411 REFERENCE · Wikibooks
MATLAB Programming/Psychtoolbox/Screen Commands/CloseAll
Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.
Usage:
Screen('CloseAll')
Close all of SCREEN's windows (on- and offscreen). Closing each on-screen window
takes about a second. After closing the last on-screen window the cursor is made
visible.