m_dwfiletype = ftp_transfer_type_binary;
}
// 获取远程文件的大小，有的时候不能成功
m_dwtotalfilesize = getremotefilesize();
trace("remote file size is %d\n", m_dwtotalfilesize);
m_dwcurrentftpsize = 0;
lptstr lpmsg = null; // 错误信息
// 打开internet连接
m_hsession = internetopen( _t("ftp_ctrl"),
internet_open_type_direct,
m_szproxyname,
m_szproxypwd,
internet_flag_no_cache_write);
if(m_hsession == null)
