Selecting the item when mouse wheel scrolled in JComboBox

Hi All,
I have 2 issues wrt JComboBox which are:
1.Selecting the item when my mouse scroll wheel is rolled.
2.Collapsing the expanded combobox ie. to initial state when i press ALT+Tab and revist the same window.It is like this..
expand the combobox to with item selected and expanded.Now press alt+tab to see the same window then the combobx is still exapanded.Actulaly it is to be collapsed showing the seleted item only.
Could any one pls help me out.
cheers,
sharath

As regards problem 2 - do you want the combo to stay open, or to close when you Alt Tab, I can't quite tell from your question.
If you want it to close, then I would say that is standard behaviour and I have never seen a Java (or any other) application that doesn't work like that, so if it doesn't work that way for you, then you must have coded it very oddly.
Regards,
Tim

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Selecting the item when mouse wheel scrolled in JComboBox

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