---
title: textViewportLayoutController
framework: uikit
role: symbol
role_heading: Instance Property
path: uikit/nstextlayoutmanager/textviewportlayoutcontroller
---

# textViewportLayoutController

Returns text viewport layout controller associated with the layout manager’s text container.

## Declaration

```swift
var textViewportLayoutController: NSTextViewportLayoutController { get }
```

## See Also

### Causing layout generation

- [invalidateLayout(for:)](uikit/nstextlayoutmanager/invalidatelayout(for:).md)
- [textLayoutFragment(for:)](uikit/nstextlayoutmanager/textlayoutfragment(for:)-68dez.md)
- [textLayoutFragment(for:)](uikit/nstextlayoutmanager/textlayoutfragment(for:)-4dhrx.md)
- [ensureLayout(for:)](uikit/nstextlayoutmanager/ensurelayout(for:)-6ptsj.md)
- [ensureLayout(for:)](uikit/nstextlayoutmanager/ensurelayout(for:)-3duae.md)
- [enumerateTextLayoutFragments(from:options:using:)](uikit/nstextlayoutmanager/enumeratetextlayoutfragments(from:options:using:).md)
- [NSTextLayoutManager.SegmentType](uikit/nstextlayoutmanager/segmenttype.md)
- [NSTextLayoutManager.SegmentOptions](uikit/nstextlayoutmanager/segmentoptions.md)