public Nullable<TEnum> GetNullableEnum<TEnum>(
	string propName
)
where TEnum : struct, new()

Public Function GetNullableEnum(Of TEnum As {Structure, New}) ( 
	propName As String
) As Nullable(Of TEnum)

public:
generic<typename TEnum>
where TEnum : value class, gcnew()
Nullable<TEnum> GetNullableEnum(
	String^ propName
)

member GetNullableEnum : 
        propName : string -> Nullable<'TEnum>  when 'TEnum : struct, new()