A File Identifier is described in section 8.3 of the PDF specification.
The first string is a permanent identifier based on the contents of the file
at the time it was originally created, and does not change as the file is
incrementally updated. The second string is a changing identifier based
on the file's contents the last time it was updated.
Kettic.AspNet.Controls (in Kettic.AspNet.Controls.dll) Version: 2014.4.1129.0 (2014.04.1129.0)
public class FileIdentifier : PdfObject
Public Class FileIdentifier
public ref class FileIdentifier : public PdfObject
type FileIdentifier =
The FileIdentifier type exposes the following members.
Initialises the CreatedPart and ModifiedPart to a randomly generated GUID.
Initialises the CreatedPart and ModifiedPart to the passed string.
If this class were being use to update a PDF's file identifier, we'd need
to add a method to parse an existing file identifier.