API Reference
PdfAttachmentInfo
Lightweight metadata for an embedded or associated PDF file attachment without exposing the attachment payload.
Inheritance
- Object
- PdfAttachmentInfo
Usage
Explore 17 API references to this type
This type appears in these public API surfaces even when no hand-authored example is attached directly to the page.
Returned or exposed by 14
- Method PdfDocumentInfo.GetAttachmentsByFileName
- Method PdfDocumentInfo.GetAttachmentsByName
- Method PdfDocumentInfo.GetAttachmentsByRelationship
- Method PdfDocumentInfo.GetAttachmentsBySource
- Property PdfDocumentInfo.Attachments
- Property PdfDocumentInfo.AttachmentsByFileName
- Property PdfDocumentInfo.AttachmentsByName
- Property PdfDocumentInfo.AttachmentsByRelationship
- Property PdfDocumentInfo.AttachmentsBySource
- Method PdfDocumentReadResult.GetAttachmentsByFileName
- Method PdfDocumentReadResult.GetAttachmentsByRelationship
- Method PdfDocumentReadResult.GetAttachmentsBySource
- Property PdfDocumentReadResult.Attachments
- Property PdfReadDocument.Attachments
Accepted by parameters 3
- Method PdfAttachmentEditSession.Remove
- Method PdfDocumentAttachments.Extract
- Method PdfDocumentAttachments.Remove
Inherited Methods
public virtual Boolean Equals(Object? obj) #BooleanParameters
- obj Object?
Properties
public String Name { get; } #Name-tree key or associated-file fallback name for this attachment.
public String FileName { get; } #File name from the file specification dictionary.
public String? UnicodeFileName { get; } #Unicode file name from /UF, when present.
public String? Description { get; } #Human-readable file description from /Desc, when present.
public String? MimeType { get; } #MIME type decoded from the embedded file stream /Subtype name, when present.
public PdfAssociatedFileRelationship Relationship { get; } #Associated-file relationship from /AFRelationship, or Unspecified when absent.
public String Filter { get; } #PDF stream filter name or comma-separated filter names when present.
public Int32 FileSpecObjectNumber { get; } #Object number of the file specification dictionary, or 0 for a direct dictionary.
public Int32 EmbeddedFileObjectNumber { get; } #Object number of the embedded file stream, or 0 for a direct stream.
public Int32 SizeBytes { get; } #Encoded attachment stream size in bytes. This is a compatibility alias for PdfAttachmentInfo.EncodedSizeBytes; it is not the decoded attachment size when stream filters are present.
public Int32 EncodedSizeBytes { get; } #Exact encoded attachment stream size stored in the PDF.
public Int32? DeclaredSizeBytes { get; } #Untrusted decoded-size claim from the embedded-file /Params /Size entry, when present. Callers must not use this value as a resource limit.
public Int32? DecodedSizeBytes { get; } #Decoded attachment size is unknown during metadata-only inspection. Extract the attachment under PdfReadLimits.MaxTotalAttachmentBytes and inspect its payload length when the exact value is required.
public String Source { get; } #Catalog source that referenced this attachment, for example Names/EmbeddedFiles or AF.
public DateTimeOffset? CreationDate { get; } #Embedded-file creation date, when readable.
public DateTimeOffset? ModificationDate { get; } #Embedded-file modification date, when readable.
public Boolean IsAssociatedFile { get; } #True when the attachment was referenced from the catalog /AF associated-files array.