Returns the value for the specified property.
Original signature is '- (id)valueForProperty:(NSString *)property'
Available in Mac OS X v10.0 and later.


- property (NSString)
- A string constant used as a key for an image property. These properties are described in “Constants.”

A value specific to property, or nil if the property is not set for the bitmap.

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