Returns the value of the tick mark closest to the specified value.
Original signature is '- (double)closestTickMarkValueToValue:(double)aValue'
Available in Mac OS X v10.0 and later.


- aValue (Double)
- The value for which to obtain the closest tick mark.

The value of the closest 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)