using System;

using System.Collections.Generic;

using System.Runtime.Serialization;

using Newtonsoft.Json;

​

namespace case_insensitive_dictionary_init

{

    [DataContract]

    public class HierarchyInfo

    {

        public HierarchyInfo()

        {

        }

​

        public Dictionary<string, string> Data

        {

            get

            {

                if (m_data == null)

                {

                    Console.WriteLine("Assigning case insensitive dictionary.");

                    m_data = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);

                }

​

                return m_data;

            }

        }

​

        // Move this to the Data property above to fix the string comparer.

        [DataMember(Name = "Data", EmitDefaultValue = false)]

        private Dictionary<string, string> m_data;

    }

​

    class Program

    {

        static void Main(string[] args)

        {

            var original = new HierarchyInfo();

            original.Data["mona"] = "lisa";

            Inspect(original);

​

            var json = JsonConvert.SerializeObject(original);

            Console.WriteLine($"Json: {json}");

​

            var reconstituted = JsonConvert.DeserializeObject<HierarchyInfo>(json);

​

            Inspect(reconstituted);

        }

​

        static void Inspect(HierarchyInfo hierarchyInfo)

        {

            Console.WriteLine($"Dictionary keys: {string.Join(",", hierarchyInfo.Data.Keys)}");

            Console.WriteLine($"Dictionary comparer: {hierarchyInfo.Data.Comparer}");

​

            // Prints true for the original object, false for the deserialized object.

            Console.WriteLine($"Mona found: {hierarchyInfo.Data.ContainsKey("Mona")}");

            Console.WriteLine();

        }

    }

}