---
title: UIStackView.Distribution.fillProportionally
framework: uikit
role: symbol
role_heading: Case
path: uikit/uistackview/distribution-swift.enum/fillproportionally
---

# UIStackView.Distribution.fillProportionally

A layout where the stack view resizes views proportionally based on their intrinsic content size to fill the available space along the stack view’s axis.

## Declaration

```swift
case fillProportionally
```

## Discussion

Discussion The following image shows an example of a horizontal stack view that uses the UIStackView.Distribution.fillProportionally distribution.

## See Also

### Constants

- [UIStackView.Distribution.fill](uikit/uistackview/distribution-swift.enum/fill.md)
- [UIStackView.Distribution.fillEqually](uikit/uistackview/distribution-swift.enum/fillequally.md)
- [UIStackView.Distribution.equalSpacing](uikit/uistackview/distribution-swift.enum/equalspacing.md)
- [UIStackView.Distribution.equalCentering](uikit/uistackview/distribution-swift.enum/equalcentering.md)