This little AddIn toggles VB's code pane windows between normal display mode and full screen display mode. Simply compile the .dll into your VB folder and then use the Add-Ins manager to load it into VB.
Updates include: safeguard against accidentaly closing a codepane or VB while in maximized state, and an emergeny fallback in case VB crashes while maximized. So the necessity to manually re-do the registry after a crash should have gone. Some of your feedback suggestions have also been added.