I understand the logic Xara has used. Each Point Handle has to have an orientation. Xara chose the set-up I described before so when you draw a vertical line upwards, it is just following the convention. Ditto for a Smart Line, it is presented horizontally left to right. However, I also felt a Challenge swell inside me.

I present Three Upright Straight Lines.xar.

Each was made in a different manner. All are Vertical with 0o orientation.

Can you come up with any of my three different solutions?
All approaches must allow a Line to be created at any angle but the resultant angle for that orientation must still be 0o.

Acorn

P.S. The Lines can be saved and reused for any purpose.