>>Is there a simple way to determine if the user has selected anything in a combobox other than looping thru and testing all the items to see if they are selected?
>>
>>It doesn't matter what is selected, only that a selection was made.
>>
>>Thanks
>
>ListIndex <> 0 or not empty(combo.DisplayValue)
>
>But actually it sounds like you want to test mulitselect listbox. Am I right?

No, just a single select cbo. Thanks