---
title: csVerticalBlanking
framework: IOKit
role: symbol
role_heading: Instance Property
platforms: [Mac Catalyst 18.4+, macOS 10.0+]
path: iokit/vddetailedtimingrec/1567752-csverticalblanking
---

# csVerticalBlanking

## Declaration

```occ
UInt32 csVerticalBlanking;
```