public static string GetHostName(
	IPAddress externalIP = null
)

Public Shared Function GetHostName ( 
	Optional externalIP As IPAddress = Nothing
) As String

public:
static String^ GetHostName(
	IPAddress^ externalIP = nullptr
)

static member GetHostName : 
        ?externalIP : IPAddress 
(* Defaults:
        let _externalIP = defaultArg externalIP null
*)
-> string