iTextSharp.text.pdf.PRTokeniser.ReadString C# (CSharp) Метод

        public string ReadString(int size) {
            StringBuilder buf = new StringBuilder();
            int ch;
            while ((size--) > 0) {
                ch = file.Read();
                if (ch == -1)
                    break;
                buf.Append((char)ch);
            }
            return buf.ToString();
        }