---
title: kCGImagePropertyPrimaryImage
framework: imageio
role: symbol
role_heading: Global Variable
path: imageio/kcgimagepropertyprimaryimage
---

# kCGImagePropertyPrimaryImage

The index of the primary image in the file.

## Declaration

```swift
let kCGImagePropertyPrimaryImage: CFString
```

## See Also

### Image Information

- [kCGImagePropertyImageCount](imageio/kcgimagepropertyimagecount.md)
- [kCGImagePropertyIsIndexed](imageio/kcgimagepropertyisindexed.md)
- [kCGImagePropertyImages](imageio/kcgimagepropertyimages.md)
- [kCGImagePropertyThumbnailImages](imageio/kcgimagepropertythumbnailimages.md)
- [kCGImagePropertyIsFloat](imageio/kcgimagepropertyisfloat.md)
- [kCGImagePropertyOrientation](imageio/kcgimagepropertyorientation.md)
- [Individual Image Properties](imageio/individual-image-properties.md)
- [CGImagePropertyOrientation](imageio/cgimagepropertyorientation.md)