Returns the object associated with the first occurrence of the specified default.
Original signature is '- (id)objectForKey:(NSString *)defaultName'
Available in Mac OS X v10.0 and later.


- defaultName (NSString)
- A key in the current user's defaults database.

The object associated with the specified key, or nil if the key was not found.

- Available in Monobjc Bridge: 10.6 (For Mac OS X 10.6 and later), 10.5 (For Mac OS X 10.5 and later)