System.Runtime.Serialization.EnumDataContract.EnumDataContract.EnumDataContractCriticalHelper.ImportDataMembers C# (CSharp) Method

            private void ImportDataMembers()
            {
                Type type = this.UnderlyingType;
                FieldInfo[] fields = type.GetFields(BindingFlags.Static | BindingFlags.Public);
                Dictionary<string, DataMember> memberValuesTable = new Dictionary<string, DataMember>();
                List<DataMember> tempMembers = new List<DataMember>(fields.Length);
                List<long> tempValues = new List<long>(fields.Length);

                for (int i = 0; i < fields.Length; i++)
                {
                    FieldInfo field = fields[i];
                    bool enumMemberValid = false;
                    if (_hasDataContract)
                    {
                        object[] memberAttributes = field.GetCustomAttributes(Globals.TypeOfEnumMemberAttribute, false).ToArray();
                        if (memberAttributes != null && memberAttributes.Length > 0)
                        {
                            if (memberAttributes.Length > 1)
                                ThrowInvalidDataContractException(SR.Format(SR.TooManyEnumMembers, DataContract.GetClrTypeFullName(field.DeclaringType), field.Name));
                            EnumMemberAttribute memberAttribute = (EnumMemberAttribute)memberAttributes[0];

                            DataMember memberContract = new DataMember(field);
                            if (memberAttribute.IsValueSetExplicitly)
                            {
                                if (memberAttribute.Value == null || memberAttribute.Value.Length == 0)
                                    ThrowInvalidDataContractException(SR.Format(SR.InvalidEnumMemberValue, field.Name, DataContract.GetClrTypeFullName(type)));
                                memberContract.Name = memberAttribute.Value;
                            }
                            else
                                memberContract.Name = field.Name;
                            ClassDataContract.CheckAndAddMember(tempMembers, memberContract, memberValuesTable);
                            enumMemberValid = true;
                        }

                        object[] dataMemberAttributes = field.GetCustomAttributes(Globals.TypeOfDataMemberAttribute, false).ToArray();
                        if (dataMemberAttributes != null && dataMemberAttributes.Length > 0)
                            ThrowInvalidDataContractException(SR.Format(SR.DataMemberOnEnumField, DataContract.GetClrTypeFullName(field.DeclaringType), field.Name));
                    }
                    else
                    {
                        if (!field.IsNotSerialized)
                        {
                            DataMember memberContract = new DataMember(field);
                            memberContract.Name = field.Name;
                            ClassDataContract.CheckAndAddMember(tempMembers, memberContract, memberValuesTable);
                            enumMemberValid = true;
                        }
                    }

                    if (enumMemberValid)
                    {
                        object enumValue = field.GetValue(null);
                        if (_isULong)
                            tempValues.Add((long)Convert.ToUInt64(enumValue, null));
                        else
                            tempValues.Add(Convert.ToInt64(enumValue, null));
                    }
                }

                Interlocked.MemoryBarrier();
                _members = tempMembers;
                _values = tempValues;
            }
        }