---
title: csMaxVerticalActiveClocks
framework: IOKit
role: symbol
role_heading: Instance Property
platforms: [Mac Catalyst 18.4+, macOS 10.0+]
path: iokit/vddisplaytimingrangerec/1567811-csmaxverticalactiveclocks
---

# csMaxVerticalActiveClocks

## Declaration

```occ
UInt32 csMaxVerticalActiveClocks;
```