Minimizing pages and line widths

[GiddyupGilbert]

I just purchased Xtreme5. I was looking for a way to minimize the main screen, but it doesn't allow that. I can minimize the active page with the work on it, but when I want to minimize the main screen there's nothing in the upper right hand corner and the only thing I seem to be able to do is close the program.

In corel there is also a Line control where you can go in and adjust line width while checking a square so that when sizing up and down it will maintain the ratio. Is there a feature like that in Xtreme5?

Input appreciated.
Giddyup