Hi James,
The codes from a conversion from 2.6. Using an array source created even more problems; that's how it was originally. Shame about the dropdown event behaviour because the help describes it as THE place to modify the list properties. Thanks for hint on the When() event. Will try


>David,
>
>This code would probably work as expected if you placed it in the When() rather than the DropDown() event. In the DropDown() event, an changes to the list or properties that control the list seem to confuse VFP.
>
>Also, why not use a RowSourceType of 5 (Array) and save a lot of list-building time?
>
>Regards,