//Used on area list field selection
 private void setFieldsOnAreaListOptionSelection(IDictionary <string, int> newSpecimenUsed, SampleID newCurrentID_used)
 {
     specimenList.ItemsSource = newSpecimenUsed.Keys;
     specimenUsed             = newSpecimenUsed;
     sampleID.Text            = newCurrentID_used.getId();
     currentID_used           = newCurrentID_used;
 }
        IDictionary <string, int> specimenUsed = null;//used for printing the proper # of copies
        public MainWindow()
        {
            InitializeComponent();

            //initialize sampleID object with the ID value in recentID.json
            currentID_A = new SampleID((int)jsonObj["Id_A"]);
            currentID_B = new SampleID((int)jsonObj["Id_B"]);
            currentID_C = new SampleID((int)jsonObj["Id_C"]);
            currentID_D = new SampleID((int)jsonObj["Id_D"]);

            printerName = jsonObj["printer_name"];

            setDefaults();
        }