The visualisation of drawn graphics must be forced by SHOW. An immediate visualisation after each individual graphic operation would slow down strongly the processing of the program.

PSET, PIXEL	Set or read Pixel
LINE	Line draw
CIRCLE, ELLIPSE	Draw circle or ellipse
BOX	Box (Rectangle) draw
POLYGON	Polygon draw
DRAWICON	Draw an icon
GETICON	Pick a graphic from current screen
RESIZEICON	Resize a given graphic
ICONPIX, SETICONPIX	Read/Write Pixel of a icon
DRAWSTRING	String write
STRINGSIZE, STRINGHEIGHT	Size of the string representation
IGRAPH	Representation of an internal graphic of the PV
SHOW	Representation update
CLS	Clear Screen
SCROLL	Move a screen area
INSIDEG!, INSIDE!	Check coordinates
MSGBOX	Drawing a message box
SBDRAW, SBTOUCH	Scroll bar operations

It is usually not useful to mix graphic procedures with text oriented procedures.