using System;

using Newtonsoft.Json;

using Newtonsoft.Json.Linq;

public class Program

{

    public static void Main()

    {

        string json = @"

            {

                ""MyFoo"": {

                    ""Stuff"": ""those,are,my,stuff""

                }

            }";

​

        var myJObject = JObject.Parse(json);

​

        var serializer = new JsonSerializer();

        serializer.Converters.Add(new CsvStringConverter());

​

        var bar = myJObject.ToObject<Bar>(serializer);

​

        foreach (var item in bar.MyFoo.Stuff)

        {

            Console.WriteLine(item);

        }

    }

}

​

public class Bar

{

    public Foo MyFoo { get; set; }

}

​

public class Foo

{

    public string[] Stuff { get; set; }

}

​

public class CsvStringConverter : JsonConverter

{

    public override bool CanConvert(Type objectType)

    {

        bool canConvert = objectType == typeof(string[]);

        Console.WriteLine("Can the converter handle " + objectType.Name + "? " + canConvert);

        return canConvert;

    }

​

    public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)

    {

        JToken token = JToken.Load(reader);

        if (token.Type == JTokenType.Null) 

            return null;

​

        if (token.Type == JTokenType.String)

            return ((string)token).Split(',');

​

        if (token.Type == JTokenType.Array) 

            return token.ToObject<string[]>(serializer);

        throw new JsonException("Unexpected token type: " + token.Type);

    }

​

    public override bool CanWrite => false;

​

    public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer)

    {

        throw new NotImplementedException();

    }

}

​