---
title: NSBrowser.DropOperation
framework: appkit
role: symbol
role_heading: Enumeration
path: appkit/nsbrowser/dropoperation
---

# NSBrowser.DropOperation

The type used to specify the drop type of a drag-and-drop operation. See browser(_:validateDrop:proposedRow:column:dropOperation:) for more information.

## Declaration

```swift
enum DropOperation
```

## Topics

### Constants

- [NSBrowser.DropOperation.on](appkit/nsbrowser/dropoperation/on.md)
- [NSBrowser.DropOperation.above](appkit/nsbrowser/dropoperation/above.md)

### Initializers

- [init(rawValue:)](appkit/nsbrowser/dropoperation/init(rawvalue:).md)

## Relationships

### Conforms To

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

## See Also

### Constants

- [NSBrowser.ColumnResizingType](appkit/nsbrowser/columnresizingtype-swift.enum.md)
- [Application Kit Versions for NSBrowser Functionality](appkit/application-kit-versions-for-nsbrowser-functionality.md)