> Seems like SysStateChanged overwrties the MaxLength.
> Calling order:
> 1. MyDataChange
> 2. CustEdit.SysStateChange
> 3. CustEdit.SysDataChange (lots of times)

That at least explains why it is not working. I will have to spend a
bit more time working out where you can make the required change.

Geoff Worboys
Telesis Computing