How to make sure if a path string is existence or not?

  When I got a input path sring, how can I make sure if it is existence or not ?
  Is there a MFC member function ?
  How can I do it?
  Looking forward your suggestion.
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Here's a way to do it using MFC:

BOOL FileExists (LPCTSTR Filename) {
   CFileStatus Status;
   return (CFile::GetStatus (Filename, Status));

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henry3Author Commented:
   Thanks for your advice.
   But CFile::GetStatus function can not distinguish folders between files. As I said , in fact I wanna consider a file as a inexisting path (or folders) .
Because I want to send some files to the folder, sending a file to file will turn to a ERROR.
   May be I don't express my Qestion exactly. But
How can I get the above purpose?
   After all, your answer is helpful.
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