PdfModificationKind Enum

What a change made to a document after a signature is, from the least to the most significant.

public enum PdfModificationKind

Fields

NameValueDescription
ValidationData0Validation data of the signatures: the document security store (ISO 32000-2, 12.8.4.3).
DocumentTimestamp1A document time stamp (ISO 32000-2, 12.8.5).
Signature2A signature: a signature field, its widget and its signature dictionary.
FormFilling3The value or the appearance of a field that existed when the document was signed.
Annotation4An annotation other than a widget: added, changed or deleted.
Other5Any other change: the content of a page, the metadata, a new field that is not a signature, and so on.