/*
C# Programming Tips & Techniques
by Charles Wright, Kris Jamsa
Publisher: Osborne/McGraw-Hill (December 28, 2001)
ISBN: 0072193794
*/
//
// Indexer.cs -- Implements an indexer in a class
//
// Compile this program with the following command line:
// C:>csc Indexer.cs
//
namespace nsIndexer
{
using System;
public class Indexer
{
static public void Main ()
{
clsIndexed idx = new clsIndexed (10);
Console.WriteLine ("The value is " + idx[3]);
idx.Show (3);
}
}
class clsIndexed
{
public clsIndexed (int elements)
{
DateTime now = DateTime.Now;
Random rand = new Random ((int) now.Millisecond);
Arr = new int [elements];
for (int x = 0; x < Arr.Length; ++x)
Arr[x] = rand.Next() % 501;
}
int [] Arr;
public int this[int index]
{
get
{
if ((index < 0) || (index > Arr.Length))
throw (new ArgumentOutOfRangeException());
return (Arr[index]);
}
}
public void Show (int index)
{
Console.WriteLine ("The value is " + Arr[index]);
}
}
}
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