You can check this article, which explains how to use MVVM and EventToCommandBehavior. I'm also sending you a simple project, demonstrating how to use MVVMLight for this purpose.
Next week we'll introduce our 2013 Q2 SP1 and you will be able to use Telerik's EventToCommandBehavior:
TRY TELERIK'S NEWEST PRODUCT - EQATEC APPLICATION ANALYTICS for WPF.
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