cpp-docs/docs/atl-mfc-shared/reference/codesnippet/CPP/opening-files_1.cpp at main · MicrosoftDocs/cpp-docs · GitHub

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         TCHAR* pszFileName = _T("c:\\test\\myfile.dat");
         CFile myFile;
         CFileException fileException;

         if ( !myFile.Open( pszFileName, CFile::modeCreate |
                 CFile::modeReadWrite, &fileException ) )
         {
            TRACE( _T("Can't open file %s, error = %u\n"),
               pszFileName, fileException.m_cause );
         }