CInternetSession::OpenURL exception if headers are defined. Works fine if not. Why?
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Published on 2010-05-04T08:03:45Z
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2010/05/04
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Trying to log the application version details in our weblogs using the headers:
Should be a one liner..but for some reason whenever I specify anything but NULL for the headers it causes an exception (InternetOpenUrl() call returns NULL) - anyone able to explain why?
CInternetSession internet;
CHttpFile * pHttpFile;
CString headers;// = APPLICATION_SUITE_NAME;
DWORD dwHeadersLength = -1;
headers.Format("%s %s %s\n",APPLICATION_SUITE_NAME,SHORT_APPLICATION_VERSION,BUILDNO_STR);
pHttpFile =(CHttpFile *) internet.OpenURL(lpszURL, 1, INTERNET_FLAG_TRANSFER_ASCII|INTERNET_FLAG_DONT_CACHE, headers, dwHeadersLength);
Without the headers, dwHeadersLength parameter (eg. pass in NULL,-1) then it goes through fine and I see the request come through to our website. But why does it fail if I pass in custom headers?
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