>How to all, in a container some times, when the user key [alt]+[down-arrow] or [f4] for roll-down the list box, do click or select item and pulse [tab] for the skip to next control, the listo box not roll-up show the all list, how to roll-up the list box newly ???
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Hi Manuel,

I guess you're refering to combobox not listbox. Check Re: Opposite of DropDown for a ComboBox Thread #793015. It should give you some ideas how to handle that.