/// The StgCreateDocfileOnILockBytes function creates and opens a new compound file

    public extern static int StgCreateDocfileOnILockBytes(ILockBytes plkbyt, StgmConstants grfMode, int reserved, out IStorage ppstgOpen);

    /// The StgCreateDocfileOnILockBytes function creates and opens a new compound file

    public extern static int StgCreateDocfileOnILockBytes(ILockBytes plkbyt, int grfMode, int reserved, out IStorage ppstgOpen);