Adds the progress mark to the receiver.
Original signature is '- (void)addProgressMark:(NSAnimationProgress)progressMark'
Available in Mac OS X v10.4 and later.


- progressMark (Single)
- A float value (typed as NSAnimationProgress) between 0.0 and 1.0. Values outside that range are pinned to 0.0 or 1.0, whichever is nearest.

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