using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Xml.Serialization;

using System.Xml;

using System.IO;

using System.Diagnostics;

using System.Collections.ObjectModel;

using System.Threading;

using System.ComponentModel;

using System.Xml.Linq;

using System.Reflection;

using System.Data;

using System.Xml.Schema;

using System.Text.RegularExpressions;

using System.Net;

using System.Xml.XPath;

using System.Globalization;

using System.ComponentModel.DataAnnotations;

using System.Collections;

using System.Runtime.InteropServices;

using System.Runtime.Serialization;

​

    // https://stackoverflow.com/questions/47641622/serialize-parallel-arrays-to-xml-in-c-sharp-in-a-specific-order

​

    public partial class PartList

    {

        [XmlIgnore]

        public List<string> Name { get; } = new List<string>();

​

        [XmlIgnore]

        public List<string> Data { get; } = new List<string>();

​

        [XmlIgnore]

        public List<string> OtherData { get; } = new List<string>();

​

        [System.Xml.Serialization.XmlElementAttribute("Name", typeof(Name), Form = System.Xml.Schema.XmlSchemaForm.Unqualified)]

        [System.Xml.Serialization.XmlElementAttribute("Data", typeof(Data), Form = System.Xml.Schema.XmlSchemaForm.Unqualified)]

        [System.Xml.Serialization.XmlElementAttribute("OtherData", typeof(OtherData), Form = System.Xml.Schema.XmlSchemaForm.Unqualified)]

        public ValueWrapper<string>[] Values

        {

            get

            {

                var list = new List<ValueWrapper<string>>();

                for (int i = 0, count = Math.Max(Name.Count, Math.Max(Data.Count, OtherData.Count)); i < count; i++)

                {

                    if (i < Name.Count)

                        list.Add(new Name { Value = Name[i] });

                    if (i < Data.Count)

                        list.Add(new Data { Value = Data[i] });

                    if (i < OtherData.Count)

                        list.Add(new OtherData { Value = OtherData[i] });

                }

                return list.ToArray();

            }

            set

            {

                if (value == null)

                    return;

                Name.AddRange(value.OfType<Name>().Select(v => v.Value));

                Data.AddRange(value.OfType<Data>().Select(v => v.Value));

                OtherData.AddRange(value.OfType<OtherData>().Select(v => v.Value));

            }

        }

    }

​

    public class Name : ValueWrapper<string> { }

​

    public class Data : ValueWrapper<string> { }

​

    public class OtherData : ValueWrapper<string> { }

​

    public abstract class ValueWrapper<T> : ValueWrapper where T : IConvertible

    {

        public override object GetValue() => Value; 

        [XmlText]

        public T Value { get; set; }

    }

​

    public abstract class ValueWrapper

    {

        public abstract object GetValue();

    }

​

    [XmlRoot("Part", Namespace = "")]

    public class Part

    {

        public PartList List { get; set; }

    }

​

    class TestClass

    {

        public static void Test()

        {

            var part = new Part

            {

                List = new PartList

                {

                    Name = { "Some Test", "Other Lama" },

                    Data = { "123131313", "331331313" },

                    OtherData = { "0.11", "0.02" },

                }

            };

​

            var xml = part.GetXml(true);

​

            Console.WriteLine("\nInitially serialized {0}", part);

            Console.WriteLine(xml);

​

            var part2 = xml.LoadFromXml<Part>();

​

            var xml2 = part.GetXml(true);

​

            Console.WriteLine("\nDeserialized and re-serialized {0}", part);

            Console.WriteLine(xml2);

​

            Assert.IsTrue(XNode.DeepEquals(XElement.Parse(xml), XElement.Parse(xml2)));

            Assert.IsTrue(XNode.DeepEquals(XElement.Parse(xml), XElement.Parse(GetDesiredXml())));

            Console.WriteLine("\nActual and expected XML are equivalent.");

        }

​

        static string GetDesiredXml()

        {

            var xml = @"<Part>

    <List>

        <Name>Some Test</Name>

        <Data>123131313</Data>

        <OtherData>0.11</OtherData>

        <Name>Other Lama</Name>

        <Data>331331313</Data>

        <OtherData>0.02</OtherData>

    </List>

</Part>";

            return xml;

        }

    }

​

    public class AssertionFailedException : System.Exception

    {

        public AssertionFailedException() : base() { }

​

        public AssertionFailedException(string s) : base(s) { }

    }

​

    public static class Assert

    {

        public static void IsTrue(bool value)

        {

            IsTrue(value, "failed");

        }

​

        public static void IsTrue(bool value, string message)

        {

            if (value == false)

                throw new AssertionFailedException(message ?? "failed");

        }

    }

​

    public static class XmlSerializationHelper

    {

        public static T LoadFromXml<T>(this string xmlString, XmlSerializer serial = null)

        {

            serial = serial ?? new XmlSerializer(typeof(T));

            using (var reader = new StringReader(xmlString))

            {

                return (T)serial.Deserialize(reader);

            }

        }

​

        public static string GetXml<T>(this T obj, bool omitStandardNamespaces)

        {

            return obj.GetXml(null, omitStandardNamespaces);

        }

        public static string GetXml<T>(this T obj, XmlSerializer serializer = null, bool omitStandardNamespaces = false)

        {

            XmlSerializerNamespaces ns = null;

            if (omitStandardNamespaces)

            {

                ns = new XmlSerializerNamespaces();

                ns.Add("", ""); // Disable the xmlns:xsi and xmlns:xsd lines.

            }           

            using (var textWriter = new StringWriter())

            {

                var settings = new XmlWriterSettings() { Indent = true }; // For cosmetic purposes.

                using (var xmlWriter = XmlWriter.Create(textWriter, settings))

                    (serializer ?? new XmlSerializer(obj.GetType())).Serialize(xmlWriter, obj, ns);

                return textWriter.ToString();

            }

        }

    }

    public class Program

    {

        public static void Main()

        {

            Console.WriteLine("Roslyn 2.0 Compiler; Environment version: " + Environment.Version);

            Console.WriteLine();

​

            try

            {

                TestClass.Test();

            }

            catch (Exception ex)

            {

                Console.WriteLine("Uncaught exception: ");

                Console.WriteLine(ex);

                throw;

            }

        }

    }

​