---
title: csCharSizeVerticalBlanking
framework: IOKit
role: symbol
role_heading: Instance Property
platforms: [Mac Catalyst 18.4+, macOS 10.0+]
path: iokit/vddisplaytimingrangerec/1567929-cscharsizeverticalblanking
---

# csCharSizeVerticalBlanking

## Declaration

```occ
UInt8 csCharSizeVerticalBlanking;
```