System.Xml.Serialization.ReflectionXmlSerializationWriter.GetMemberValue C# (CSharp) Method

        private object GetMemberValue(object o, string memberName)
        {
            MemberInfo[] memberInfos = o.GetType().GetMember(memberName);

            if (memberInfos == null)
            {
                throw new InvalidOperationException("cannot find member:" + memberName);
            }

            var memberInfo = memberInfos[0];
            object memberValue = GetMemberValue(o, memberInfo);
            return memberValue;
        }