using System;

using Newtonsoft.Json;

using Newtonsoft.Json.Linq;

using System.Collections.Generic;

using Newtonsoft.Json.Serialization;

public class Program

{

    public static void Main()

    {

        var dict = new Dictionary<string, string>();

        dict.Add("Chave", "Valor");

        dict.Add("Chave2", "Valor");

        //string json = JsonConvert.SerializeObject(jo);

        //var jObject = JsonConvert.DeserializeObject<ExpandoObject>(json);

​

        var settings = new JsonSerializerSettings()

        {

            ContractResolver = new CamelCasePropertyNamesContractResolver()

        };

​

        var serialized = JsonConvert.SerializeObject(dict, settings);

        Console.WriteLine("Hello World " + serialized.ToString());

    }

}