Is there a way to send a CString to a CFile without writing an actual file?

I have data stored in a CString and it needs to be parsed by an XML parser library. The problem is the XML parser takes in a CFile. It's not ideal to write out the CString to a text file and the开发者_JAVA百科n reload it into a CFile. Is there any way to directly send the CString to the CFile without making an intermediate output file?

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You should be able to use CMemFile to accomplish this. It inherits from CFile and allows you to specify an arbitrary buffer for data. The following sample code should work:

CString strData;
CMemFile memFile( (BYTE*)strData.GetBuffer() , (strData.GetLength() + 1) * sizeof(TCHAR) );

//Do something with memFile

strData.ReleaseBuffer();