ForeachToWhile.cs

var delayedGreetings = new List<Func<string>>();

{
    using (var e = ((IEnumerable<string>)new[] { "Larry", "Moe", "Curly" }).GetEnumerator())
    {
        string name;
        while (e.MoveNext())
        {
            name = e.Current;
            delayedGreetings.Add(() => "Hello, " + name + "!");
        }
    }
}

//Some time later...
foreach (var greeting in delayedGreetings)
    Console.WriteLine(greeting());