public void MapOrigin(
	ref double x_origin,
	ref double y_origin
)

Public Sub MapOrigin ( 
	ByRef x_origin As Double,
	ByRef y_origin As Double
)

public:
void MapOrigin(
	double% x_origin, 
	double% y_origin
)

member MapOrigin : 
        x_origin : float byref * 
        y_origin : float byref -> unit