title: How to detect orientation changes and change layout?
body: <p>Lets say that I have a grid with 2 rows, 2 columns and many controls inside each cell.</p>
  
  <p>When the application is changed to snap mode, I meant 1/3 of the screen I would like the application to be only, one Column, 2 rows and show only some controls  I would decide.</p>
  
  <p>What kind of control do I have for this?</p>
  
  <p>thx</p>