- macOS 10.3+
Type: NSSlider .Slider Type
The type of the slider, such as vertical or circular.
Increment Value: Double
The amount by which the slider changes its value when the user Option-drags the slider knob.
The knob’s thickness, in pixels.
An integer indicating the orientation (horizontal or vertical) of the slider.
Fill Color: NSColor?
The color of the filled portion of the slider track, in appearances that support it.