---
title: kCGImagePropertyDNGPreviewApplicationVersion
framework: imageio
role: symbol
role_heading: Global Variable
path: imageio/kcgimagepropertydngpreviewapplicationversion
---

# kCGImagePropertyDNGPreviewApplicationVersion

The version number of the app that created the preview stored in the IFD.

## Declaration

```swift
let kCGImagePropertyDNGPreviewApplicationVersion: CFString
```

## See Also

### Preview

- [kCGImagePropertyDNGPreviewApplicationName](imageio/kcgimagepropertydngpreviewapplicationname.md)
- [kCGImagePropertyDNGPreviewSettingsName](imageio/kcgimagepropertydngpreviewsettingsname.md)
- [kCGImagePropertyDNGPreviewSettingsDigest](imageio/kcgimagepropertydngpreviewsettingsdigest.md)
- [kCGImagePropertyDNGPreviewColorSpace](imageio/kcgimagepropertydngpreviewcolorspace.md)
- [kCGImagePropertyDNGPreviewDateTime](imageio/kcgimagepropertydngpreviewdatetime.md)