Posted when one of the device's attributes is about to change.
The notification’s user info dictionary will contain the attribute key of the changed attribute for the key QTCaptureDeviceChangedAttributeKey.
Available in .1 and later.
Declaration Syntax
Version Information
- Available in Monobjc Bridge: 10.6 (For Mac OS X 10.6 and later), 10.5 (For Mac OS X 10.5 and later)