>You can add items to multi-column listbox using Listbox.AddListItem method instead of AddItem. This way you would have to use RemoveListItem to remove items later.
>
>Could you please provide me some example

Thisform.List1.columncount=2
nCounter=0
Select mytable
Scan
  nCounter=nCounter+1
  Thisform.List1.AddListitem(mytable.field1,nCounter,1)
  Thisform.List1.AddListitem(mytable.field2,nCounter,2)
EndScan