public void AddLineItem(
	string ID,
	string name,
	string description,
	int quantity,
	decimal unitPrice,
	Nullable<bool> taxable
)

Public Sub AddLineItem ( _
	ID As String, _
	name As String, _
	description As String, _
	quantity As Integer, _
	unitPrice As Decimal, _
	taxable As Nullable(Of Boolean) _
)

public:
void AddLineItem(
	String^ ID, 
	String^ name, 
	String^ description, 
	int quantity, 
	Decimal unitPrice, 
	Nullable<bool> taxable
)