QBasic 1.1: VIEW Statement

Explanation

VIEW Statement

Defines the size and location of a viewport where graphics can be displayed on the screen.

Worth knowing

Useful and cross-version information about the programming environments of QBasic, QuickBasic and Visual Basic for DOS.

ASCII Code Tables
Keyboard Scan Codes
Syntax Conventions
Screen Modes
Color Attributes
Error Codes

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Syntax

VIEW [[SCREEN] (x1!,y1!)-(x2!,y2!) [,[color%] [,border%]]]

Description / Parameter(s)

SCREEN	Specifies that coordinates are relative to the screen rather than the viewport.
(x1!,y1!)-(x2!,y2!)	The coordinates of diagonally opposite corners of the viewport.
color%	A color attribute that sets the viewport fill color.
border%	A color attribute that sets the viewport border color.
If all arguments are omitted, the entire screen is the viewport.
The available color attributes depend on your graphics adapter and the screen mode set by the most recent SCREEN statement.

Example


'This example requires a color graphics adapter.
SCREEN 1
VIEW (10, 10)-(300, 180), , 1
LOCATE 1, 11: PRINT "A big graphics viewport";
VIEW SCREEN (80, 80)-(200, 125), , 1
LOCATE 11, 11: PRINT "A small graphics viewport";