Detecting if the screensaver is active and/or the user has locked the screen in Windows

Question

I\'m writing an app that at times will send notifications to the user in the form of toaster messages.

If the user is not there, he can\'t see the notification. So w

Answer 1

There are many reason why the user can't see your notifications also for example full screen video playback or that the user is just not there.

I suggest that instead of checking if the notification can be displayed check if the user is there, you can do that by monitoring the keyboard and mouse.