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