Environment.SpecialFolder

   
  

using System;
using System.Windows.Forms;
   
class MyDocumentsFolder
{
     public static void Main()
     {
          Console.WriteLine(Environment.GetFolderPath(Environment.SpecialFolder.Personal));

        foreach (Environment.SpecialFolder s in
            Enum.GetValues(typeof(Environment.SpecialFolder))) {
            Console.WriteLine("{0} folder : {1}", s, Environment.GetFolderPath(s));
        }
          
     }
}