![]() ![]() I thought I understood the differences in the mixer API and IAudioEndpointVolume(Callback), but apparently I'm missing something. Yet, the app's volume slider is changing in the Volume Mixer dialog as I slide the Device volume slider. If I query my application's volume level, it remains unchanged. ![]() ![]() I get the MM_MIXM_CONTROL_CHANGE message, and the value returned by mixerGetControlDetail has the updated level.īut, if I change the Device level, I get no such notification. I can goto the Windows Volume Mixer panel and make changes to my app's volume slider. This event triggers me to refresh my volume level with a call to mixerGetControlDetail. And restart Windows audio can also fix audio services is not running issue. Once you ran into the volume icon not responding or missing from the taskbar, you can at the beginning try to choose to change some settings of the Windows audio in Services tab. ![]() The mixerOpen call is made with CALLBACK_WINDOW, and I have a window setup to capture control messages, including MM_MIXM_CONTROL_CHANGE. Solution 2: Change Windows Audio Services.
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