title: WPF Toolkit Accordion Control Expand/Collapse
body: <p>I want to use the Accordion Control that comes with the WPF Toolkit. </p>
  
  <p>There are two things I wasn't able to archive:</p>
  
  <ol>
  <li>I need an Eventhandler that fires when a Accordion Item get Expanded/Collapsed</li>
  <li>I need to Set the Expanded Status of an Accordion Item in Code behind.</li>
  </ol>
  
  <p>Are this things even possible?</p>