title: UIResponder and multiple UIControlEvents
body: <p>Is there a way to call a selector for multiple UIControlEvents?</p>
  
  <p>this doesn't work, but itl'll give u an idea of what i'm trying to do.</p>
  
  <pre><code>[self.slider addTarget:self action:@selector(sliderDidStopDragging:) forControlEvents:UIControlEventTouchUpInside, UIControlEventTouchUpOutside];
  </code></pre>
  
  <p>thanks!!</p>