title: iphone SDK can xcode get the objects created in interface builder?
body: <p>Can I get the objects created in Interface builder in xcode by program ?</p>
  
  <p>I have set the tag and name of the objects (UIButton). 
  The situation is that I used IBAction for "button pressed" action and I can get the current button which trigger the action, but what if I want to get the previous pressing button and set its image? </p>
  
  <p>any suggestions would help !</p>