public static void AttachSigEventHandler(this Sig cue, UnifiedSigEventHandler handler)
        {
            eSigEvent eventType;

            switch (cue.Type)
            {
            case eSigType.Bool:
                eventType = eSigEvent.BoolChange;
                break;

            case eSigType.UShort:
                eventType = cue.IsInput ? eSigEvent.UShortInputRamping : eSigEvent.UShortChange;
                break;

            case eSigType.String:
                eventType = eSigEvent.StringChange;
                break;

            default:
                eventType = eSigEvent.NA;
                break;
            }

            cue.AttachSigEventHandler(handler, eventType);
        }