>>The best, and correct, approach is to use VALID for validation, thus the name. RETURN=.F. measn failed validation.
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>Theoretically, yes. But since VFP3 we have to live with this limitation that SetFocus() can't be called if there's a .valid anywhere upstairs the call stack. This means that any new form called during validation must have absolutely no .Setfocus() anywhere, because there's a pending .valid (or .RangeLow(), .RangeHigh() and a couple of others). If this limitation didn't scope out to called forms, we could live with that... but it did, so for ten years now we live with that.
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>Now someone should correct me - I think I have read somewhere that this limitation is removed in VFP9... if that is true, we may rethink a few things.

Yes, it's been really annoying that the valid restriction on setfocus persists to other forms. So I too would be real keen to hear if VFP has "fixed" this.