Remove all elements from OrderedDictionary in CSharp

using System;/*w w  w  .j  a v a 2s.c om*/
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");

        Console.WriteLine(myOrderedDictionary.Count);
        myOrderedDictionary.Clear();
        Console.WriteLine(myOrderedDictionary.Count);
        
        myOrderedDictionary.Add("newKey1", "newValue1");
        myOrderedDictionary.Add("newKey2", "newValue2");
        myOrderedDictionary.Add("newKey3", "newValue3");
        Console.WriteLine(myOrderedDictionary.Count);
   }
}