Comments by mohamedhbmaam (Top 4 by date)

the problem is't in my code because my code work fine in LAN just like the ping(work fine in LAN too)
but here my code
TCPServer
<pre>
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Net;
using System.Net.Sockets;
using System.Windows.Forms;

namespace NetServer
{
public delegate object ClientConnectHandler(Socket datasocket);
public delegate void DataReceivedHandler(object obj,byte[] data);
public delegate void ClientDisconnectHandler(object obj);
public class TCPServer
{
public event ClientConnectHandler WhenClientConnect;
public event DataReceivedHandler WhenDataReceived;
public event ClientDisconnectHandler WhenClientDisconnect;
Socket ConnectionSocket;
IPEndPoint Endpoint;
byte[] Data=new byte[10000];
object obj=new object();
List<socket> OnlineClients = new List<socket>();

public TCPServer()
{
ConnectionSocket = new Socket(AddressFamily.InterNetwork,SocketType.Stream,ProtocolType.Tcp);
Endpoint = new IPEndPoint(IPAddress.Parse(Dns.GetHostByName(Dns.GetHostName()).AddressList[0].ToString()),6666);
}
public TCPServer(string ip, int port)
{
ConnectionSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
Endpoint = new IPEndPoint(IPAddress.Parse(ip), port);
}

public void Listen()
{
ConnectionSocket.Bind(Endpoint);
ConnectionSocket.Listen(100);
ConnectionSocket.BeginAccept(new AsyncCallback(OnClientConnect), null);
}
public void OnClientConnect(IAsyncResult result)
{
Socket s = ConnectionSocket.EndAccept(result);
OnlineClients.Add(s);
if (WhenClientConnect != null)
obj = WhenClientConnect(s);
ConnectionSocket.BeginAccept(new AsyncCallback(OnClientConnect), null);
s.BeginReceive(Data, 0, Data.Length, SocketFlags.None, new AsyncCallback(OnDataReceived), new SSocket { Object=obj , Socket=s});
}
public void OnDataReceived(IAsyncResult result)
{
SSocket ssocket = (SSocket)result.AsyncState;
try
{
int size = ssocket.Socket.EndReceive(result);
if (WhenDataReceived != null)
WhenDataReceived(ssocket.Object, Data.Take(size).ToArray());
Data = new byte[10000];
ssocket.Socket.BeginReceive(Data, 0, Data.Length, SocketFlags.None, new AsyncCallback(OnDataReceived), new SSocket { Object = obj, Socket = ssocket.Socket });
}
catch(SocketException ex)
{
if(ex.ErrorCode == 10054)
{
foreach (Socket item in OnlineClients)
if (ssocket.Socket == item)
OnlineClients.Remove(item);

if (WhenClientDisconnect != null)
WhenClientDisconnect(ssocket.Object);
}
}
}
public void Send(Socket socket,byte[] data)
{
if(socket!=null)
socket.Send(data);
}
}
public class SSocket
{
object obj;
public object Object
{
get { return obj; }
set { obj = value; }
}
Socket socket;
public Socket Socket
{
get { return socket; }
set { socket = value; }
}
}
}

</pre>

TCPClient
<pre>
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Net.Sockets;
using System.Net;
using System.Windows.Forms;

namespace NetClientTest
{
public delegate void DataReceivedHandler(byte[] data);
public class TCPClient
{
byte[] data = new b