I can't really understand what you are asking or saying. If you want the widget to remain visible but to stop receiving events, do what Jens said: suppress the event handling logic in the event handler. If you want the widget to stop being visible and to stop receiving events, just do what I said: remove the widget from it's container.
and yes, javascript also has garbage collection otherwise every web application would be one giant memory leak -- You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group. To view this discussion on the web visit https://groups.google.com/d/msg/google-web-toolkit/-/zfufHmcP2kgJ. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.