Csharp/CSharp Tutorial/Class/Two Dimensional Indexer

A two-dimensional indexer

<source lang="csharp">using System;

class MyArray2D {

 public MyArray2D(int r, int c) { 
 } 

 // This is the indexer for MyArray2D. 
 public int this[int index1, int index2] { 
   // This is the get accessor. 
   get { 
       return index1 + index2; 
   } 
 } 

}

class MainClass {

 public static void Main() {  
   MyArray2D myArray = new MyArray2D(3, 5); 
   int x; 

   for(int i=0; i < 6; i++) { 
     x = myArray[i,i]; 
     if(x != -1) Console.Write(x + " "); 
   } 
   Console.WriteLine(); 

 } 

}</source>

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