title: TriggerType Expression Blend 4
body: <p>I was wondering if it is possible to assign an eventtrigger to a source outside the current artboard.</p>
  
  <p>Example: I have a text box that I want to slide out of one content presenter into another when a button is selected. I have it set up so the box slides out of one and I need to bind the box to slide into the new content presenter when the previous trigger was selected.</p>