using System;

using System.IO;

using System.Linq;

using System.Runtime.Serialization.Formatters.Binary;

​

namespace ConsoleApp1

{

    public class Program

    {

        public static void Main(string[] args)

        {

            var a = new UserData();

            var b = new UserData();

​

            var aS = ObjectToByte(a);

            var bS = ObjectToByte(b);

            Console.WriteLine("A : {0}", a);

            Console.WriteLine("B : {0}", b);

            // result for empty objects are equal

            Console.WriteLine("A == B ? => {0} \n\n", aS.SequenceEqual(bS));

​

            a = new UserData()

            {

                ForeName = "A",

                Initials = "CC",

                SurName = "B",

            };

​

            b = new UserData()

            {

                ForeName = "AX",

                Initials = "CC",

                SurName = "B",

            };

​

            aS = ObjectToByte(a);

            bS = ObjectToByte(b);

​

            Console.WriteLine("A : {0}", a);

            Console.WriteLine("B : {0}", b);

            // result for same data type with different object values are not equal

            Console.WriteLine("A == B ? => {0} \n\n", aS.SequenceEqual(bS));

​

            a = new UserData()

            {

                ForeName = "AX",

                Initials = "CC",

                SurName = "B",

            };

            b = a;

​

            aS = ObjectToByte(a);

            bS = ObjectToByte(b);

​

            Console.WriteLine("A : {0}", a);

            Console.WriteLine("B : {0}", b);

            // result for same data type with same object values are equal

            Console.WriteLine("A == B ? => {0} \n\n", aS.SequenceEqual(bS));

        }

​

        public static byte[] ObjectToByte(object item)

        {

            var formatter = new BinaryFormatter();

            using (var memory = new MemoryStream())

            {

                formatter.Serialize(memory, item);

                return memory.ToArray();

            }

        }

    }

​

    [Serializable]

    public class UserData

    {

        public string SurName { get; set; }

        public string ForeName { get; set; }

        public string Initials { get; set; }

​

        public override string ToString()

        {

            return string.Format("{{SurName: {0} , ForeName:{1}, Initials:{2}}}", SurName ?? "Empty", ForeName ?? "Empty", Initials ?? "Empty");

        }

    }

}

​