AudioStateMonitorCallback
The callback function, registered by calling IAudioStateMonitor::RegisterCallback, is called by the system when the sound level of the audio streams associated with the IAudioStateMonitor changes.Syntax
Parameters
audioStateMonitor _Out_Type: IAudioStateMonitor* The IAudioStateMonitor interface with which the callback was registered. Call the interface’s GetSoundLevel method to get the new current sound level of the associated audio streams. context
Type: void* An app-defined context object passed into the
RegisterCallback method.
Return value
This callback function does not return a value.Remarks
For convenience, Audiostatemonitorapi.h defines a pointer type for this callback as PAudioStateMonitorCallback. The following code example shows how to register a new callback withAudioStateMonitor. For convenience, Audiostatemonitorapi.h defines a pointer type for this callback as PAudioStateMonitorCallback.