GfxPolyline

Lowlevel graphics 
SYNTAX  GfxPolyline( x1, y1, x2, y2, ... ) 
RETURNS  NOTHING 
FUNCTION  Draws a set of line segments connecting the points specified by arguments (x1,y1), (x2,y2), ... The lines are drawn from the first point through subsequent points using the current pen. Unlike the GfxLineTo function, the GfxPolyline function neither uses nor updates the current position.
This function takes variable number of arguments and accepts up to 12 points (24 arguments = 12 coordinate pairs). The number of arguments must be even as each pair represents (x,y) coordinates of the point. Parameters:
NOTE: This is LOWLEVEL graphic function. To learn more about lowlevel graphic functions please read TUTORIAL: Using lowlevel graphics. 
EXAMPLE  GfxSelectPen( colorGreen, 2 ); 
SEE ALSO  GfxPolygon() function , GfxSelectPen() function 
The GfxPolyline function is used in the following formulas in AFL online library:
See updated/extended version online.