title: Detecting Full screen applications on mac
body: <p>I am developing a simple application in Cocoa, and I want to detect whether any application is running in full screen mode. Is this possible? </p>
  
  <p>Through runningApplications API, I can get various informations but there is no specific property related to full screen mode. Does any one know how to detect it? Is there any carbon event or API for this?</p>