// Adds movie to database, if there isn't already on for that year
public bool AddMovie(Movie movie)
{
if (!movieExists(movie.Year))
{
// There isn't already a movie for this year, so add it
movies.Add(movie.Year, movie);
return true;
}
// A movie from that year already exists
return false;
}
// Clears the listbox then displays all movies in the passed in dictionary
private void displayMovie(Movie movieToDisplay)
{
rtMoviesList.AppendText(movieToDisplay.ToString() + "\n");
}