using System;

using Newtonsoft.Json;

using Newtonsoft.Json.Linq;

public class Program

{

    public static void Main()

    {

        //dynamic state = new JObject();

        //state.a = "aap";

        //state.b = "banaan";

        dynamic prestate = new {

            pre1 = "ohjeej"};

        string nullState = null;

        dynamic state = new 

        {           

            a = prestate, 

            b = nullState

        };

        var payload = JsonConvert.SerializeObject(state);

        Console.WriteLine(payload);

        dynamic parsed = JsonConvert.DeserializeObject(payload);

        if(parsed.a is null)

        {

            Console.WriteLine("a is null");

        }

        if(parsed.a.Value is null)

        {

            Console.WriteLine("a is null value");

        }

        if(parsed["a"] is null)

        {

            Console.WriteLine("a quoted is null");

        }

        if(parsed["a"].Value is null)

        {

            Console.WriteLine("a quoted is null value");

        }

        if(parsed.a is JToken)

        {

            Console.WriteLine("a is Jtoken");

        }

        if(parsed.b is null)

        {

            Console.WriteLine("b is null");

        }

        if(parsed.b.Value is null)

        {

            Console.WriteLine("b is null value");

        }

        if(parsed["b"] is null)

        {

            Console.WriteLine("b quoted is null");

        }

        if(parsed["b"].Value is null)

        {

            Console.WriteLine("b quoted is null value");

        }

        if(parsed.b is JToken)

        {

            Console.WriteLine("b is Jtoken");

        }

        if(parsed.c is null)

        {

            Console.WriteLine("c is null");

        }

        //nullpointer

        //if(parsed.c.Value is null)

        //{

        //  Console.WriteLine("c is null value");

        //}

        if(parsed["c"] is null)

        {

            Console.WriteLine("c quoted is null");

        }

        //nullpointer       

        //if(parsed["c"].Value is null)

        //{

        //  Console.WriteLine("c quoted is null value");

        //}

        if(parsed.c is JToken)

        {

            Console.WriteLine("c is Jtoken");

        }

        Console.WriteLine((parsed.a as JToken).Type);

        Console.WriteLine((parsed.b as JToken).Type);

        Console.WriteLine(parsed.a);

        Console.WriteLine(parsed.b);

    }

}