A graphics port.
A description sequence.
graphics-state parameters passed as keyword arguments.
draw-lines draws several lines as specified by the
sequence. This is usually more efficient than making several calls to draw-line. The
argument is a sequence of values of the form
x1 y1 x2 y2
. See draw-line for more information.
CAPI User Guide and Reference Manual (Windows version) - 3 Aug 2017