title: How to detect mouse clicks?
body: <p>how can i detect mouse clicks on Windows ? (XP/Vista/7).
  for example when my application is running , it will detect if user click on something (not on that application UI but on Windows UI). if yes , execute another process.</p>
  
  <p>I don't know if this is possible , i am hoping someone can give me some guidance.</p>
  
  <p>Thanks!</p>