public void RemoveMovie(Movie movie) { if (movie != null) { if (!(MoviesInSchedule is null)) { MoviesInSchedule.Remove(movie); } } }
public bool AddMovie(Movie movie) { if (movie != null) { bool result = false; if (FreeTime >= movie.RunningTimeInMinutes) { MoviesInSchedule.Add(movie); result = true; } return(result); } throw new ArgumentNullException(); }