---
title: horizontalBorder
framework: IOKit
role: symbol
role_heading: Instance Property
platforms: [Mac Catalyst 13.0+, macOS 10.3+]
path: iokit/iodetailedtiminginformationv1/1506074-horizontalborder
---

# horizontalBorder

## Declaration

```occ
UInt32 horizontalBorder;
```