Re: listener question

> Is there a better way to do this?  If not, what is the best way to do 4?
>    Is there a signal emitted when the event source is destroyed?

I think that there is no need to remove a listener. Once created on start it 
can collect events from different event sources and might be destroyed only 
if applet is removed. There is no reference in listener to event source. 

The problem is only to register managed application.