---
title: "reloadComponent(_:)"
framework: uikit
role: symbol
role_heading: Instance Method
path: "uikit/uipickerview/reloadcomponent(_:)"
---

# reloadComponent(_:)

Reloads a particular component of the picker view.

## Declaration

```swift
func reloadComponent(_ component: Int)
```

## Parameters

- `component`: A zero-indexed number identifying a component of the picker view.

## Discussion

Discussion Calling this method causes the picker view to query the delegate for new data for the given component.

## See Also

### Reloading the picker view

- [reloadAllComponents()](uikit/uipickerview/reloadallcomponents().md)