public virtual void Derivation2At(
	GeoPoint2D uv,
	out GeoPoint location,
	out GeoVector du,
	out GeoVector dv,
	out GeoVector duu,
	out GeoVector dvv,
	out GeoVector duv
)

Public Overridable Sub Derivation2At ( _
	uv As GeoPoint2D, _
	<OutAttribute> ByRef location As GeoPoint, _
	<OutAttribute> ByRef du As GeoVector, _
	<OutAttribute> ByRef dv As GeoVector, _
	<OutAttribute> ByRef duu As GeoVector, _
	<OutAttribute> ByRef dvv As GeoVector, _
	<OutAttribute> ByRef duv As GeoVector _
)

public:
virtual void Derivation2At(
	GeoPoint2D uv, 
	[OutAttribute] GeoPoint% location, 
	[OutAttribute] GeoVector% du, 
	[OutAttribute] GeoVector% dv, 
	[OutAttribute] GeoVector% duu, 
	[OutAttribute] GeoVector% dvv, 
	[OutAttribute] GeoVector% duv
)