public static IEnumerable<T> GetAll<T>()
where T : Enumeration

Public Shared Function GetAll(Of T As Enumeration) As IEnumerable(Of T)

public:
generic<typename T>
where T : Enumeration
static IEnumerable<T>^ GetAll()

static member GetAll : unit -> IEnumerable<'T>  when 'T : Enumeration