► |  | Slideshow: Racket Figure and Presentation Tools

1 | Creating Slide Presentations
2 | Making Pictures
3 | Making Slides
4 | Typesetting Racket Code
5 | Animations
| Bibliography
| Index

▼ | 3 | Making Slides

3.1 | Primary Slide Functions
3.2 | Slide Registration
3.3 | Viewer Control
3.4 | Constants and Layout Variables
3.5 | Configuration
3.6 | Pict-Staging Helper
3.7 | Slides to Picts

On this page:

most-recent-slide
retract-most-recent-slide
re-slide
slide?

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#### 3.2`` Slide Registration

( most-recent-slide ) → slide?

Returns a slide structure that be supplied re-slide to make a copy of the slide.

( retract-most-recent-slide ) → slide?

Cancels the most recently created slide, and also returns a slide structure that be supplied to re-slide to restore the slide (usually in a later position).

( re-slide slide [pict]) → void?
slide : slide?
pict : pict? = ( blank )

Re-inserts a slide, lt-superimposeing the given additional pict.

( slide? v) → boolean?
v : any/c

Returns #t if v is a slide produced by most-recent-slide or retract-most-recent-slide.
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