title: send Request using Https with C++/MFC
body: <p>my code:</p>
  
  <pre><code>CHttpFile* pFile = pHttpConnect-&gt;OpenRequest(CHttpConnection::HTTP_VERB_POST, _T("/pass/serviceLoginAuth2"), NULL, 1, NULL, NULL, INTERNET_FLAG_SECURE);  
  pFile-&gt;SendRequest(NULL, 0, szRequest, _tcslen(szRequest)+1);  
  </code></pre>
  
  <p>the code i create CHttpFile and send content.i use it to login website.the content of Request I capture :fiddler.network.https> Failed to secure existing connection for xxxxx.xx.com. 
  the attribute of protocol still is HTTP,and did not send my post data.It seem like have exception when connect to sever.</p>