---
title: csMaxHorizontalActiveClocks
framework: IOKit
role: symbol
role_heading: Instance Property
platforms: [Mac Catalyst 18.4+, macOS 10.0+]
path: iokit/vddisplaytimingrangerec/1567337-csmaxhorizontalactiveclocks
---

# csMaxHorizontalActiveClocks

## Declaration

```occ
UInt32 csMaxHorizontalActiveClocks;
```