---
title: kIOFBNotifyDisplayModeWillChange
framework: Kernel
role: symbol
role_heading: Enumeration Case
platforms: [macOS 10.12+]
path: kernel/1638125-anonymous/kiofbnotifydisplaymodewillchange
---

# kIOFBNotifyDisplayModeWillChange

## Declaration

```occ
kIOFBNotifyDisplayModeWillChange = 1
```