title: How to handle multiple windows and dialogs in MVVM?
body: <p>Is there any standard method for showing dialog windows, opening and closing them and retrieving data from them, using the MVVM pattern?</p>
  
  <p>I have seen this:<a href="http://www.daedtech.com/mvvm-and-dialogs" rel="nofollow">http://www.daedtech.com/mvvm-and-dialogs</a></p>
  
  <p>I want use for show a dialog for special (View/ViewModel).</p>
  
  <p>How to handle multiple windows and dialogs in MVVM?</p>