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# PDFDocumentFileAttachmentRelationship

Namespace: O2S.Components.PDF4NET

Specifies the supported relationship types between a file attachment and its owner.

    public enum PDFDocumentFileAttachmentRelationship

Inheritance Object → ValueType → Enum → PDFDocumentFileAttachmentRelationship
Implements

## Fields

Name | Value | Description
--- | --- | ---
Source | 0 | The file attachment is the original source material for the associated content.
Data | 1 | The file attachment represents information used to derive a visual presentation.
Alternative | 2 | The file attachment is an alternative representation of content.
Supplement | 3 | The file attachment represents a supplemental representation of the original source or data that may be more easily consumable.
Unspecified | 4 | Relationship is not known.