Returns the NSURL instance associated with the specified key.
Original signature is '- (NSURL *)URLForKey:(NSString *)defaultName'
Available in Mac OS X v10.6 and later.


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

The NSURL instance value associated with the specified key. If the key does not exist, this method returns nil.

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