System.Xml.Serialization.XmlSerializationReader.ReadString C# (CSharp) Метод

        protected string ReadString(string value, bool trim)
        {
            string str = _r.ReadString();
            if (str != null && trim)
                str = str.Trim();
            if (value == null || value.Length == 0)
                return str;
            return value + str;
        }