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Spotify recently added a feature where the taskbar icon would have a red iOS-style badge with the number of songs in your inbox.
The badge itself is definitely part of the icon, but I was wondering if the number might be added with an official API.
If not, how might they be doing it? I've never had more than a few songs in my inbox, so maybe it just doesn't shows 1-9 and then 10+ or something, or could they be dynamically creating the image and setting it as the icon?
I wasn't aware you could change the icon while the app is running.
ITaskBarList3::SetOverlayIconis what you're looking for.