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CallbackForCoreAudioEventsSet method

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Sets a callback for receiving notification of events generated by CoreAudio devices, allowing to synchronize these devices with the container application.


This method is only intended for usage with Windows Vista and later versions: further information about management of audio devices in Windows Vista and later versions can be found inside the How to access settings of audio devices in Windows Vista and later versions tutorial.


For further details about callback delegates see the How to synchronize the container application through callback delegates tutorial.





[Visual Basic]

Public Function CallbackForCoreAudioEventsSet (

function as CallbackForCoreAudioEvents

) as enumErrorCodes



public enumErrorCodes CallbackForCoreAudioEventsSet (

CallbackForCoreAudioEvents function




public: enumErrorCodes CallbackForCoreAudioEventsSet (

CallbackForCoreAudioEvents function









Pointer to the callback function that will receive CoreAudio devices related events. Remember that callback functions must be as fast as possible in order to avoid slowing down overall performances.



Return value






Negative value

An error occurred. Check the LastError property value in order to see the last error.

enumErrorCodes.ERR_NOERROR (0)

The method call was successful.