---
title: csCharSizeHorizontalActive
framework: IOKit
role: symbol
role_heading: Instance Property
platforms: [Mac Catalyst 18.4+, macOS 10.0+]
path: iokit/vddisplaytimingrangerec/1567935-cscharsizehorizontalactive
---

# csCharSizeHorizontalActive

## Declaration

```occ
UInt8 csCharSizeHorizontalActive;
```