private async void AddBookBtn_Click(object sender, RoutedEventArgs e)
{
var dialog = new CreateBookWindow();
dialog.Owner = this;
dialog.ShowDialog();
if (dialog.DialogResult == true)
{
await RefreshBooksList();
}
}
private void OnNewBookButtonClick(object sender, RoutedEventArgs e)
{
CreateBookWindow bookWindow = new CreateBookWindow();
bookWindow.Show();
}