InternetOpen("Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0)", INTERNET_OPEN_TYPE_PROXY, "http=http://127.0.0.1:8118", NULL, 0)设置代理连接账号密码
InternetSetOption(hConnectionHandle, INTERNET_OPTION_PROXY_USERNAME, ProxyUsername, strlen(ProxyUsername));
InternetSetOption(hConnectionHandle, INTERNET_OPTION_PROXY_PASSWORD, ProxyPassword, strlen(ProxyPassword));