Expanded class hierarchy of FormPreprocessEvent in Hook Event Dispatcher 3.x
- class \Drupal\preprocess_event_dispatcher\Event\AbstractPreprocessEvent extends \Symfony\Component\EventDispatcher\Event implements PreprocessEventInterface
- class \Drupal\preprocess_event_dispatcher\Event\AbstractPreprocessEntityEvent implements PreprocessEntityEventInterface
- class \Drupal\preprocess_event_dispatcher\Event\BlockPreprocessEvent
- class \Drupal\preprocess_event_dispatcher\Event\FieldPreprocessEvent
- class \Drupal\preprocess_event_dispatcher\Event\FormPreprocessEvent
- class \Drupal\preprocess_event_dispatcher\Event\HtmlPreprocessEvent
- class \Drupal\preprocess_event_dispatcher\Event\ImagePreprocessEvent
- class \Drupal\preprocess_event_dispatcher\Event\PagePreprocessEvent
- class \Drupal\preprocess_event_dispatcher\Event\StatusMessagesPreprocessEvent
- class \Drupal\preprocess_event_dispatcher\Event\UsernamePreprocessEvent
- class \Drupal\preprocess_event_dispatcher\Event\ViewFieldPreprocessEvent
- class \Drupal\preprocess_event_dispatcher\Event\ViewPreprocessEvent
- class \Drupal\preprocess_event_dispatcher\Event\ViewTablePreprocessEvent
- class \Drupal\preprocess_example_module\Event\ExamplePreprocessEvent
- class \Drupal\Tests\preprocess_event_dispatcher\Unit\Helpers\FakePreprocessEvent