1 using System;
2 using System.Collections.Generic;
3 using System.Linq;
4 using System.Text;
5
6 namespace 索引器
7 {
8 class Program
9 {
10 static void Main(string[] args)
11 {
12 var names = new IndexedNames();
13 names[0] = "这是";
14 names[1] = "一个";
15 names[2] = "关于";
16 names[3] = "索引器";
17 names[4] = "的";
18 names[5] = "例子";
19 names[6] = "!";
20 names[7] = "..";
21 names[8] = "..";
22 names[9] = "....";
23 for (int i = 0; i < 10; ++i )
24 {
25 Console.WriteLine(names[i]);
26 }
27 Console.ReadLine();
28 }
29 }
30
31 /// <IndexedNames> 索引器类
32 ///
33 /// </IndexedNames>
34 class IndexedNames
35 {
36 private string[] name_list = new string[10];
37 // 构造
38 public IndexedNames()
39 {
40 for (int i = 0; i < name_list.Length; ++i )
41 {
42 name_list[i] = "N/A";
43 }
44 }
45 /// <索引器> 属性
46 /// </索引器>
47 /// <param name="index">索引
48 /// </param>
49 /// <returns>返回一个字符串
50 /// </returns>
51 public string this[int index]
52 {
53 // get方法
54 get
55 {
56 string tmp;
57 if (index>=0&&index<=name_list.Length-1)
58 {
59 tmp = name_list[index];
60 }
61 else
62 {
63 tmp = "";
64 }
65 return tmp;
66 }
67 // set方法
68 set
69 {
70 if (index >= 0 && index <= name_list.Length - 1)
71 {
72 name_list[index] = value;
73 }
74 }
75 }
76 }
77 }
![](https://images2015.cnblogs.com/blog/905542/201603/905542-20160321170943151-317770121.png)