A signature field lock dictionary: the fields whose values may no longer change once the signature field is signed.
public sealed class PdfSignatureFieldLock
ISO 32000-2 §12.7.5.5, Table 236 (PDF 1.5). A live view over the dictionary.
kind:method, kind:property, kind:ctor. Press Esc to clear.ActionGets which fields are locked (Action, required).DictionaryGets the lock dictionary.FieldNamesGets the fully qualified names of the fields included or excluded (Fields); empty when absent.PermissionsGets the access permissions granted once signed (P, PDF 2.0): 1, 2 or 3; null when absent (no effect).