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# IOHIDScrollEventOptions

Options that you use to dispatch scrolling-related events.

```
typedef enum { ... } IOHIDScrollEventOptions;
```

## Overview

Pass these options to the [`dispatchRelativeScrollWheelEvent`](/documentation/HIDDriverKit/IOHIDEventService/dispatchRelativeScrollWheelEvent) method of [`IOHIDEventService`](/documentation/HIDDriverKit/IOHIDEventService).

## Topics

### Getting the Scroll Event Option

[`kIOHIDScrollEventOptionsNoAcceleration`](/documentation/HIDDriverKit/IOHIDScrollEventOptions/kIOHIDScrollEventOptionsNoAcceleration)

An option for not applying the default acceleration algorithm to this event.


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