My FactoryMethod in C #

Myfactorymethod
Using System;
Using System.Collections;
Singlepage Class,which Build the in last Product,part element
----Top class
Abstract class Singlepage
{
};
----ELEMENT1
Class Registerpage:singlepage
{
};
----Element2
Class Loginpage:singlepage
{
};
----ELEMENT3
Class Indexpage:singlepage
{
};
----ELEMENT4
Class Titlepage:singlepage
{
};
----ELEMENT5
Class Contentpage:singlepage
{
};
----ELEMENT6
Class Postpage:singlepage
{
};
----ELEMENT7
Class Replypage:singlepage
{
};
----------------------------------------------End of Page class
Homepage Class,factorymethod is in this class,creater
----Top class
Abstract class Homepage
{
Fields,the AIM Page Data
Protected ArrayList pages=new ArrayList ();

Properties
Public ArrayList Pages
{
Get{return pages;
}
Methods
Public homepage ()
{
This. Createhomepage ();
}

Abstract public void createhomepage ();
};
----CONCRETECLASS1
Class Forum:homepage
{
Override public void Createhomepage ()
{
Pages.Add (New Registerpage ());
Pages.Add (New LoginPage ());
Pages.Add (New Indexpage ());
Pages.Add (New Titlepage ());
Pages.Add (New Contentpage ());
Pages.Add (New Postpage ());
Pages.Add (New Replypage ());

}
};
----CONCRETECLASS2
Class Guestbook:homepage
{
Override public void Createhomepage ()
{
Pages.Add (New Registerpage ());
Pages.Add (New LoginPage ());
Pages.Add (New Contentpage ());
Pages.Add (New Replypage ());
}
};
----------------------------------------------End of Homepage class
Test
Class TESTAPP
{
public static void Main (string[] args)
{
Homepage aforum=new Forum ();
Homepage aguestbook=new Guestbook ();

foreach (Singlepage singlepage in Aforum. Pages)
{
Console.WriteLine ("In a forum homepage contians {0}", singlepage);
}

foreach (Singlepage singlepage in Aguestbook. Pages)
{
Console.WriteLine ("In a guestbook homepage contians {0}", singlepage);
}

while (true) {}

}
};