Remove the entry at the specified index from the OrderedDictionary collection in CSharp

using System;/*  w ww.ja  v a 2s.  co  m*/
using System.Collections;
using System.Collections.Specialized;

public class SamplesStringCollection  {

   public static void Main()  {
        OrderedDictionary myOrderedDictionary = new OrderedDictionary();
        myOrderedDictionary.Add("testKey1", "testValue1");
        myOrderedDictionary.Add("testKey2", "testValue2");
        myOrderedDictionary.Add("testKey3", "testValue3");


        myOrderedDictionary.RemoveAt(myOrderedDictionary.Count - 1);
    
        Console.WriteLine(myOrderedDictionary.Contains("testKey3"));
   }
}