private static void ReflectionInternalSerialize(XmlWriterDelegator xmlWriter, XmlObjectSerializerWriteContext context, object obj, bool isDeclaredType, bool writeXsiType, Type memberType, bool isNullableOfT = false)
 {
     if (isNullableOfT)
     {
         context.InternalSerialize(xmlWriter, obj, isDeclaredType, writeXsiType, DataContract.GetId(memberType.TypeHandle), memberType.TypeHandle);
     }
     else
     {
         context.InternalSerializeReference(xmlWriter, obj, isDeclaredType, writeXsiType, DataContract.GetId(memberType.TypeHandle), memberType.TypeHandle);
     }
 }
        void WriteValue(Type memberType, object memberValue, bool writeXsiType)
        {
            Pointer memberValueRefPointer = null;

            if (memberType.IsPointer)
            {
                memberValueRefPointer = (Pointer)XmlFormatGeneratorStatics.BoxPointer.Invoke(null, new object [] { memberValue, memberType });
            }
            bool isNullableOfT = (memberType.IsGenericType &&
                                  memberType.GetGenericTypeDefinition() == Globals.TypeOfNullable);

            if (memberType.IsValueType && !isNullableOfT)
            {
                PrimitiveDataContract primitiveContract = PrimitiveDataContract.GetPrimitiveDataContract(memberType);
                if (primitiveContract != null && !writeXsiType)
                {
                    primitiveContract.XmlFormatContentWriterMethod.Invoke(writer, new object [] { memberValue });
                }
                else
                {
                    // InternalSerialize(XmlFormatGeneratorStatics.InternalSerializeMethod, () => memberValue, memberType, writeXsiType);
                    var typeHandleValue = Type.GetTypeHandle(memberValue);
                    var isDeclaredType  = typeHandleValue.Equals(CodeInterpreter.ConvertValue(memberValue, memberType, Globals.TypeOfObject));

                    ctx.InternalSerialize(writer, memberValue, isDeclaredType, writeXsiType, DataContract.GetId(memberType.TypeHandle), memberType.TypeHandle);
                }
            }
            else
            {
                bool isNull;
                if (isNullableOfT)
                {
                    memberValue = UnwrapNullableObject(() => memberValue, ref memberType, out isNull);                     //Leaves !HasValue on stack
                }
                else
                {
                    isNull = memberValue == null;
                }
                if (isNull)
                {
                    XmlFormatGeneratorStatics.WriteNullMethod.Invoke(ctx, new object [] { writer, memberType, DataContract.IsTypeSerializable(memberType) });
                }
                else
                {
                    PrimitiveDataContract primitiveContract = PrimitiveDataContract.GetPrimitiveDataContract(memberType);
                    if (primitiveContract != null && primitiveContract.UnderlyingType != Globals.TypeOfObject && !writeXsiType)
                    {
                        if (isNullableOfT)
                        {
                            primitiveContract.XmlFormatContentWriterMethod.Invoke(writer, new object [] { memberValue });
                        }
                        else
                        {
                            primitiveContract.XmlFormatContentWriterMethod.Invoke(ctx, new object [] { writer, memberValue });
                        }
                    }
                    else
                    {
                        bool isNull2 = false;
                        if (memberType == Globals.TypeOfObject ||                         //boxed Nullable<T>
                            memberType == Globals.TypeOfValueType ||
                            ((IList)Globals.TypeOfNullable.GetInterfaces()).Contains(memberType))
                        {
                            var unwrappedMemberValue = CodeInterpreter.ConvertValue(memberValue, memberType.GetType(), Globals.TypeOfObject);
                            memberValue = unwrappedMemberValue;
                            isNull2     = memberValue == null;
                        }
                        if (isNull2)
                        {
                            XmlFormatGeneratorStatics.WriteNullMethod.Invoke(ctx, new object [] { writer, memberType, DataContract.IsTypeSerializable(memberType) });
                        }
                        else
                        {
                            var typeHandleValue = Type.GetTypeHandle(memberValue);
                            var isDeclaredType  = typeHandleValue.Equals(CodeInterpreter.ConvertValue(memberValue, memberType, Globals.TypeOfObject));
                            if (isNullableOfT)
                            {
                                ctx.InternalSerialize(writer, memberValue, isDeclaredType, writeXsiType, DataContract.GetId(memberType.TypeHandle), memberType.TypeHandle);
                            }
                            else
                            {
                                ctx.InternalSerializeReference(writer, memberValue, isDeclaredType, writeXsiType, DataContract.GetId(memberType.TypeHandle), memberType.TypeHandle);
                            }
                            //InternalSerialize((isNullableOfT ? XmlFormatGeneratorStatics.InternalSerializeMethod : XmlFormatGeneratorStatics.InternalSerializeReferenceMethod), () => memberValue, memberType, writeXsiType);
                        }
                    }
                }
            }
        }