---
title: kCVReturnDisplayLinkNotRunning
framework: corevideo
role: symbol
role_heading: Global Variable
path: corevideo/kcvreturndisplaylinknotrunning
---

# kCVReturnDisplayLinkNotRunning

The specified display link is not running.

## Declaration

```swift
var kCVReturnDisplayLinkNotRunning: CVReturn { get }
```

## See Also

### Display Link

- [kCVReturnInvalidDisplay](corevideo/kcvreturninvaliddisplay.md)
- [kCVReturnDisplayLinkAlreadyRunning](corevideo/kcvreturndisplaylinkalreadyrunning.md)
- [kCVReturnDisplayLinkCallbacksNotSet](corevideo/kcvreturndisplaylinkcallbacksnotset.md)