//声明类的时候:
using System;
class IndexerClass
{
private int [] myArray = new int[100];
public int this [int index] // 注意,在这里声明索引器
{
get
{
if (index < 0 || index >= 100)
return 0;
else
return myArray[index];
}
set
{
if (!(index < 0 || index >= 100))
myArray[index] = value;
}
}
}
public class MainClass
{
public static void Main()
{
IndexerClass b = new IndexerClass();
// 在这里使用索引器
b[3] = 256;
b[5] = 1024;
for (int i=0; i<=10; i++)
{
Console.WriteLine("Element #{0} = {1}", i, b[i]);
}
}
}