using System;

using System.Collections.Generic;

using System.Linq;

using Newtonsoft.Json;

using Newtonsoft.Json.Serialization;

​

public class Program

{

    public static void Main()

    {

        var customer = new Customer()

        {Email = "asd@asd.com", Test = "asdasd"};

        var a = Serialize(customer, false);

        var b = Serialize(customer, true);

        Console.WriteLine(a);

        Console.WriteLine(b);

        var desA = Deserialize<Customer>(a, false);

        var desB = Deserialize<Customer>(b, true);

        Console.WriteLine("TestA: {0}", desA.Test);

        Console.WriteLine("TestB: {0}", desB.Test);

    }

​

    static string Serialize(object obj, bool newNames)

    {

        JsonSerializerSettings settings = new JsonSerializerSettings();

        settings.Formatting = Formatting.Indented;

        if (newNames)

        {

            settings.ContractResolver = new CustomNamesContractResolver();

        }

​

        return JsonConvert.SerializeObject(obj, settings);

    }

​

    static T Deserialize<T>(string text, bool newNames)

    {

        JsonSerializerSettings settings = new JsonSerializerSettings();

        settings.Formatting = Formatting.Indented;

        if (newNames)

        {

            settings.ContractResolver = new CustomNamesContractResolver();

        }

​

        return JsonConvert.DeserializeObject<T>(text, settings);

    }

}

​

class CustomNamesContractResolver : DefaultContractResolver

{

    protected override IList<JsonProperty> CreateProperties(System.Type type, MemberSerialization memberSerialization)

    {

        // Let the base class create all the JsonProperties 

        // using the short names

        IList<JsonProperty> list = base.CreateProperties(type, memberSerialization);

        // Now inspect each property and replace the 

        // short name with the real property name

        foreach (JsonProperty prop in list)

        {

            if (prop.UnderlyingName == "Test")

            {

                prop.PropertyName = "testx";

                prop.Order = 10;

            }

            else {

                prop.Order = 20;

            }

        }

​

        return list.OrderBy(x => x.Order).ToList();

    }

}

​

public class Customer

{

    [JsonProperty(PropertyName = "email", Order = 10)]

    public string Email

    {

        get;

        set;

    }

​

    [JsonProperty(PropertyName = "test", Order = 20)]

    public string Test

    {

        get;

        set;

    }

}