How can we get notified by Windows when the user has changed their Desktop Background/Wallpaper? I'm looking for some kind of event, and I'd rather not use a Timer and keep checking all the time.
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2Use the SystemEvents.UserPreferenceChanged event instead of the timer. – Hans Passant Oct 03 '13 at 21:41
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possible duplicate of [How can I detect wallpaper changing as a result of the Windows 7 slideshow?](http://stackoverflow.com/questions/5537836/how-can-i-detect-wallpaper-changing-as-a-result-of-the-windows-7-slideshow) – David Oct 03 '13 at 21:42
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@David, I did see that question but dismissed it as I thought it was only for wallpapers part of slideshows. But thanks, I'll look at it again. – uSeRnAmEhAhAhAhAhA Oct 03 '13 at 22:30
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Add a message handler for WM_SETTINGCHANGE, SystemEvents.UserPreferenceChanged in .NET
In all operating systems since at least Windows 95 a WM_SETTINGCHANGE was sent when the desktop wallpaper has been changed by the user or a slideshow.
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Oh my. I wasn't expecting this to be doable this easily. Thank you very much, Sir. – uSeRnAmEhAhAhAhAhA Oct 03 '13 at 22:29