public static int UnixTimeStamp(
	this DateTime dateTime,
	string timeZoneId = "UTC"
)

<ExtensionAttribute>
Public Shared Function UnixTimeStamp ( 
	dateTime As DateTime,
	Optional timeZoneId As String = "UTC"
) As Integer

public:
[ExtensionAttribute]
static int UnixTimeStamp(
	DateTime dateTime, 
	String^ timeZoneId = L"UTC"
)

[<ExtensionAttribute>]
static member UnixTimeStamp : 
        dateTime : DateTime * 
        ?timeZoneId : string 
(* Defaults:
        let _timeZoneId = defaultArg timeZoneId "UTC"
*)
-> int