| Offset | Name | Size | Contents |
| 4 | wEnv | 2 | Operating environment: 0 = Microsoft Windows 1 = Apple Macintosh |
| 6 | rgb | var | TPrint structure (for more information about this structure, see Inside Macintosh, Volume II, page 149). |
| Offset | Name | Size | Contents |
| 4 | wEnv | 2 | Operating environment: 0 = Microsoft Windows 1 = Apple Macintosh |
| 6 | rgb | var | DEVMODE structure (for more information about this structure, see the documentation for the Microsoft Windows Software Development Kit). |