Get a synchronized (thread-safe) wrapper for a SortedList in CSharp

using System;/*from   w ww.  ja v  a2s . co  m*/
using System.Collections;
public class SamplesSortedList  {

   public static void Main()  {
      SortedList mySL = new SortedList();
      mySL.Add( 2, "two" );
      mySL.Add( 3, "three" );
      mySL.Add( 1, "one" );
      mySL.Add( 0, "zero" );
      mySL.Add( 4, "four" );

      SortedList mySyncdSL = SortedList.Synchronized( mySL );

      Console.WriteLine(mySL.IsSynchronized);
      Console.WriteLine(mySyncdSL.IsSynchronized);
   }
}