I scaled a video clip so it was bigger then the screen. Then I used the pen tool, I clicked and dragged the mouse and went outside the composition panel. This moved the panel over, so I was wondering if there was an easy way to get the panel centered.
Well, this isn't Illustrator. This is After Effects, a completely different application. It doesn't work the same way, and hand-holding is a waste of time for both you and us. You really, Really, REALLY need to pay an extended visit to this page.
Blow it off at your peril.