>>>>There is a way w/o looping. Set the value and check listindex. However since listboxes can't add much items with this approach you might not need to gain such a performance. Its slowness would be masked with few elements anyway.
>>>>Cetin
>>>
>>>Thanks, Cetin. You're right, usually these lists are very short, so I decided to write this simple code using looping.
>>>
>>>Thanks again.
>>
>>Silly me. Once again knowing what you'd do at the end wasted my time to answer.
>>Cetin
>
>I think I misunderstood your idea then. Would you please elaborate?
>
>Yesterday I already implemented loop idea, in my case I only have a few (less than 5) items in the list.

.Value = cNewValue
if .ListIndex = 0 && not in list add
  .AddItem(cNewValue)
endif

Cetin