iTextSharp.text.pdf.PdfCopyFieldsImp.IsPage C# (CSharp) Метод

        protected internal bool IsPage(PRIndirectReference refi)
        {
            IntHashtable refs;
            if (pages2intrefs.TryGetValue(refi.Reader, out refs))
                return refs.ContainsKey(refi.Number);
            else
                return false;
        }