title: Get a bitmap image from a Control view
body: <p>I would like to "copy to clipboard" what a <code>Control</code> of my <code>WPF</code> app draws on the screen.
  Therefore, I need to build a bitmap image from my Control current display.</p>
  
  <p>Is there an easy way to do that ?</p>
  
  <p>Thanks in advance.</p>