---
title: reserved
framework: IOKit
role: symbol
role_heading: Instance Property
platforms: [Mac Catalyst 13.0+, macOS 10.0+]
path: iokit/iodisplaymodeinformation/1505975-reserved
---

# reserved

Set to zero.

## Declaration

```occ
UInt32 reserved[3];
```

## See Also

### Fields

- [nominalWidth](iokit/iodisplaymodeinformation/1506031-nominalwidth.md)
- [nominalHeight](iokit/iodisplaymodeinformation/1505238-nominalheight.md)
- [refreshRate](iokit/iodisplaymodeinformation/1506012-refreshrate.md)
- [maxDepthIndex](iokit/iodisplaymodeinformation/1505323-maxdepthindex.md)
- [flags](iokit/iodisplaymodeinformation/1505482-flags.md)
- [imageWidth](iokit/iodisplaymodeinformation/1506007-imagewidth.md)
- [imageHeight](iokit/iodisplaymodeinformation/1505901-imageheight.md)