BOOL CSerialPort::Read(void* lpBuf, 1, OVERLAPPED& overlapped)
{
  DWORD dwBytesRead = 0;
  BOOL fRes=TRUE;
  
  BOOL bSuccess = ReadFile(m_hComm, lpBuf, 1, &dwBytesRead, &overlapped);
  if (!bSuccess)
  {
    if (GetLastError() != ERROR_IO_PENDING)
    {
      TRACE(_T("Failed in call to ReadFile\n"));
      AfxThrowSerialException();
    }
	else
    {
        DWORD dwRes = WaitForSingleObject(overlapped.hEvent, 15);
        // Write is pending.
        switch(dwRes)
        {
            // OVERLAPPED structure's event has been signaled. 
            case WAIT_OBJECT_0:
                if (!::GetOverlappedResult(m_hComm, &overlapped, &dwBytesRead, TRUE))
                {
                    fRes = FALSE;
                }
                else
                {
                    // Read operation completed successfully.
                    return TRUE;
                }
            break;
            case WAIT_TIMEOUT:
                {
                    CloseHandle(overlapped.hEvent);
                    return FALSE;
                }
                    
            default:
                // An error has occurred in WaitForSingleObject.
                // This usually indicates a problem with the
                // OVERLAPPED structure's event handle.
                fRes = FALSE;
                break;
        }
      }
  }
  return bSuccess;
}