The following code produces an error on the line " StreamDecodeState = SDS_WaitingStart", "Variable SDS_WaitingStart is undeclared.  How do I use enums?

Class NMEADecoder
   
    Private StreamData As ListOfByte
    Enum StreamDecodeState As Integer
        SDS_WaitingStart = 0
        SDS_WaitingEnd = 1
        SDS_WaitingCS = 2
    End Enum
   
    Private DecodeState As StreamDecodeState
   
    Public Sub New()
        StreamData = New ListOfByte
        DecodeState = SDS_WaitingStart
    End Sub
   

I've used enums in many cases, lots of the libraries use them, but in all cases they have to be declared outside of a class.

Take a look at the MQTT, accelerator or Timer libraries to see how we are using them.