AUDIO_SYSTEMEFFECTS_PROPERTY_CHANGE_APO_NOTIFICATION_DESCRIPTOR structure (audioengineextensionapo.h)

Specifies an system effects property change APO notification.

Syntax

typedef struct AUDIO_SYSTEMEFFECTS_PROPERTY_CHANGE_APO_NOTIFICATION_DESCRIPTOR {
  IMMDevice *device;
  GUID      propertyStoreContext;
} AUDIO_SYSTEMEFFECTS_PROPERTY_CHANGE_APO_NOTIFICATION_DESCRIPTOR;

Members

device

The IMMDevice representing the audio endpoint associated with the notification request.

propertyStoreContext

A GUID identifying the APO property store associated with the notification.

Remarks

Return an APO_NOTIFICATION_DESCRIPTOR containing this structure from an implementation of IAudioProcessingObjectNotifications::GetApoNotificationRegistrationInfo to request system effects property change APO notifications.

For more information on the Windows 11 APIs for the Audio Processing Objects (APOs) that can ship with audio drivers, see Windows 11 APIs for Audio Processing Objects.

Requirements