---
title: NSPopover.CloseReason
framework: appkit
role: symbol
role_heading: Structure
path: appkit/nspopover/closereason
---

# NSPopover.CloseReason

Values that specify the reason for the willCloseNotification notification.

## Declaration

```swift
struct CloseReason
```

## Topics

### Constants

- [detachToWindow](appkit/nspopover/closereason/detachtowindow.md)
- [standard](appkit/nspopover/closereason/standard.md)

### Initializers

- [init(rawValue:)](appkit/nspopover/closereason/init(rawvalue:).md)

## Relationships

### Conforms To

- [Equatable](swift/equatable.md)
- [Hashable](swift/hashable.md)
- [RawRepresentable](swift/rawrepresentable.md)
- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)

## See Also

### Constants

- [NSPopover.Behavior](appkit/nspopover/behavior-swift.enum.md)
- [closeReasonUserInfoKey](appkit/nspopover/closereasonuserinfokey.md)
- [NSPopover.Appearance](appkit/nspopover/appearance-swift.enum.md)