title: Adobe Air application and {StageScaleMode.SHOW_ALL StageDisplayState.FULL_SCREEN}
body: <p>I have problem with using next two properties together in one Air application, I need some functionality for show my application in full screen and scale for different displays. I mean , if user has  17" and other has 24" display my app should save proportionals. So, I've start to use these two properties StageScaleMode.SHOW_ALL StageDisplayState.FULL_SCREEN and see that internal canvas (buffer) is bigger than external,  please see on the pictures the firs just StageDisplayState.FULL_SCREEN and the second StageDisplayState.FULL_SCREEN and StageScaleMode.SHOW_ALL.
  <img src="https://i.stack.imgur.com/Z36uq.jpg" alt="First Picture"></p>
  
  <p><img src="https://i.stack.imgur.com/3sxxQ.png" alt="Second Picture"></p>
  
  <p>Could you help me and say How to fix this problem?
  Thanks.</p>