title: How to detect my application is idle in c# (form covered)?
body: <p>I have this problem today, i saw this solution:</p>
  
  <p><a href="https://stackoverflow.com/questions/5882658/how-to-detect-my-application-is-idle-in-c">How to detect my application is idle in c#?</a></p>
  
  <p>I tried that, but my form is covered with userControls and other elements, and the mouseover or keydown events are only fired in the margins of those elements.</p>
  
  <p>Is there a better way?</p>