Hi, I'm trying to find a way to quickly switch between stereo output and quadraphonic output. At first, I tried to achieve this by directly changing the registry: I used Process Monitor to detect which registry keys were accessed when changing the output setting. I then copied the keys that were actually changed to a .reg file and run that to change the output. This almost worked, but for some reason applications had to be restarted to allow them to reload the settings. When I switched