# `BCCollectionViewDelegate collectionViewBecameFirstResponder:`

*Instance Method*

## Declaration

```swift
optional func collectionViewBecameFirstResponder(_ collectionView: BCCollectionView!)
```

```objc
- (void) collectionViewBecameFirstResponder:(BCCollectionView *) collectionView;
```

```python
collectionViewBecameFirstResponder_(collectionView: BCCollectionView)
```