socketasynceventargs的有关问题

public void StartAccept(SocketAsyncEventArgs acceptEventArg)    {        if (acceptEventArg == null)        {            acceptEventArg = new SocketAsyncEventArgs();            acceptEventArg.Completed += new EventHandler<SocketAsyncEventArgs>(AcceptEventArg_Completed);        }        else        {            // socket must be cleared since the context object is being reused            acceptEventArg.AcceptSocket = null;        }        m_maxNumberAcceptedClients.WaitOne();        bool willRaiseEvent = listenSocket.AcceptAsync(acceptEventArg);        if (!willRaiseEvent)        {            ProcessAccept(acceptEventArg);        }    }    private void ProcessAccept(SocketAsyncEventArgs e)    {        Interlocked.Increment(ref m_numConnectedSockets);        Console.WriteLine("Client connection accepted. There are {0} clients connected to the server",            m_numConnectedSockets);        // Get the socket for the accepted client connection and put it into the         //ReadEventArg object user token        SocketAsyncEventArgs readEventArgs = m_readWritePool.Pop();        ((AsyncUserToken)readEventArgs.UserToken).Socket = e.AcceptSocket;        // As soon as the client is connected, post a receive to the connection        bool willRaiseEvent = e.AcceptSocket.ReceiveAsync(readEventArgs);        if(!willRaiseEvent){            ProcessReceive(readEventArgs);        }        // Accept the next connection request        StartAccept(e);    }