Returns the name under which the frame rectangle of the window owned by the receiver is stored in the defaults database.
Original signature is '- (NSString *)windowFrameAutosaveName'
Available in Mac OS X v10.0 and later.


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