C#

server = new Socket(AddressFamily.InterNetwork, SocketType.Stream,
                ProtocolType.Tcp);
            IPEndPoint ipep = new IPEndPoint(IPAddress.Parse("169.254.25.129"), 9050);
            server.Bind(ipep);
            server.Listen(-1);
            server.BeginAccept(new AsyncCallback(AcceptConn), server);

public void AcceptConn(IAsyncResult iar)
        {
            Socket oldServer = (Socket)iar.AsyncState;            
            connInfo[sockCount].ConnSock = oldServer.EndAccept(iar);
            
            //begin an asynch receive operation, to receive any data coming from remote host
            connInfo[sockCount].ConnSock.BeginReceive(DataReceiveBuffer, 0, DataReceiveBuffer.Length,
                SocketFlags.None, new AsyncCallback(ReceiveData), connInfo[sockCount].ConnSock);
            
            //Fill information into data grid
            FillInDataGridView(connInfo[sockCount]);
            
            //begin an asynch accept operation, to listen to any incoming connection
            server.BeginAccept(new AsyncCallback(AcceptConn), server);            
        } 

public void ReceiveData(IAsyncResult iar)
        {
                Socket remote = (Socket)iar.AsyncState;
                int recv = remote.EndReceive(iar);
                
                // to begin other async receive operation
                remote.BeginReceive(DataReceiveBuffer, 0, DataReceiveBuffer.Length, SocketFlags.None,
                    new AsyncCallback(ReceiveData), remote);       
 }