/// <summary>
 /// Main method, to run this code example as a standalone application.
 /// </summary>
 /// <param name="args">The command line arguments.</param>
 public static void Main(string[] args) {
   GetAccountHierarchy codeExample = new GetAccountHierarchy();
   Console.WriteLine(codeExample.Description);
   try {
     codeExample.Run(new AdWordsUser());
   } catch (Exception e) {
     Console.WriteLine("An exception occurred while running this code example. {0}",
         ExampleUtilities.FormatException(e));
   }
 }