////   This file contains the C# code from Program 4.5 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/pgm04_05.txt//public class DynamicArray{    protected object[] data;    protected int baseIndex;    public object[] Data    {	get { return data; }    }    public int BaseIndex    {	get { return baseIndex; }	set { this.baseIndex = baseIndex; }    }    public int Length    {	get { return data.Length; }	set	{	    if (data.Length != value)	    {		object[] newData = new object[value];		int min = data.Length < value ?		    data.Length : value;		for (int i = 0; i < min; ++i)		    newData[i] = data[i];		data = newData;	    }	}    }    // ...}