using System;

object referenceType = new object();

DateTime valueType = new DateTime(1, 2, 3);

​

public void AreTheyEqual(object o, DateTime d)

{

    Console.WriteLine("Reference types equal? {0}", referenceType == o);

    Console.WriteLine("Value types equal?     {0}", referenceType == o);

    Console.WriteLine("Reference types same?  {0}", Object.ReferenceEquals(o, referenceType));

    Console.WriteLine("Value types equal?     {0}", Object.ReferenceEquals(d, valueType));

}

​

AreTheyEqual(referenceType, valueType);