>>That's a tough call Jim and I agree with your reasons. A full form refresh may have some significant overhead in some situations. But I know your philosophy is 'do it properly, work out performance issues later only if necessary' - or something close to that, right?
>>
>>I wonder what others have to say on this. Thanks for the insight.
>
>Well, you don't have to refresh the full form... Also, you could create a thisform.color_assign method that checks for your class that displays the color, and if it exists, refresh it...
>
>BOb

Hi again Bob,
I think Jim implied that any firm link between two objects in this way is undesirable, so a form refresh is the go. If I simply refresh the other control then I may as well update the control value rather than the form value.