---
title: csMaxVerticalBorderTop
framework: IOKit
role: symbol
role_heading: Instance Property
platforms: [Mac Catalyst 18.4+, macOS 10.0+]
path: iokit/vddisplaytimingrangerec/1568084-csmaxverticalbordertop
---

# csMaxVerticalBorderTop

## Declaration

```occ
UInt32 csMaxVerticalBorderTop;
```