Object that triggered the execution of action, such as an annotation or a form element.
Creates instance of action sender.
The annotation that triggered action execution, or null if action was not triggered by an annotation.
null
The form element that triggered action execution, or null if action was not triggered by a form element.
The page index of this action sender.
Compares this action sender to the specified object for equality.
Returns a hash code value for this action sender.