title: How to find the mouse position on runtime?
body: <p>I wrote a UserControl that contains 8 Buttons. </p>
  
  <p>I added this UserControl to my page - and now I want to:</p>
  
  <ol>
  <li><p>Catch the button click event - so I add the implementation of INotifyPropertyChanged to the userControl and in the click event I send event that will be catch by the page </p></li>
  <li><p>Find the exact position of the button that was clicked - the screen location on the page - </p></li>
  </ol>
  
  <p>this is something that I can't find how to do. </p>
  
  <p>Please help ... ? </p>