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PdfEmbeddedFile Class

Represents an embedded file stream (PDF 1.3) that enables embedding the contents of referenced files directly within the body of the PDF file. This makes the PDF file a self-contained unit that can be stored or transmitted as a single entity.
Inheritance Hierarchy
SystemObject
  SautinSoft.PdfPdfObject
    SautinSoft.PdfPdfEmbeddedFile

Namespace: SautinSoft.Pdf
Assembly: SautinSoft.Pdf (in SautinSoft.Pdf.dll) Version: 2024.11.26
Syntax
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public class PdfEmbeddedFile : PdfObject

The PdfEmbeddedFile type exposes the following members.

Properties
 NameDescription
Public propertyCheckSum

(Optional) A 16-byte array that is the checksum of the bytes of the uncompressed embedded file. The checksum shall be calculated by applying the standard MD5 message-digest algorithm (described in Internet RFC 1321, The MD5 Message-Digest Algorithm) to the bytes of the embedded file stream.

Note  Note
This is strictly a checksum, and is not used for security purposes.
Public propertyCompressedSize Gets the size of the compressed embedded file, in bytes.
Public propertyCreationDate(Optional) The date and time when the embedded file was created. See "Table 157: Entries in a collection field dictionary".
Public propertyMediaType(Optional, required in the case of an embedded file stream used as as associated file) The media type of the embedded file. The value of this entry shall conform to the MIME media type names defined in Internet RFC2046, Multipurpose Internet Mail Extensions (MIME), Part Two: Media Types.
Public propertyModificationDate(Optional, required in the case of an embedded file stream used as an associated file) The date and time when the embedded file was last modified. See "Table 157: Entries in a collection field dictionary".
Public propertySize(Optional) The size of the uncompressed embedded file, in bytes. See "Table 157: Entries in a collection field dictionary".
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Methods
 NameDescription
Public methodOpenRead Opens this PdfEmbeddedFile so its data can be read. The data is automatically uncompressed, if needed.
Public methodOpenWrite Opens this PdfEmbeddedFile so its data can be written.
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Extension Methods
 NameDescription
Public Extension MethodGetArray Gets the PdfArray that serves as a backing storage of the specified PdfObject or if no PdfArray serves as a backing storage of the specified PdfObject.
(Defined by PdfObjectExtensions)
Public Extension MethodGetDictionary Gets the PdfDictionary that serves as a backing storage of the specified PdfObject.
(Defined by PdfObjectExtensions)
Public Extension MethodGetOrAddDictionary Gets the PdfDictionary that serves as a backing storage of the specified PdfObject.
(Defined by PdfObjectExtensions)
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See Also