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Initialization of the graphics screen.
| Name | Description |
|---|---|
| ClearDevice | Empty the graphics screen |
| CloseGraph | Finish drawing session, return to text mode |
| DetectGraph | Detect graphical modes |
| GetAspectRatio | Get aspect ratio of screen |
| GetModeRange | Get range of valid modes for current driver |
| GraphDefaults | Set defaults |
| GetDriverName | Return name of graphical driver |
| GetGraphMode | Return current or last used graphics mode |
| GetMaxMode | Get maximum mode for current driver |
| GetModeName | Get name of current mode |
| GraphErrorMsg | String representation of graphical error |
| GraphResult | Result of last drawing operation |
| InitGraph | Initialize graphics drivers |
| InstallUserDriver | Install a new driver |
| RegisterBGIDriver | Register a new driver |
| RestoreCRTMode | Go back to text mode |
| SetGraphMode | Set graphical mode |