[This function is no longer supported, so its behavior cannot be guaranteed.]
The Extract function extracts files from a cabinet.
HRESULT Extract( PSESSION ps, LPCSTR lpCabName );
Pointer to a SESSION structure that contains information about the current session.
Pointer to the name of the cabinet from which files are to be extracted.
If the function succeeds, it returns S_OK; otherwise, it returns an error code.