Returns from the receiver’s private internal storage the value for the specified property.
Original signature is '- (id)primitiveValueForKey:(NSString *)key'
Available in Mac OS X v10.4 and later.


- key (NSString)
- The name of one of the receiver's properties.

The value of the property specified by key. Returns nil if no value has been set.

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