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//初始化串口的 writebuffersize = 2048
if (m_SerialPort.InitPort(this, m_nCom, m_nBaud,m_cParity,m_nDatabits,m_nStopbits,m_dwCommEvents,writebuffersize))
//接收消息响应的。
LONG CSMSModuleToolDlg::OnCommunication(WPARAM ch ,LPARAM port)
{
if (!m_bReceiveEnd)
{
m_ucRECEIVE[m_ReceiveLength++] = ch;
}
return 0;
}