck.Bind(epLocal);

//Connecting to remote IP

epRemote = new IPEndPoint(IPAddress.Parse(textRemoteIP.Text), Convert.ToInt32(textRemotePort.Text));

sck.Connect(epRemote);

//Listening the specific port

buffer = new byte[1500];

sck.BeginReceiveFrom(buffer, 0, buffer.Length, SocketFlags.None, ref epRemote, new AsyncCallback(MessageCallBack), buffer);

}

private void buttonSend_Click(object sender, EventArgs e)

{

//Convert string message to byte[]

ASCIIEncoding aEncoding = new ASCIIEncoding();

byte[] sendingMessage = new byte[1500];

sendingMessage = aEncoding.GetBytes(textMessage.Text);

//Sending the Encoded message

sck.Send(sendingMessage);

//adding to the listbox

listMessage.Items.Add("You: " + textMessage.Text);

textMessage.Text = "";

}

private void label5_Click(object sender, EventArgs e)

{

}

private void pictureBox1_Click(object sender, EventArgs e)

{

}

private void listMessage_SelectedIndexChanged(object sender, EventArgs e)

{

}

private void groupBox2_Enter(object sender, EventArgs e)

{

}

private void groupBox1_Enter(object sender, EventArgs e)

{

}

private void button1_Click(object sender, EventArgs e)

{

Form2 openForm = new Form2();

openForm.Show();

}

private void textMessage_TextChanged(object sender, EventArgs e)

{

}

private void MessageCallBack(IAsyncResult aResult)

{

try

{

byte[] receivedData = new byte[1500];

receivedData = (byte[])aResult.AsyncState;

//Converting byte[] to String

ASCIIEncoding aEncoding = new ASCIIEncoding();

string receivedMessage = aEncoding.GetString(receivedData);

//Adding this message into Listbox

listMessage.Items.Add("Friend: " + receivedMessage);

buffer = new byte[1500];

sck.BeginReceiveFrom(buffer, 0, buffer.Length, SocketFlags.None, ref epRemote, new AsyncCallback(MessageCallBack), buffer);

buttonConnect.Text = "Connected";

buttonConnect.Enabled = false;

buttonConnect.Enabled = true;

textMessage.Focus();

}

catch (Exception ex)

{

MessageBox.Show(ex.ToString());

}

}

}

}