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

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