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  "title" : "NSView.Invalidations"
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# NSView.Invalidations

Changes that cause aspects of a view to be invalid and require an update.

```
enum Invalidations
```

## Topics

### Types of Invalidations

[`struct Constraints`](/documentation/AppKit/NSView/Invalidations/Constraints)

A change that invalidates a view’s constraints.

[`struct Display`](/documentation/AppKit/NSView/Invalidations/Display)

A change that requires the system to redraw a view’s content.

[`struct IntrinsicContentSize`](/documentation/AppKit/NSView/Invalidations/IntrinsicContentSize)

A change that invalidates a view’s intrinsic size.

[`struct Layout`](/documentation/AppKit/NSView/Invalidations/Layout)

A change that invalidates the layout of the containing view’s subviews.

[`struct RestorableState`](/documentation/AppKit/NSView/Invalidations/RestorableState)

A change that invalidates the restorable state of the view.

[`struct Tuple`](/documentation/AppKit/NSView/Invalidations/Tuple)

A change that invalidates a combination of factors covered by the other invalidation types.


---

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