tests/ctags/interface_indexers.cs

   1 // cs_interface_indexers.cs
   2 using System;
   3 // Indexer on an interface:
   4 public interface IMyInterface
   5 {
   6    // indexer declaration:
   7    int this[int index]
   8    {
   9       get;
  10       set;
  11    }
  12 }
  13
  14 // Implementing the interface:
  15 class IndexerClass : IMyInterface
  16 {
  17    private int [] myArray = new int[100];
  18    public int this [int index]   // indexer declaration
  19    {
  20       get
  21       {
  22          // Check the index limits
  23          if (index < 0 || index >= 100)
  24             return 0;
  25          else
  26             return myArray[index];
  27       }
  28       set
  29       {
  30          if (!(index < 0 || index >= 100))
  31             myArray[index] = value;
  32       }
  33    }
  34 }
  35
  36 public class MainClass
  37 {
  38    public static void Main()
  39    {
  40       IndexerClass b = new IndexerClass();
  41       // call the indexer to initialize the elements #3 and #5:
  42       b[2] = 4;
  43       b[5] = 32;
  44       for (int i=0; i<=10; i++)
  45       {
  46          Console.WriteLine("Element #{0} = {1}", i, b[i]);
  47       }
  48    }
  49 }