# GH_IO.UserInterface namespace

Assembly: [GH_IO](https://developer.rhino3d.com/api/gh1/assembly/gh-io.md)

## Classes

- [GH_ArchiveMessageViewer](https://developer.rhino3d.com/api/gh1/type/gh-io.userinterface.gh-archivemessageviewer.md): Viewer/Browser that displays a list of archive messages.
- [GH_DeveloperDetails](https://developer.rhino3d.com/api/gh1/type/gh-io.userinterface.gh-developerdetails.md): Constains a set of static fields and properties regarding developer contact details.