Insert at the Specified Index in StringCollection in C#

To insert at the specified index in StringCollection, the code is as follows −

Example

 Live Demo

using System;
using System.Collections.Specialized;
public class Demo {
   public static void Main(){
      StringCollection strCol = new StringCollection();
      strCol.Add("Accessories");
      strCol.Add("Books");
      strCol.Add("Electronics");
      Console.WriteLine("StringCollection elements...");
      foreach (string res in strCol){
         Console.WriteLine(res);
      }
      strCol.Insert(2, "Headphone");
      Console.WriteLine("StringCollection elements...UPDATED");
      foreach (string res in strCol){
         Console.WriteLine(res);
      }
   }
}

Output

This will produce the following output −

StringCollection elements... Accessories
Books
Electronics
StringCollection elements...UPDATED Accessories
Books
Headphone
Electronics

Example

Let us now see another example −

 Live Demo

using System;
using System.Collections.Specialized;
public class Demo {
   public static void Main(){
      StringCollection strCol = new StringCollection();
      strCol.Add("Laptop");
      strCol.Add("Desktop");
      strCol.Add("Tablet");
      strCol.Add("Speakers");
      Console.WriteLine("StringCollection elements...");
      foreach (string res in strCol){
         Console.WriteLine(res);
      }
      strCol.Insert(2, "Headphone");
      strCol.Insert(3, "Alienware");
      Console.WriteLine("StringCollection elements...UPDATED");
      foreach (string res in strCol){
         Console.WriteLine(res);
      }
      strCol.Insert(4, "E-Book Reader");
      strCol.Insert(5, "Monitor");
      strCol.Insert(6, "HDD");
      strCol.Insert(7, "SSD");
      Console.WriteLine("StringCollection elements...UPDATED");
      foreach (string res in strCol){
         Console.WriteLine(res);
      }
   }
}

Output

This will produce the following output −

StringCollection elements...
Laptop
Desktop
Tablet
Speakers
StringCollection elements...UPDATED Laptop
Desktop
Headphone
Alienware
Tablet
Speakers
StringCollection elements...UPDATED Laptop
Desktop
Headphone
Alienware
E-Book Reader
Monitor
HDD
SSD
Tablet
Speakers