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

        public override PdfIndirectReference GetPageReference(int page)
        {
            PdfIndirectReference ref_p = reader.GetPageOrigRef(page);
            if (ref_p == null)
                throw new ArgumentException(MessageLocalization.GetComposedMessage("invalid.page.number.1", page));
            return ref_p;
        }