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  "title" : "NSScroller.Part"
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# NSScroller.Part

These constants specify the different parts of the scroller:

```
enum Part
```

## Topics

### Constants

[`NSScroller.Part.knob`](/documentation/AppKit/NSScroller/Part/knob)

Directly to the scroller’s value, as given by [`floatValue`](/documentation/AppKit/NSControl/floatValue).

[`NSScroller.Part.knobSlot`](/documentation/AppKit/NSScroller/Part/knobSlot)

Directly to the scroller’s value, as given by [`floatValue`](/documentation/AppKit/NSControl/floatValue).

[`NSScroller.Part.decrementLine`](/documentation/AppKit/NSScroller/Part/decrementLine)

Up or left by a small amount.

[`NSScroller.Part.decrementPage`](/documentation/AppKit/NSScroller/Part/decrementPage)

Up or left by a large amount.

[`NSScroller.Part.incrementLine`](/documentation/AppKit/NSScroller/Part/incrementLine)

Down or right by a small amount.

[`NSScroller.Part.incrementPage`](/documentation/AppKit/NSScroller/Part/incrementPage)

Down or right by a large amount.

[`NSScroller.Part.noPart`](/documentation/AppKit/NSScroller/Part/noPart)

Don’t scroll at all.


---

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