This is the screen I'm talking about. If I want to hear sound out of just my speakers, I have to enable "Speakers" and disable "Headphones". If I want to hear sound out of just my headphones, I have to enable "Headphones" and disable "Speakers". (Right-click -> enable/disable).

They both use the HDAUDIO device.

I'll look into those libraries you gave.

In reply to Re^2: Programmatically enable/disable a playback device in Windows 7 by thmsdrew
in thread Programmatically enable/disable a playback device in Windows 7 by thmsdrew

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