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.Net;

​

using Newtonsoft.Json;

using Newtonsoft.Json.Linq;

using Newtonsoft.Json.Converters;

using Newtonsoft.Json.Serialization;    

​

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

​

    public abstract class WorkbenchAPI

    {

        protected abstract IReadOnlyCollection<dynamic> GetResults();

        public string status { get; set; }

        public HttpStatusCode code { get; set; }

        public string error { get; set; }

        public string guid { get; set; }

        public IReadOnlyCollection<dynamic> results => GetResults();

    }

​

    public class WorkbenchAPI<T> : WorkbenchAPI where T : class

    {

        protected override IReadOnlyCollection<dynamic> GetResults() => results;

        public new List<T> results { get; set; } = new List<T>();

    }

​

    public class ClassA

    {

        public string SamAccountName { get; set; }

        public string CN { get; set; }

        public string EmailAddress { get; set; }

    }

​

    class TestClass

    {

        public static void Test()

        {

            var json = GetJson();

            // Deserialize to the concrete, known type

            var root = JsonConvert.DeserializeObject<WorkbenchAPI<ClassA>>(json);

​

            // Access the results in a type-safe manner:

            var accounts = root.results.Select(r => r.SamAccountName).ToList();

            // Upcast to the base class in code where we don't need to know about the specific result type.

            // E.g.: accessing root properties like guid or getting the result count.

            WorkbenchAPI baseRoot = root;

            var count = baseRoot.results.Count;

            var guid = baseRoot.guid;

            Console.WriteLine("Accounts: {0}", string.Join(',', accounts));

            Console.WriteLine("guid = {0}, result count = {1}", guid, count);

            var json2 = JsonConvert.SerializeObject(root, Newtonsoft.Json.Formatting.Indented);

            Console.WriteLine(json2);

        }   

        static string GetJson()

        {

            var json = @"{

    ""status"": ""ok"",

    ""code"": 200,

    ""error"": null,

    ""guid"": ""1234"",

    ""results"": [

        {

            ""SamAccountName"": ""dizbuster"",

            ""CN"": ""Buster, Diz"",

            ""EmailAddress"": ""dizbuster@whatever.com"",

        }

    ]

}";

            return json;

        }

    }

​

    public class Program

    {

        public static void Main()

        {

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

            Console.WriteLine("Json.NET version: " + 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;

        }

    }

​