public MainWindow()
{
InitializeComponent();
OrganizerModel model = new OrganizerModel();
viewModel = new MainWindowViewModel(model);
this.DataContext = viewModel;
}
public MainWindowViewModel(OrganizerModel model)
{
this.sourcePath = string.Empty;
this.destinationPath = string.Empty;
this.Log = new ObservableCollection <string>();
this.model = model;
this.model.PropertyChanged += Model_PropertyChanged;
}