public virtual void SetViewport(
	double xmin,
	double xmax,
	double ymin,
	double ymax
)

Public Overridable Sub SetViewport ( 
	xmin As Double,
	xmax As Double,
	ymin As Double,
	ymax As Double
)

public:
virtual void SetViewport(
	double xmin, 
	double xmax, 
	double ymin, 
	double ymax
)

abstract SetViewport : 
        xmin : float * 
        xmax : float * 
        ymin : float * 
        ymax : float -> unit 
override SetViewport : 
        xmin : float * 
        xmax : float * 
        ymin : float * 
        ymax : float -> unit