Does anybody know how we can send messages to the Windows10 Information Center?
Maybe :
https://msdn.microsoft.com/en-us/library/windows/desktop/hh802768(v=vs.85).aspx
https://gist.github.com/CalvinLinTrend/8701312744f94bcd8701
Otherwise, https://msdn.microsoft.com/en-us/windows/uwp/porting/desktop-to-uwp-supported-api#both
For myself I did not even try to get in the message center, and emulated the notifications with my own window.