title: Flex: How to make DateChooser show selectedDate
body: <p>I got a Problem with my DateChooser. When clicking the control directly it highlights the date as it should. 
  When selecting the date programmatically it won't show. </p>
  
  <pre><code>var date:Date = notification.getBody() as Date;
  _view.dcMiniCalendar.selectedDate = date;
  </code></pre>
  
  <p>trace tells me, that <code>date</code> and <code>_view.dcMiniCalendar.selectedDate</code> carry the correct values. </p>
  
  <p>I already tried to use <code>_view.dcMiniCalendar.invalidateDisplayList()</code> (and some other invalidate functions as well) but neither with nor without them I get that date to be shown selected in the control.</p>
  
  <p>thx in advance. 
  x_mtd</p>