title: How can I extend a ComboBox to support commands (MVVM)?
body: <p>As topic says, I need to extend the features of a standard Silverlight ComboBox to also support Commanding. Since I follow MVVM I need my ComboBox to communicate the SelectionChanged event to my ViewModel.</p>
  
  <p>What would the code look like for doing this? I want to be able to put the Command attribute on my ComboBox XAML control. </p>
  
  <p>Using (WCF RIA, MVVM, VB.NET)..</p>
  
  <p>All tips appricated!</p>