---
title: CWEventType.powerDidChange
framework: corewlan
role: symbol
role_heading: Case
path: corewlan/cweventtype/powerdidchange
---

# CWEventType.powerDidChange

Posts when the power state of any Wi-Fi interface changes.

## Declaration

```swift
case powerDidChange
```

## See Also

### Constants

- [CWEventType.none](corewlan/cweventtype/none.md)
- [CWEventType.ssidDidChange](corewlan/cweventtype/ssiddidchange.md)
- [CWEventType.bssidDidChange](corewlan/cweventtype/bssiddidchange.md)
- [CWEventType.countryCodeDidChange](corewlan/cweventtype/countrycodedidchange.md)
- [CWEventType.linkDidChange](corewlan/cweventtype/linkdidchange.md)
- [CWEventType.linkQualityDidChange](corewlan/cweventtype/linkqualitydidchange.md)
- [CWEventType.modeDidChange](corewlan/cweventtype/modedidchange.md)
- [CWEventType.scanCacheUpdated](corewlan/cweventtype/scancacheupdated.md)
- [CWEventType.unknown](corewlan/cweventtype/unknown.md)