Difference between revisions of "SET SCREENIO"
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Handle processing of character 255 | Handle processing of character 255 | ||
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[[Category:Documentation]] | [[Category:Documentation]] | ||
[[Category:Commands]] | [[Category:Commands]] | ||
Latest revision as of 15:28, 25 November 2009
Purpose
Handle processing of character 255
Syntax
SET SCREENIO ON | OFF | (<expL>)
See Also
BLINK(), BOLD(), CHR(), REVERSE(), SET CONSOLE, SET MAPCHAR, SET SCREENMAP, UNDERLINE()
Description
The SET SCREENIO command allows the programmer to handle processing of the special screen attributes character, CHR(255). Standard processing uses the screen attributes character to mark sections of the screenmap for special video attributes such as blink or reverse. The SET SCREENIO command allows for temporary disabling of the processing of CHR(255).
If SET SCREENIO is OFF, special processing is disabled and CHR (255) is displayed as a space character.
Example
set screenio off ? chr(255) set screenio on
Products
Recital
