////   This file contains the C# code from Program 7.14 of//   "Data Structures and Algorithms//    with Object-Oriented Design Patterns in C#"//   by Bruno R. Preiss.////   Copyright (c) 2001--2002 by Bruno R. Preiss, P.Eng.  All rights reserved.////   http://www.brpreiss.com/books/opus6/programs/pgm07_14.txt//public class OrderedListAsLinkedList :    AbstractSearchableContainer, OrderedList{    protected LinkedList linkedList;    public override void Withdraw(ComparableObject obj)    {	if (count == 0)	    throw new ContainerEmptyException();	linkedList.Extract(obj);	--count;    }    // ...}