Hi Sergey, thanks for your reply. I guess I will try use an array as the rowSource to get around the limitation.

>It's a limitation of the Listbox/Combobox. You can either use RowSourcetype=5-Array or store additional info in an array property and use ItemData property to reference it.
>
>>I am adding new items to a listbox with rowsourcetype=0 like below:
>

>>   this.AddItem(cString1)
>>   this.List(this.NewIndex,2) = cString2
>

>>where cString2 is a long string. Unfortunately cString2 is truncated to 255 chars after adding to the list.
>>
>>Is there a way to add cString2 with more than 255 chars with rowsourcetype=0?
>>