Create new nested directories in CSharp

using System;/*w ww  .j  a v a 2s.  c  o  m*/
using System.IO;

class Test 
{
    public static void Main() 
    {

         Directory.CreateDirectory("Public\\Html") ;
         Directory.CreateDirectory("\\Users\\User1\\Public\\Html") ;
         Directory.CreateDirectory("c:\\Users\\User1\\Public\\Html");
         Console.WriteLine("done");

    }
}