private void AddFavoriteMovie(object sender, RoutedEventArgs e)
{
var selectedItem = SearchListBox.SelectedItem;
if (selectedItem != null)
{
_userViewModel.AddFavoriteMovie();
LoadMovies();
}
else
{
Window popup = new Window();
popup.Title = "Warning!";
popup.Width = 300;
popup.Height = 150;
popup.Content = "\n\n\n \t Select a movie!";
popup.ShowDialog();
}
}