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# NSVisualEffectView.State

Constants to specify how the material appearance should reflect window activity state.

```
enum State
```

## Topics

### Visual Effect View States

[`NSVisualEffectStateFollowsWindowActiveState`](/documentation/AppKit/NSVisualEffectView/State-swift.enum/followsWindowActiveState)

The backdrop should automatically appear active when the window is active, and inactive when it is not.

[`NSVisualEffectStateActive`](/documentation/AppKit/NSVisualEffectView/State-swift.enum/active)

The backdrop should always appear active.

[`NSVisualEffectStateInactive`](/documentation/AppKit/NSVisualEffectView/State-swift.enum/inactive)

The backdrop should always appear inactive.

## Relationships

### Conforms To

[`RawRepresentable`](/documentation/Swift/RawRepresentable)

[`Hashable`](/documentation/Swift/Hashable)

[`BitwiseCopyable`](/documentation/Swift/BitwiseCopyable)

[`SendableMetatype`](/documentation/Swift/SendableMetatype)

[`Equatable`](/documentation/Swift/Equatable)

[`Sendable`](/documentation/Swift/Sendable)

---

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