title: Access Ribbons by id from background thread
body: <p>I'm doing a Word 2007 Addin that configure some libraries. So until theses libs are not configured some buttons remains disabled. </p>
  
  <p>How can I access any Ribbon element from the background thread that configure these libraries?</p>
  
  <p>How, using the <code>Office API</code>, I can access a element using the element ID as parameter?</p>