Win32 Window Focus Prevention Deep Dive

This (Windows employing different methods to prevent users from writing programs that programmatically change application focus) has been an ongoing struggle for me for the better part of 3 years.

I finally made what feels like some significant progress this past week.

If you've ever obsessively gone deep down into a hole trying to understand and wrangle weird OS-level behaviors before, you might enjoy this video and feel a vicarious sense of victory :)