Get the number of key/value pairs in the StringDictionary in CSharp

using System;/*from  ww w. ja  va  2s.c  o  m*/
using System.Collections;
using System.Collections.Specialized;

public class SamplesStringDictionary  {

   public static void Main()  {
      StringDictionary myCol = new StringDictionary();
      myCol.Add( "red", "rojo" );
      myCol.Add( "green", "verde" );
      myCol.Add( "blue", "azul" );

      Console.WriteLine( myCol.Count );
   }
}