public void GetExtents2d(
	ref double d1,
	ref double d2,
	ref double d3,
	ref double d4
)

Public Sub GetExtents2d ( 
	ByRef d1 As Double,
	ByRef d2 As Double,
	ByRef d3 As Double,
	ByRef d4 As Double
)

public:
void GetExtents2d(
	double% d1, 
	double% d2, 
	double% d3, 
	double% d4
)

member GetExtents2d : 
        d1 : float byref * 
        d2 : float byref * 
        d3 : float byref * 
        d4 : float byref -> unit