title: File's Owner is not responding?
body: <p>I'm creating app, using IB. But File's Owner doesn't want to work! I can't see, what in it, can't drag line to code from buttons in IB. 
  In code, all's okay. Connection with First Responder is wokrs nice, but it isn't that i want.</p>
  
  <p>For example, now i can't connect UIButton with it's IBOutlet, cauze, when I drag line to code from button, there are nothing happens.</p>
  
  <p>What's the problem?</p>
  
  <p>Thx,
  Maxim.</p>