# `BCCollectionView delegateDidSelectItemsAtIndexes:oldSelection:`

*Instance Method*

## Declaration

```swift
func delegateDidSelectItems(at indexSet: IndexSet!, oldSelection oldSelction: IndexSet!)
```

```objc
- (void) delegateDidSelectItemsAtIndexes:(NSIndexSet *) indexSet oldSelection:(NSIndexSet *) oldSelction;
```

```python
delegateDidSelectItemsAtIndexes_oldSelection_(indexSet: NSIndexSet, oldSelction: NSIndexSet)
```