public DialogResult ShowRegistrationForm(
	Form owner,
	string title = "",
	string BuyNowURL = ""
)

Public Function ShowRegistrationForm ( 
	owner As Form,
	Optional title As String = "",
	Optional BuyNowURL As String = ""
) As DialogResult

public:
DialogResult ShowRegistrationForm(
	Form^ owner, 
	String^ title = L"", 
	String^ BuyNowURL = L""
)

member ShowRegistrationForm : 
        owner : Form * 
        ?title : string * 
        ?BuyNowURL : string 
(* Defaults:
        let _title = defaultArg title ""
        let _BuyNowURL = defaultArg BuyNowURL ""
*)
-> DialogResult