using System;

using System.Collections;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Runtime.Serialization.Formatters;

using System.IO;

using System.Data;

using System.ComponentModel.DataAnnotations;

using System.Globalization;

using System.Reflection;

using System.Collections.ObjectModel;

​

using Newtonsoft.Json;

using Newtonsoft.Json.Linq;

using Newtonsoft.Json.Converters;

using Newtonsoft.Json.Serialization;    

using System.Dynamic;

​

using NUnit.Framework; // Throws NUnit.Framework.AssertionException

​

//https://stackoverflow.com/questions/62763142/how-can-i-combine-anonymous-types-with-linq-to-json

​

    class TestClass

    {

        public static void Test()

        {

            var s = GetJson();

​

            var o = JObject.Parse(s);

            var pairs = new JObject( ((JObject)o["test"])

                                    .Properties()

                                    .Select(p => new JProperty(p.Name, p.Value["name"])) );

            Console.WriteLine(pairs);

            var dictionary = ((JObject)o["test"]).Properties()

                .ToDictionary(p => p.Name, p => (string)p.Value["name"]);

            Console.WriteLine(JsonConvert.SerializeObject(dictionary, Formatting.Indented));

​

            var expando = new ExpandoObject();

            foreach (var p in ((JObject)o["test"]).Properties())

            {

                IDictionary<string, object> d = expando;

                d.Add(p.Name, (string)p.Value["name"]);

            }

            Console.WriteLine(JsonConvert.SerializeObject(expando, Formatting.Indented));

        }   

        static string GetJson()

        {

            return @"{

  ""test"": {

    ""CR"": {

     ""name"": ""Car""

    },

    ""BK"": {

     ""name"": ""Bike""

    }

}}";

        }

    }

​

    public class Program

    {

        public static void Main()

        {

            Console.WriteLine("Environment version: {0} ({1})", System.Runtime.InteropServices.RuntimeInformation.FrameworkDescription , GetNetCoreVersion());

            Console.WriteLine("{0} version: {1}", typeof(JsonSerializer).Assembly.GetName().Name,  typeof(JsonSerializer).Assembly.FullName);

            Console.WriteLine();

​

            try

            {

                TestClass.Test();

            }

            catch (Exception ex)

            {

                Console.WriteLine("Failed with unhandled exception: ");

                Console.WriteLine(ex);

                throw;

            }

        }

        public static string GetNetCoreVersion()

        {

            //https://techblog.dorogin.com/how-to-detect-net-core-version-in-runtime-ecd65ad695be

            //

            var assembly = typeof(System.Runtime.GCSettings).GetTypeInfo().Assembly;

            var assemblyPath = assembly.CodeBase.Split(new[] { '/', '\\' }, StringSplitOptions.RemoveEmptyEntries);

            int netCoreAppIndex = Array.IndexOf(assemblyPath, "Microsoft.NETCore.App");

            if (netCoreAppIndex > 0 && netCoreAppIndex < assemblyPath.Length - 2)

                return assemblyPath[netCoreAppIndex + 1];

            return null;

        }

    }

​