Thanks guys. Looks maybe its a storm in a teacup 😬 Personally I would have thought just for consistency and memorising, that the designer and the code creation would use the same defaults. Ok, created ui.Button basically does.
Good to know about the button though. Explains why sometimes testing I get different results. Often getting the placements correct before populating them. Can you the impression that it is behaving erratically or that's something has changed when it's just the sequence in which you do things. Live and learn 👍