SerializableDictionary

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Runtime.Serialization;
using System.Security.Permissions;
using System.Runtime.Serialization.Formatters.Binary;
using System.IO;

namespace SettingsDict
{
    class Program
    {
        static void Main(string[] args)
        {
            Enumerable.Range(0, 10).ToList().ForEach(x => Settings.AddValue(x.ToString(), x));


            Console.WriteLine(string.Join(",", Settings.data.Values));
            var bf = new BinaryFormatter();
            var ms = new MemoryStream();
            bf.Serialize(ms, Settings.data);

            ms.Position = 0;
            for (int i = 0; i < ms.Length; i++)
                Console.Write(ms.ReadByte());
            Console.WriteLine();
            ms.Position = 0;

            var data = (SerializableDictionary<string, object>)bf.Deserialize(ms);
            Console.WriteLine(string.Join(",", data.Values));
            Console.ReadLine();
        }
    }

    static class Settings
    {
        public static SerializableDictionary<string, object> data = new SerializableDictionary<string, object>();

        public static void AddValue<T>(string key, T value)
        {
            data.Add(key, value);
        }

        public static T GetValue<T>(string key)
        {
            return (T)data[key];
        }
    }

    [Serializable]
    public class SerializableDictionary<TKey, TValue> : Dictionary<TKey, TValue>, ISerializable where TKey : IConvertible
    {
        public SerializableDictionary() { }
        protected SerializableDictionary(SerializationInfo info, StreamingContext context)
        {
            foreach (var datum in info) Add((TKey)Convert.ChangeType(datum.Name, typeof(TKey)), (TValue)datum.Value);
        }
        [SecurityPermissionAttribute(SecurityAction.Demand, SerializationFormatter = true)]
        public override void GetObjectData(SerializationInfo info, StreamingContext context)
        {
            foreach (var datum in this) info.AddValue(datum.Key.ToString(), datum.Value);
        }
    }
}