# `BCCollectionView indexesOfItemContentRectsInRect:`

*Instance Method*

## Declaration

```swift
func indexesOfItemContentRects(in rect: NSRect) -> IndexSet!
```

```objc
- (NSIndexSet *) indexesOfItemContentRectsInRect:(NSRect) rect;
```

```python
indexesOfItemContentRectsInRect_(rect: NSRect) -> NSIndexSet
```