System.Net.Sockets.NetworkStream.PollRead C# (CSharp) Method

        internal bool PollRead()
        {
            if (_cleanedUp)
            {
                return false;
            }

            Socket chkStreamSocket = _streamSocket;
            if (chkStreamSocket == null)
            {
                return false;
            }
            return chkStreamSocket.Poll(0, SelectMode.SelectRead);
        }