Returns a textual representation of the receiver.
Original signature is '- (NSString*) descriptionWithFormat:(NSString*) format'


- format (NSString)
- The format of the description string.

NSString containing a textual representation of the object utilizing the specified format.

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