cursor and camera controls

is there a way to program your own cursor lock or and also is there a way to hid courser and also is there a way to make it to were you have to hold down a button to be able to rotate camera or is that just not possible yet one final thing that’s off topic what is everything you can do when it comes to coding in uefn like dose it force you to use the game devices or could i just make my own camera moments and stuff without using the devices and so on