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| Allegro CL version 10.1 Unrevised from 10.0 to 10.1. 10.0 version

## graphical-stream

This non-instantiable class is the superclass of all stream classes onto which graphics can be drawn. This includes windows (instances of `basic-pane` and its subclasses), the screen (whose class is `screen`), `bitmap-stream`, and `printer` streams. The class may be useful for specializing methods that should apply to any stream on which graphics can be drawn.

A diagram of window and widget classes is shown in Widget and window classes in cgide.htm.

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This page was not revised from the 10.0 page.
Created 2019.8.20.

|  | ToC | DocOverview | CGDoc | RelNotes | FAQ | Index | PermutedIndex
| Allegro CL version 10.1 Unrevised from 10.0 to 10.1. 10.0 version