title: Why does OnMouseMove fire repeatedly when the mouse is not moving in D2010?
body: <p>I'm porting a Delphi 5 app to D2010, and I've got a bit of a problem.  On one form is a TImage component with an OnMouseMove event that's supposed to update a label whenever the mouse is moved over the image.  This worked just fine in the original app, but now the OnMouseMove event fires constantly whenever the mouse is over the image, whether it's moving or not, which causes the label to flicker horribly.</p>
  
  <p>Does anyone know what's causing this and how to fix it?</p>