public function Delete($RouteIndex = FALSE, $TransientKey = FALSE) {
      $this->Permission('Garden.Settings.Manage');
      $this->DeliveryType(DELIVERY_TYPE_BOOL);
      $Session = Gdn::Session();
      
      // If seeing the form for the first time...
      if ($TransientKey !== FALSE && $Session->ValidateTransientKey($TransientKey))
         Gdn::Router()->DeleteRoute($RouteIndex);
      
      if ($this->_DeliveryType === DELIVERY_TYPE_ALL)
         Redirect('dashboard/routes');

      $this->Render();      
   }