private void AddRow()
 {
     ScannerUnits.Add(new ScannerUnitViewModel(new ScannerUnit
     {
         DirectoryForScan     = "C:\\",
         SearchPattern        = "*.extension",
         DirectoryForTransfer = "D:\\",
     }));
 }
 private void RemoveRow()
 {
     ScannerUnits.Remove(SelectedUnit);
 }
        private void SaveSettings()
        {
            Configuration.Units = ScannerUnits.Select(vm => vm.ToUnit()).ToList();

            Cancel();
        }