MediaControl.SoundLevelChanged | soundlevelchanged event

public:
static event EventHandler<object>^ SoundLevelChanged {
   Windows::Foundation::EventRegistrationToken add(EventHandler<object>^ value);
   void remove(Windows::Foundation::EventRegistrationToken token);
}

// Assign the Windows.Media.MediaControl button object to 
// the user-defined mediaControls variable
mediaControls = Windows.Media.MediaControl;

// Add event listeners for the buttons
mediaControls.addEventListener(“PlayPressed”, play, false);
mediaControls.addEventListener(“PausePressed”, pause, false);
mediaControls.addEventListener(“PlayPauseTogglePressed”, playpausetoggle, false);
mediaControls.addEventListener(“NextTrackPressed”, nexttrack, false);
mediaControls.addEventListener(“PreviousTrackPressed”, previoustrack, false);
mediaControls.addEventListener(“SoundLevelChanged”, soundlevelchanged, false);

// Add code for event handlers for the events
   function play() {
	     document.getElementById(“audiotag”).play();
   }

   function pause() {
	     document.getElementById(“audiotag”).pause();
   }

   function playpausetoggle() {
      //<code goes here to handle the PlayPauseToggle event> 
   }
   
   ...
   // Additional code to handle the other events
   // For example, add event handler code for the following events:
   // NextTrackPressed
   // PreviousTrackPressed
   // SoundLevelChanged