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NF:endpointvolume.IAudioEndpointVolume.GetMasterVolumeLevel |
IAudioEndpointVolume::GetMasterVolumeLevel (endpointvolume.h) |
The GetMasterVolumeLevel method gets the master volume level, in decibels, of the audio stream that enters or leaves the audio endpoint device. |
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coreaudio\iaudioendpointvolume_getmastervolumelevel.htm |
CoreAudio |
26e208e1-2291-4db6-857d-00b25d8fa343 |
12/05/2018 |
GetMasterVolumeLevel, GetMasterVolumeLevel method [Core Audio], GetMasterVolumeLevel method [Core Audio],IAudioEndpointVolume interface, IAudioEndpointVolume interface [Core Audio],GetMasterVolumeLevel method, IAudioEndpointVolume.GetMasterVolumeLevel, IAudioEndpointVolume::GetMasterVolumeLevel, IAudioEndpointVolumeGetMasterVolumeLevel, coreaudio.iaudioendpointvolume_getmastervolumelevel, endpointvolume/IAudioEndpointVolume::GetMasterVolumeLevel |
endpointvolume.h |
Windows |
Windows Vista [desktop apps \| UWP apps] |
Windows Server 2008 [desktop apps \| UWP apps] |
Windows |
19H1 |
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The GetMasterVolumeLevel method gets the master volume level, in decibels, of the audio stream that enters or leaves the audio endpoint device.
Pointer to the master volume level. This parameter points to a float variable into which the method writes the volume level in decibels. To get the range of volume levels obtained from this method, call the IAudioEndpointVolume::GetVolumeRange method.
If the method succeeds, it returns S_OK. If it fails, possible return codes include, but are not limited to, the values shown in the following table.
| Return code | Description |
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Parameter pfLevelDB is NULL. |