protected override int ReflectionWriteMembers(XmlWriterDelegator xmlWriter, object obj, XmlObjectSerializerWriteContext context, ClassDataContract classContract, ClassDataContract derivedMostClassContract, int childElementIndex, XmlDictionaryString[]?emptyStringArray) { int memberCount = (classContract.BaseContract == null) ? 0 : ReflectionWriteMembers(xmlWriter, obj, context, classContract.BaseContract, derivedMostClassContract, childElementIndex, emptyStringArray); childElementIndex += memberCount; XmlDictionaryString[] memberNames = classContract.MemberNames !; XmlDictionaryString ns = classContract.Namespace; context.IncrementItemCount(classContract.Members !.Count); for (int i = 0; i < classContract.Members.Count; i++, memberCount++) { DataMember member = classContract.Members[i]; Type memberType = member.MemberType; if (member.IsGetOnlyCollection) { context.StoreIsGetOnlyCollection(); } else { context.ResetIsGetOnlyCollection(); } bool shouldWriteValue = true; object?memberValue = null; if (!member.EmitDefaultValue) { memberValue = ReflectionGetMemberValue(obj, member); object?defaultValue = XmlFormatGeneratorStatics.GetDefaultValue(memberType); if ((memberValue == null && defaultValue == null) || (memberValue != null && memberValue.Equals(defaultValue))) { shouldWriteValue = false; if (member.IsRequired) { XmlObjectSerializerWriteContext.ThrowRequiredMemberMustBeEmitted(member.Name, classContract.UnderlyingType); } } } if (shouldWriteValue) { bool writeXsiType = CheckIfMemberHasConflict(member, classContract, derivedMostClassContract); if (memberValue == null) { memberValue = ReflectionGetMemberValue(obj, member); } PrimitiveDataContract?primitiveContract = member.MemberPrimitiveContract; if (writeXsiType || !ReflectionTryWritePrimitive(xmlWriter, context, memberType, memberValue, memberNames[i + childElementIndex] /*name*/, ns, primitiveContract)) { ReflectionWriteStartElement(xmlWriter, memberType, ns, ns.Value, member.Name, 0); if (classContract.ChildElementNamespaces ![i + childElementIndex] != null)