Returns the tooltip for the specified cell.
Original signature is '- (NSString *)toolTipForCell:(NSCell *)cell'
Available in Mac OS X v10.0 and later.


- cell (NSCell)
- The cell for which to return the tooltip.

The string used as the cell's tooltip.

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