Sort and search an ArrayList.

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// You must include System.Collections

ArrayList Al = new ArrayList(); 
     
// Add elements to the array list 
Al.Add(23); 
Al.Add(443); 
Al.Add(-254); 
Al.Add(-988); 
Al.Add(421); 
    
// Sort the array list 
Al.Sort(); 
  
// Search in the array list
MessageBox.Show("Index of 443 is " + Al.BinarySearch(443));