---
title: Anonymous
framework: Kernel
role: containerSymbol
role_heading: Enumeration
platforms: [macOS 10.12+]
path: kernel/1638367-anonymous
---

# Anonymous

## Declaration

```occ
enum : unsigned int {
    ...
};
```

## Topics

### Constants

- [kIO16BE555PixelFormat](kernel/1638367-anonymous/kio16be555pixelformat.md)
- [kIO1IndexedGrayPixelFormat](kernel/1638367-anonymous/kio1indexedgraypixelformat.md)
- [kIO1MonochromePixelFormat](kernel/1638367-anonymous/kio1monochromepixelformat.md)
- [kIO24RGBPixelFormat](kernel/1638367-anonymous/kio24rgbpixelformat.md)
- [kIO2IndexedGrayPixelFormat](kernel/1638367-anonymous/kio2indexedgraypixelformat.md)
- [kIO2IndexedPixelFormat](kernel/1638367-anonymous/kio2indexedpixelformat.md)
- [kIO32ARGBPixelFormat](kernel/1638367-anonymous/kio32argbpixelformat.md)
- [kIO4IndexedGrayPixelFormat](kernel/1638367-anonymous/kio4indexedgraypixelformat.md)
- [kIO4IndexedPixelFormat](kernel/1638367-anonymous/kio4indexedpixelformat.md)
- [kIO8IndexedGrayPixelFormat](kernel/1638367-anonymous/kio8indexedgraypixelformat.md)
- [kIO8IndexedPixelFormat](kernel/1638367-anonymous/kio8indexedpixelformat.md)