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PdfSignatureLock Properties

The PdfSignatureLock type exposes the following members.

Properties
 NameDescription
Public propertyAuthorPermission

Gets the permission, specified by a certification signature (also known as an author signature) (PDF 1.5), with which the author specifies what changes made to the document invalidate the author's signature.

If the value is , then the signature does not specify a DocMDP transform method in this PdfSignatureLock, but some other.

To set the AuthorPermission, sign the PdfSignatureField with a PdfSigner whose AuthorPermission is not .

Public propertyLockedFields

Gets the set of form fields, specified by either a certification signature or a regular, approval signature (also known as a recipient signature), whose change invalidate the signature.

If the value is , then the signature does not specify a FieldMDP transform method in this PdfSignatureLock, but some other.

To set the LockedFields, use any SetLockedFields method before signing on a PdfSignatureField that holds the signature.

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