# `BCCollectionViewDelegate cellSizeForCollectionView:`

*Instance Method*

## Declaration

```swift
func cellSize(for collectionView: BCCollectionView!) -> NSSize
```

```objc
- (NSSize) cellSizeForCollectionView:(BCCollectionView *) collectionView;
```

```python
cellSizeForCollectionView_(collectionView: BCCollectionView) -> NSSize
```