iTextSharp.text.pdf.Barcode39.GetCode39Ex C# (CSharp) Метод

        public static string GetCode39Ex(string text) {
            string ret = "";
            for (int k = 0; k < text.Length; ++k) {
                char c = text[k];
                if (c > 127)
                    throw new ArgumentException("The character '" + c + "' is illegal in code 39 extended.");
                char c1 = EXTENDED[c * 2];
                char c2 = EXTENDED[c * 2 + 1];
                if (c1 != ' ')
                    ret += c1;
                ret += c2;
            }
            return ret;
        }