using System;

using System.Collections.Generic;

using System.Linq;

​

public class Program

{

    public static void Main()

    {

        var test1 = new Test()

        {Value = 1};

        var test2 = new Test()

        {Value = 2};

        var objects = new[]{test1, test2};

        IEnumerable<int> values = objects.Select(o => o.Value);

        test1.Value = 5;

        foreach (var v in values)

        {

            Console.WriteLine(v);

        }

    }

}

​

public class Test

{

    public int Value { get; set; }

}