Display Control Functions Reference (AutoLISP)

The following table provides summary descriptions of the AutoLISP display control functions.

Display control functions		Platforms
		Windows		Mac OS		Web
Function	Description	AutoCAD	AutoCAD LT	AutoCAD	AutoCAD LT	AutoCAD
(graphscr)	Displays the AutoCAD graphics screen	✓	✓	/ - supported, but doesn't do anything	--	/ - supported, but doesn't do anything
(grdraw from to color [highlight])	Draws a vector between two points, in the current viewport	✓	✓	✓	--	✓
(grtext [box text [highlight]])	Writes text to the status line or to screen menu areas	✓	✓	✓	--	✓
(grvecs vlist [trans])	Draws multiple vectors on the graphics screen	✓	✓	✓	--	✓
(menucmd string)	Issues menu commands, or sets and retrieves menu item status	✓	✓	/ - supported, but limited	--	/ - supported, but limited
(menugroup groupname)	Verifies that a menu group is loaded	✓	✓	/ - supported, but always returns groupname	--	/ - supported, but always returns groupname
(prin1 [expr [file-desc]])	Prints an expression to the command line or writes an expression to an open file	✓	✓	✓	--	✓
(princ [expr [file-desc]])	Prints an expression to the command line, or writes an expression to an open file	✓	✓	✓	--	✓
(print [expr [file-desc]])	Prints an expression to the command line, or writes an expression to an open file	✓	✓	✓	--	✓
(prompt msg)	Displays a string on your screen's prompt area	✓	✓	✓	--	✓
(redraw [ename [mode]])	Redraws the current viewport or a specified object (entity) in the current viewport	✓	✓	✓	--	✓
(terpri)	Prints a newline to the Command line	✓	✓	✓	--	✓
(textpage)	Switches from the graphics screen to the text screen	✓	✓	/ - supported, but doesn't do anything	--	/ - supported, but doesn't do anything
(textscr)	Switches from the graphics screen to the text screen (like the AutoCAD Flip Screen function key)	✓	✓	/ - supported, but doesn't do anything	--	/ - supported, but doesn't do anything
(vports)	Returns a list of viewport descriptors for the current viewport configuration	✓	✓	✓	--	✓