Can I set the width of the columns in the "boxes"?

I have another question: Can I set the width of the columns in the “Task Properties” box? (in special, in the “Predecessors column”, as shown in the attached figure). I need to reduce the width of some columns (for example: Id, Type, Delay), and expand the width of the “Predecessors” column. How can I do?

I await your comments …

No, the tables make their columns equal-width every time you open the dialog. That’s certainly a usability issue. I submitted a new issue to the tracker: