---
title: oldScaleFactorUserInfoKey
framework: appkit
role: symbol
role_heading: Type Property
path: appkit/nswindow/oldscalefactoruserinfokey
---

# oldScaleFactorUserInfoKey

An NSNumber containing the old scale factor.

## Declaration

```swift
class let oldScaleFactorUserInfoKey: String
```

## See Also

### Constants

- [oldColorSpaceUserInfoKey](appkit/nswindow/oldcolorspaceuserinfokey.md)