pdfCloseFileEx

Purpose — pdfCloseFile plus encryption in one call.

Description — If an open and/or owner password (or a restriction mask) is supplied, the Standard Security Handler is applied with the requested key length before closing; with all-empty parameters it behaves exactly like pdfCloseFile.

BOOL32 __stdcall pdfCloseFileEx(PPDF IPDF, const char* OpenPwd,
                                const char* OwnerPwd, int32_t KeyLen,
                                uint32_t Restrict);

Parameters — OpenPwd/OwnerPwd (UTF-8, may be NULL/empty), KeyLen (TKeyLen ordinal — RC4-40/RC4-128/AES-128 family, Volume 11), Restrict (permission mask, Volume 11).

Return value — as pdfCloseFile.

C# (P/Invoke)

[return: MarshalAs(UnmanagedType.Bool)]