gistfile1.txt

void Main()
{
  var animals = new Animal[] { new Cat(), new Dog() };
	
	MakeSound makeSound;
	
	foreach (var animal in animals)
	{
		makeSound = animal.MakeSound;
		
		makeSound();
	}
}

abstract class Animal
{
	public abstract void MakeSound();
}

class Cat : Animal
{
	public override void MakeSound()
	{
		Console.WriteLine("Mjau!");
	}
}

class Dog : Animal
{
	public override void MakeSound()
	{
		Console.WriteLine("Woof!");
	}
}

delegate void MakeSound();