[ObsoleteAttribute("For security reason, this method always returns null.")]
public static string GetUnlockString()

<ObsoleteAttribute("For security reason, this method always returns null.")>
Public Shared Function GetUnlockString As String

public:
[ObsoleteAttribute(L"For security reason, this method always returns null.")]
static String^ GetUnlockString()

[<ObsoleteAttribute("For security reason, this method always returns null.")>]
static member GetUnlockString : unit -> string