title: DevExpress XtraGrid LayoutView - set card size
body: <p>how can I set the card size in a layout view? I have googled a lot, but found nothing useful.</p>
  
  <p>Please see the image below. I would like to increase the size of the images (the size mode of the pictureedit control is set to squeeze)</p>
  
  <p><img src="https://i.stack.imgur.com/EYtsG.png" alt="enter image description here"></p>
  
  <p>One more question: how can I hide the up-down button in a cell?</p>