Factory Method pattern in C#

This code shows how to use factory method pattern in C#

using System;
using System.Collections;

namespace DoFactory.GangOfFour.Factory.Structural
{

  
  class MainApp
  {
    static void Main()
    {
      
      Creator[] creators = new Creator[2];
      creators[0] = new ConcreteCreatorX();
      creators[1] = new ConcreteCreatorY();

      foreach(Creator creator in creators)
      {
        Product product = creator.FactoryMethod();
        Console.WriteLine("Created {0}", 
          product.GetType().Name);
      }

      Console.Read();
    }
  }


  abstract class Product
  {
  }



  class ConcreteProductX : Product
  {
  }

  
  class ConcreteProductY : Product
  {
  }


  abstract class Creator
  {
    public abstract Product FactoryMethod();
  }


  class ConcreteCreatorX : Creator
  {
    public override Product FactoryMethod()
    {
      return new ConcreteProductX();
    }
  }


  class ConcreteCreatorY : Creator
  {
    public override Product FactoryMethod()
    {
      return new ConcreteProductY();
    }
  }
}