---
title: kIOHIDScrollEventOptionsNoAcceleration
framework: hiddriverkit
role: symbol
role_heading: Enumeration Case
path: hiddriverkit/iohidscrolleventoptions/kiohidscrolleventoptionsnoacceleration
---

# kIOHIDScrollEventOptionsNoAcceleration

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

## Declaration

```occ
kIOHIDScrollEventOptionsNoAcceleration
```

## Discussion

Discussion Scroll events are normally subject to an acceleration algorithm. Use this option if you don’t want to have that acceleration logic applied to the scroll event.