Remove window from taskbar

[_pi]

Do you have an idea how to do that with UWP apps in Windows 10?
I tried it with Calc (german: Rechner)
I did some research and from what i can find it seems not be supported, but you so often know more.
https://stackoverflow.com/questions/4678...6#46828926

Function Hide_Calc_Taskbar_Button

Code:

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int w=win("Rechner" "ApplicationFrameWindow")

TaskbarButton 2 w
3
TaskbarButton 1 w