title: How do I define 'out' parameters a in C++CX Windows Runtime Component?
body: <p>By the looks of Google it seems like this might not be possible, but:</p>
  
  <p>How do I define an 'out' parameter in a C++/CX 'ref class'? </p>
  
  <p>If your answer is that this isn't possible, please provide a reference.</p>