using System;

using Newtonsoft.Json;

public class Program

{

    public enum e {

        val1 = 0,

    }

    public class c {

        public e _e {get;set;}

    }

    public static void Main()

    {

        int v = 1;

        e ev = (e)v;

        c _c = new c() { _e = ev };

        var x = JsonConvert.SerializeObject(_c);

        var y = JsonConvert.DeserializeObject<c>(x);

        System.Console.WriteLine(y._e);

    }

}