---
title: kCVImageBufferDisplayHeightKey
framework: corevideo
role: symbol
role_heading: Global Variable
path: corevideo/kcvimagebufferdisplayheightkey
---

# kCVImageBufferDisplayHeightKey

A key to the display height of the image buffer.

## Declaration

```swift
let kCVImageBufferDisplayHeightKey: CFString
```

## Discussion

Discussion The display height value is of type CFNumber.

## See Also

### Constants

- [kCVImageBufferDisplayWidthKey](corevideo/kcvimagebufferdisplaywidthkey.md)