Re: AUEventListenerAddEventType?
Re: AUEventListenerAddEventType?
- Subject: Re: AUEventListenerAddEventType?
- From: Cynthia Maxwell <email@hidden>
- Date: Tue, 4 Sep 2007 12:16:09 -0700
Hi,
From: file:///Developer/Examples/CoreAudio/Documentation/AudioToolbox/
AudioUnitUtilities/Functions/Functions.html#//apple_ref/c/func/
AUEventListenerAddEventType
Begin delivering a particular type of events to a listener.
extern OSStatus AUEventListenerAddEventType(
AUEventListenerRef inListener,
void *inObject,
const AudioUnitEvent *inEvent);
Parameter Descriptions
inListener
The parameter listener which will receive the events.
inObject
The object which is interested in the value of the parameter. This
will be passed as the inObject parameter to the listener callback
function when the parameter changes.
inEvent
The type of event to listen for.
function result
An OSStatus error code.
Cynthia
On Sep 1, 2007, at 12:02 PM, email@hidden
wrote:
Message: 4
Date: Fri, 31 Aug 2007 14:00:23 -0700
From: "Jason Staczek" <email@hidden>
Subject: AUEventListenerAddEventType?
To: email@hidden
Message-ID:
<email@hidden>
Content-Type: text/plain; charset=ISO-8859-1
What is the second argument to this function (void* inObject)?
AUEventListenerAddEventType(
AUEventListenerRef inListener,
void * inObject,
const AudioUnitEvent *inEvent);
I don't see any explanation in AudioUnitUtilities.h and in the example
in TN2104 it's simply set to NULL.
Thanks,
Jason
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