---
title: NSDatePickerCellDelegate
framework: appkit
role: symbol
role_heading: Protocol
path: appkit/nsdatepickercelldelegate
---

# NSDatePickerCellDelegate

A set of optional methods implemented by delegates of NSDatePickerCell objects.

## Declaration

```swift
protocol NSDatePickerCellDelegate : NSObjectProtocol
```

## Topics

### Content Validation

- [datePickerCell(_:validateProposedDateValue:timeInterval:)](appkit/nsdatepickercelldelegate/datepickercell(_:validateproposeddatevalue:timeinterval:).md)

## Relationships

### Inherits From

- [NSObjectProtocol](objectivec/nsobjectprotocol.md)

## See Also

### Cells

- [NSDatePickerCell](appkit/nsdatepickercell.md)