iTextSharp.text.pdf.PdfStamperImp.SetAdditionalAction C# (CSharp) Метод

        public override void SetAdditionalAction(PdfName actionType, PdfAction action)
        {
            if (!(actionType.Equals(DOCUMENT_CLOSE) ||
            actionType.Equals(WILL_SAVE) ||
            actionType.Equals(DID_SAVE) ||
            actionType.Equals(WILL_PRINT) ||
            actionType.Equals(DID_PRINT))) {
                throw new PdfException(MessageLocalization.GetComposedMessage("invalid.additional.action.type.1", actionType.ToString()));
            }
            PdfDictionary aa = reader.Catalog.GetAsDict(PdfName.AA);
            if (aa == null) {
                if (action == null)
                    return;
                aa = new PdfDictionary();
                reader.Catalog.Put(PdfName.AA, aa);
            }
            MarkUsed(aa);
            if (action == null)
                aa.Remove(actionType);
            else
                aa.Put(actionType, action);
        }