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CDCB dcb; <br />if (!::GetCommState(m_hFile,&dcb)) <br />{ <br /> return FALSE; <br />} <br /> dcb.fNull=false; // !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! <br /> dcb.fOutxCtsFlow = false; // Disable CTS monitoring <br /> dcb.fOutxDsrFlow = false; // Disable DSR monitoring <br /> dcb.fDtrControl = DTR_CONTROL_DISABLE; // Disable DTR monitoring <br /> dcb.fOutX = false; // Disable XON/XOFF for transmission <br /> dcb.fInX = false; // Disable XON/XOFF for receiving <br /> dcb.fRtsControl = RTS_CONTROL_DISABLE; // Disable RTS (Ready To Send) <br /> if (!::SetCommState(m_hFile,&dcb)) <br /> { <br /> return FALSE; <br /> } <br /><br />该问题我在ACCESS PORT软件开发网站提出过，不过他们好像不感兴趣，具体连接见：<br />http://www.sudt.com/cn/guestbook/<br />标题：AccessPort过滤0x00的问题
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