using System;

using Newtonsoft.Json;

public class Program

{

    public static void Main()

    {

        ObjectA objectA = new ObjectA();

        objectA.Id = 99;

        objectA.Name = "Joe King";

        Console.WriteLine("BEFORE");

        Console.WriteLine(objectA.Id.ToString() + "|" + objectA.Name);

        ObjectB objectB = new ObjectB(objectA);

        objectB.DoSomething();

        Console.WriteLine("AFTER");

        Console.WriteLine(objectA.Id.ToString() + "|" + objectA.Name);

    }

}

​

​

public class ObjectB

{

    ObjectA _objA = null;

    ObjectA _objACopy = null;

    public ObjectB(ObjectA objA)

    {

        _objA = objA;

        _objACopy = Object.Clone<ObjectA>(objA);

    }

    public void DoSomething()

    {

        _objA.Id = 100;

        _objA.Name = "Bob Smith";

        _objA.Id = _objACopy.Id;

        _objA.Name = _objACopy.Name;

    }

}

​

​

public class ObjectA

{

    public int Id {get;set;}

    public string Name {get;set;}

}

​

public class Object

{

    public static T Clone<T>(T source)

    {

        var serialized = JsonConvert.SerializeObject(source);

        return JsonConvert.DeserializeObject<T>(serialized);

    }

}