title: what is dispatchEvent in Flash AS3?
body: <p>Hi all i want to know what is <strong>dispatchEvent</strong> in <strong>AS3</strong>.
  I didn't get any idea while Googling it. :( 
  So please help me</p>
  
  <p><strong>Edit 1:</strong> </p>
  
  <pre><code>public static  const SET_VOLUME:String = "setVolume";
  
  private function onclick(evt:MouseEvent):void {
              soundClip.scaleX = 0;
              dispatchEvent(new Event(SET_VOLUME));
  
          }
  </code></pre>
  
  <p>what does this means?? (</p>