private void MyProcesses_Loaded(object sender, RoutedEventArgs e)
        {
            var currentUser  = UserService.SelectedUser;
            var measurements = MeasurementServiceSingleton.Instance.GetMeasurementsForUser(currentUser);

            MyMeasurements.Clear();
            measurements.ForEach(x => MyMeasurements.Add(x));
        }
 private void button1_Click(object sender, RoutedEventArgs e)
 {//Usuń badanie
     if (SelectedMeasurement != null)
     {
         IList <Measurement> listOfMeasurements = SelectedItems as IList <Measurement>;
         foreach (var item in SelectedItems.Cast <Measurement>().ToList())
         {
             MeasurementServiceSingleton.Instance.RemoveMeasuremant(item as Measurement);
             MyMeasurements.Remove(SelectedMeasurement);
         }
     }
 }