(graph-line g x1 y1 x2 y2)

This function draws a line between points (x1,y1) and (x2,y2).

This is the description

Parameter	Description
g	graph context
x1, y1	line start point
x2, y2	line end point

Example

(graph-line g 0.0 0.0 1.0 -1.0)