ListBox - several Questions

Hi,

I would like to "pimp" GWTs ListBox in order to get some additional functionaility. Maybe you can help me with some issues.

1. I would like to dynamically add Items to my ListBox: when the user scrolls using the scrollbar an event should be thrown. I tried attaching a ScrollEvent which doesn't work. The only thing that seems to work is the MouseWheelHandler which is only one part of the solution. I would also like to handle the event when the user scrolls using the scrollbar.

2. I would like to add a TextBox filter to the ListBox similar to the SuggestBox. The only difference would be the option to open the items with the dropdown Icon and see all entries in a list (this isn't possible with the SuggestBox). Any ideas for this? (would be similar to this: http://www.smartclient.com/smartgwt/showcase/#local_db_combobox_combobox_category)

Thanks for your help!

Regards!

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