Returns the receiver’s value represented by the tick mark at the specified index.
Original signature is '- (double)tickMarkValueAtIndex:(NSInteger)index'
Available in Mac OS X v10.0 and later.


- index (NSInteger)
- The index of the tick mark for which to return the value. The minimum-value tick mark has an index of 0.

The value of the specified tick mark.

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