Returns YES if the user can edit cells associated with the receiver by double-clicking the column in the NSTableView, NO otherwise.
Original signature is '- (BOOL)isEditable'
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)