iTextSharp.text.pdf.PdfStamperImp.UnRegisterReader C# (CSharp) Method

        public void UnRegisterReader(PdfReader reader)
        {
            if (!readers2intrefs.ContainsKey(reader))
                return;
            readers2intrefs.Remove(reader);
            RandomAccessFileOrArray raf;
            if (!readers2file.TryGetValue(reader, out raf))
                return;
            readers2file.Remove(reader);
            try{raf.Close();}catch{}
        }