Paul,

Tried various strategies, but not this. I eventually made the variable global, and that solved it. (Kludgy solution - I'll try yours when I get back from vacation.)

Miles

>> If I either a) click on the grid, or b) TAB to the grid,
>> listbox.click()
>> seems to fire, although the Trace window in the debugger indicates
>> that
>> NO code is executing. The event tracking output does not show
>> listbox.Click() firing.
>
>I would think that it's not code in the ListBox that's firing at all,
>rather it's code that may be buried somewhere in the Grid, possibly in
>the SetFocus method.
>
>I notice that the error relates to 'lcWhichText', which means the error
>could also be phrased as "Parameter Not Supplied", and this translates
>into: "I used to call this code from {here}, but then I changed
>something so I moved the call to {here} and added a PARAMETER. I may
>have forgotten to remove the old call."
>
>I'd load the form into the Class Browser, generate the text, then search
>for "ResetDispPay". When you've found all instances of it, put some
>ASSERTions or WAIT WINDOWs in the screen, and try again.