private void AddSectionButton_Click(object sender, RoutedEventArgs e)
 {
     ViewModel.NewSection = new Section()
                            .NotebookId(ViewModel.Notebook.Id);
     NewSectionFlyout.ShowAt(sender as FrameworkElement);
 }
 private void CancelNewSectionButton_Click(object sender, RoutedEventArgs e)
 {
     NewSectionFlyout.Hide();
     NewSectionTextBox.Text = string.Empty;
 }
 private void AddNewSectionButton_Click(object sender, RoutedEventArgs e)
 {
     NewSectionFlyout.Hide();
 }