title: Send object to VIewModel with mvvm-light
body: <p>I'm pretty new to MVVM light world, and after searches I can't find what I want to do.</p>
  
  <p>My WP7 application contains a pivot, each pivot item content is View1 and viewmodel is VM1.</p>
  
  <p>When loading my application, I'd like to create every pivot item with the same view and view model but with different parameter.</p>
  
  <p>example :</p>
  
  <p>PivotItem 1 -> send param "car" to the view model
  PivotItem 2 -> send param "truck" to the view model, etc.</p>
  
  <p>Google told me to use messaging but if I send 2 messages from my MainViewModel, both PivotItem1 and PivotItem2 ViewModel will receive these messages.</p>
  
  <p>Am I wrong with this approach ?
  Is there another solution to succeed ?</p>
  
  <p>Thank you in advance for your answer.</p>
  
  <p>PS : be indulgent, english is not my native language, don't hesitate to ask for further information.</p>
  
  <p>Regards,</p>
  
  <p>Aymeric Lagier</p>