public void Rectangle(
	double x0,
	double y0,
	double x1,
	double y1
)

Public Sub Rectangle ( 
	x0 As Double,
	y0 As Double,
	x1 As Double,
	y1 As Double
)

public:
void Rectangle(
	double x0, 
	double y0, 
	double x1, 
	double y1
)

member Rectangle : 
        x0 : float * 
        y0 : float * 
        x1 : float * 
        y1 : float -> unit