iTextSharp.text.pdf.BaseField.TrimRight C# (CSharp) Method

        protected static void TrimRight(StringBuilder buf)
        {
            int len = buf.Length;
            while (true) {
                if (len == 0)
                    return;
                if (buf[--len] != ' ')
                    return;
                buf.Length = len;
            }
        }