Get the UID of the temporary disk snapshot
PRL_RESULT PrlDisk_GetTemporarySnapshotUID( PRL_HANDLE hDisk, PRL_GUID_PTR pGUID );
PrlDisk.h
PRL_RESULT. Possible values are:
PRL_ERR_INVALID_ARG - Invalid handle or null pointer was passed. PRL_ERR_SUCCESS - Function completed successfully.