SP Web Application Get Central Administration

With this code you can get the central administration webapplication.

   1:  private static SPWebApplication GetCentralAdministrationWebApplication()
   2:  {
   3:      SPWebService cS = SPWebService.ContentService;
   4:      var service = cS.Farm.Services.GetValue<SPWebService>("WSS_Administration");
   5:      SPWebApplicationCollection webApplications = service.WebApplications;
   6:      foreach (SPWebApplication webApplication in webApplications)
   7:      {
   8:          return webApplication;
   9:      }
  10:      return null;
  11:  }

If you have better solution, just tell me !