Hello Aalwein
We can for some and we cannot for some others
Compass, inventory slots, target info , implied target info, groupmembers for example are stuck in their original window.
Sunthas was able to put some inventory info (for the Ammo mod) using a special
page renamed (Mainhud.inventory instead of the real one which is Inventory.inventory). Be careful because you have also to use the subpage names (like generalequipment) to be able to use the slots or anything else.
ps:I'm talking about pages and not files.