Quantity Constructor (String, String, eumItem, eumUnit)

public Quantity(
	string id,
	string description,
	eumItem item,
	eumUnit unit
)

Public Sub New ( 
	id As String,
	description As String,
	item As eumItem,
	unit As eumUnit
)

public:
Quantity(
	String^ id, 
	String^ description, 
	eumItem item, 
	eumUnit unit
)