c# - Set system volume in Windows Phone 8.1 -



c# - Set system volume in Windows Phone 8.1 -

can set scheme volume code behind? know in wp8 no way this. maybe in wp8.1 ms added api scheme volume access?

this not possible have tried using wasapi drivers microsoft.

as added note quoting msft back upwards james dailey:

afaik there no way manipulate global sound level on windows phone 8.1 (wp8.1). theoretically can alter sound volume of app uses default sound session “zero”. however, if app chooses initialize it’s sound session custom guid not have access session volume custom sound session. 1 time again theoretical based on knowledge of inner workings of wasapi. i’ve never tried on phone. manipulate sound volume of apps using sound session “zero” initialize iaudioclient audiosessionguid parameter of “{00000000-0000-0000-0000-000000000000}”. can utilize isimpleaudiovolume::setmastervolume set volume sound session. need utilize c++ / cx since not back upwards calling wasapi managed code.

the above suggestion not work.

c# windows-phone-8 windows-phone-8.1

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