qb45advr.hlp (
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SCREEN Statement Details
◄QuickSCREEN► ◄Details► ◄Example► ◄Contents► ◄Index►
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SCREEN Statement Details
Syntax
SCREEN [mode][,[colorswitch]][,[apage]][,[vpage]]
Argument Description
mode An integer constant or expression indicating the
screen mode. See ◄Screen Mode Summary► for a list of
the valid mode numbers.
colorswitch Determines whether color is displayed on composite
monitors. The colorswitch is a numeric expression in
the range 0-255.
■ When it is true (nonzero), color is disabled and only
black and white images are displayed.
■ When colorswitch is false (zero), images are in color.
■ The meaning of the colorswitch argument is inverted in
screen mode 0.
In screen modes 2 and up, colorswitch is ignored.
apage A numeric expression that is the number of the screen
page that text output or graphics commands write to.
See ◄Adapters and Displays► for the number of pages
available for each graphics adapter.
vpage A numeric expression that is the number of the screen
page being displayed.
See Also
◄Screen Mode Summary► Lists capabilities of each screen mode
◄Adapters and Displays► Lists the screen modes for specific
combinations of adapters and displays
◄Color Numbers and Attributes► Lists the default color attributes for
different screen modes