Windows Internet InternetOpenUrl 返回代码

Windows Internet InternetOpenUrl 返回代码

HINTERNET   hSession   =   InternetOpen( "Agent ",   0,NULL,   NULL,   0);
HINTERNET   hOpener   =   InternetOpenUrl(hSession,  
                    "http://www.csdn.net/some/path/file.html ",   NULL,0,   1,   1);
DWORD   dwStatus;
DWORD   dwBuffLen   =   sizeof(dwStatus);
BOOL   bSuccess   =HttpQueryInfo(hOpener,  
                      HTTP_QUERY_STATUS_CODE|HTTP_QUERY_FLAG_NUMBER,  
                      &dwStatus,   &dwBuffLen,   0);
if(   bSuccess   &&   dwStatus==404   ){
          //文件未找到
}
InternetCloseHandle(hOpener);
InternetCloseHandle(hSession

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