title: write the mouse event on picture box when the picturebox enable has false
body: <p>I have a simple gif animation in my webform into picturebox1 control,this gif animation is a simple fire button ,i want when user click the picturebox1 gif animation start.<br/>
  in load event i write this code:<br/></p>
  
  <pre><code>picturebox1.enable=false;
  </code></pre>
  
  <p><br/>
  that code stop animating with picturebox,but enable is false and i can not write mouse event click to this.</p>