m_socket.Create(0);
	m_socket.Connect("192.168.201.42",7575);
	m_cedit="connect";
	UpdateData(FALSE);
	Sleep(2000);
	if((m_socket.ShutDown(SD_BOTH))!=SOCKET_ERROR)
	{
		fd_set readfds;
		fd_set errorfds;
		timeval timeout;
		FD_ZERO(&readfds);
		FD_ZERO(&errorfds);
		FD_SET(m_socket,&readfds);
		FD_SET(m_socket,&errorfds);

		timeout.tv_sec=0;
		timeout.tv_usec=100;
		::select(1,&readfds,NULL,&errorfds,&timeout);
	}
	m_socket.Close();
	m_cedit="disconnect";
	UpdateData(FALSE);
	CDialog::OnTimer(nIDEvent);