---
title: layoutViewport()
framework: appkit
role: symbol
role_heading: Instance Method
path: appkit/nstextviewportlayoutcontroller/layoutviewport()
---

# layoutViewport()

Performs layout in the viewport.

## Declaration

```swift
func layoutViewport()
```

## See Also

### Accessing the viewport characteristics

- [viewportBounds](appkit/nstextviewportlayoutcontroller/viewportbounds.md)
- [viewportRange](appkit/nstextviewportlayoutcontroller/viewportrange.md)
- [adjustViewport(byVerticalOffset:)](appkit/nstextviewportlayoutcontroller/adjustviewport(byverticaloffset:).md)
- [relocateViewport(to:)](appkit/nstextviewportlayoutcontroller/relocateviewport(to:).md)