ClassComparer.cs

using System;
using System.Reflection;

namespace CompareProperties
{
    class Program
    {
        static void Main(string[] args)
        {
            var object1 = new MyObject { Bool = false, Integer = 42, Long = 13 };
            var object2 = new MyObject { Bool = false, Integer = 47, Long = 13 };

            foreach (var prop in object1.GetType().GetProperties())
            {
                var lhs = prop.GetValue(object1);
                var rhs = prop.GetValue(object2);

                if (!lhs.Equals(rhs))
                {
                    Console.WriteLine("{0} vs {1}", prop.GetValue(object1), prop.GetValue(object2));
                    Console.WriteLine("Values mismatching in: " + prop.Name);
                }
            }
        }
    }

    public class MyObject
    {
        public int Integer { get; set; }

        public bool Bool { get; set; }

        public long Long { get; set; }
    }
}

TODO: Refactor with generics and interfaces. Add collection change tracker.