For devices with multiple possible input sources, returns an array of dictionaries describing each available input source. Some devices can capture data from one of multiple input sources (different input jacks on the same audio device, for example). The value is an NSArray of NSDictionary objects. The keys in each dictionary are described in Input Source Dictionary Keys. This string value can be used in key paths for key value coding, key value observing, and bindings.
Available in Mac OS X v10.5 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)