Returns the amount by which the receiver changes its value when the user Option–drags the slider knob.
Original signature is '- (double)altIncrementValue'
Available in Mac OS X v10.0 and later.
Assembly: Monobjc.AppKit (Module: Monobjc.AppKit)
- Available in Monobjc Bridge: 10.6 (For Mac OS X 10.6 and later), 10.5 (For Mac OS X 10.5 and later)