>>Many thanks Nick, that did indeed do the trick. Do you know why that is more consistent than a Form.Refresh()?
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>My understanding is that when you run a long process from the button (SQL SELECT, some calculation, etc.) VFP ( or Windows?) sees the priority in the processing these commands and updates the screen (for Form.Refresh()) with some delay, when it feels it has enough time to do so. I am not sure if it is VFP itself, it may be actually Windows behavior. The same applies, when you have the commands to update the progress bar whithin your data processing. The Form.DRAW() call eliminates any delays.

Thanks for the explanation.