---
title: verticalBlankingMaxShrinkPerFrame
framework: IOKit
role: symbol
role_heading: Instance Property
platforms: [Mac Catalyst 15.0+, macOS 12.0+]
path: iokit/iodetailedtiminginformationv2/3753269-verticalblankingmaxshrinkperfram
---

# verticalBlankingMaxShrinkPerFrame

## Declaration

```occ
UInt16 verticalBlankingMaxShrinkPerFrame;
```