public virtual void GetZMinMax(
	Projection p,
	double umin,
	double umax,
	double vmin,
	double vmax,
	ref double zMin,
	ref double zMax
)

Public Overridable Sub GetZMinMax ( _
	p As Projection, _
	umin As Double, _
	umax As Double, _
	vmin As Double, _
	vmax As Double, _
	ByRef zMin As Double, _
	ByRef zMax As Double _
)

public:
virtual void GetZMinMax(
	Projection^ p, 
	double umin, 
	double umax, 
	double vmin, 
	double vmax, 
	double% zMin, 
	double% zMax
)