Options for a new embedded file: its media type, description, dates and associated-file relationship. Size and checksum are always computed from the contents.
public sealed class PdfEmbeddedFileOptions
ISO 32000-2 §7.11.3, Table 43 (Desc, AFRelationship), and §7.11.4.1, Tables 44 and 45 (Subtype,
Params). An embedded file used as an associated file shall have a Subtype and should have Params with a
ModDate (§14.13.2): the subtype is always written, the modification date only when ModificationDate is set.
kind:method, kind:property, kind:ctor. Press Esc to clear.CreationDateGets or sets when the file was created (Params CreationDate); null writes none.DescriptionGets or sets the description written as the file specification's Desc; null writes none.MediaTypeGets or sets the media type written as the stream's Subtype, such as text/csv; null, the default, writes application/octet-stream.ModificationDateGets or sets when the file was last modified (Params ModDate); null writes none.RelationshipGets or sets the relationship written as AFRelationship, for a file that will be an associated file; null, the default, writes none, which reads as Unspecified.