---
title: maxVerticalBorderTop
framework: IOKit
role: symbol
role_heading: Instance Property
platforms: [Mac Catalyst 13.0+, macOS 10.15+]
path: iokit/iodisplaytimingrangev1/3131336-maxverticalbordertop
---

# maxVerticalBorderTop

## Declaration

```occ
UInt32 maxVerticalBorderTop;
```