>Hi everybody,
>
>I'm working with my late colleague's form and it uses AddItem method to add items to the listbox. My question is: what would be the simplest way to check, if the item is already in the list?
>
>Here is the line of code:

>this.List1.AddItem(laResults[1, 1] + ' ' + laResults[1, 2])

>I actually want to be able to check for the code (first portion) in the list.
>
>Should I loop through all list content or there is a better way?
>
>Thanks in advance.

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