public ExamEnv()
{
InitUtensils();
UtensilDictionary = new UtensilDictionary();
WeldingTypeArray = Enum.GetValues(typeof(WeldingType));
RandomSeed = new Random();
UHFManager.LabelDetected += UHFManagerLabelDetected;
SerialMessageHandler.DeviceStateChanged += DeviceStateChanged;
}
private void UHFManagerLabelDetected(IEnumerable <string> labelList)
{
SelectedUtensilList = (from string label in labelList select UtensilDictionary.LookUp(label)).
Where(utensil => utensil.HasValue).Select(utensil => utensil.Value);
}