---
title: maximumItemSize
framework: appkit
role: symbol
role_heading: Instance Property
path: appkit/nscollectionviewgridlayout/maximumitemsize
---

# maximumItemSize

The largest allowable size for an item’s view.

## Declaration

```swift
var maximumItemSize: NSSize { get set }
```

## Discussion

Discussion Use this property to limit the maximum size of items displayed in the grid. The default value of this property is (0.0, 0.0), which imposes no maximum size for items.

## See Also

### Specifying the Grid Parameters

- [maximumNumberOfRows](appkit/nscollectionviewgridlayout/maximumnumberofrows.md)
- [maximumNumberOfColumns](appkit/nscollectionviewgridlayout/maximumnumberofcolumns.md)
- [minimumItemSize](appkit/nscollectionviewgridlayout/minimumitemsize.md)