http://msdn.microsoft.com/library/de...notifyicon.asp

Quote Originally Posted by MSDN
Remarks

As of Windows XP Service Pack 2 (SP2), a custom icon can be displayed in the notification balloon. This allows the caller to customize the notification beyond the previously available options of info, warning, and error, and distinguish it in the user's eye from other types of notification.
This answer one of my questions. I can't still queue the balloons.