---
title: reloadAllComponents()
framework: uikit
role: symbol
role_heading: Instance Method
path: uikit/uipickerview/reloadallcomponents()
---

# reloadAllComponents()

Reloads all components of the picker view.

## Declaration

```swift
func reloadAllComponents()
```

## Discussion

Discussion Calling this method causes the picker view to query the delegate for new data for all components.

## See Also

### Reloading the picker view

- [reloadComponent(_:)](uikit/uipickerview/reloadcomponent(_:).md)
