---
title: NSAnimation.BlockingMode
framework: appkit
role: symbol
role_heading: Enumeration
path: appkit/nsanimation/blockingmode
---

# NSAnimation.BlockingMode

These constants indicate the blocking mode of an NSAnimation object when it is running.

## Declaration

```swift
enum BlockingMode
```

## Overview

Overview You specify one of these constants in the animationBlockingMode property.

## Topics

### Constants

- [NSAnimation.BlockingMode.blocking](appkit/nsanimation/blockingmode/blocking.md)
- [NSAnimation.BlockingMode.nonblocking](appkit/nsanimation/blockingmode/nonblocking.md)
- [NSAnimation.BlockingMode.nonblockingThreaded](appkit/nsanimation/blockingmode/nonblockingthreaded.md)

### Initializers

- [init(rawValue:)](appkit/nsanimation/blockingmode/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

- [NSAnimation.Curve](appkit/nsanimation/curve.md)
- [NSAnimation.Progress](appkit/nsanimation/progress.md)
- [NSAnimationProgressMark Notification Key](appkit/nsanimationprogressmark-notification-key.md)