public int CompareTo(object o)
{
if (o == null)
{
return(1);
}
MusicalFilm f = o as MusicalFilm;
if (f != null)
{
return(this.Name.CompareTo(f.Name));
}
else
{
Film fm = o as Film;
if (fm != null)
{
return(this.Name.CompareTo(fm.Name));
}
else
{
throw new ArgumentException("Object is not a Film!");
}
}
}
public MusicalFilm(MusicalFilm o) : base(o)
{
this.Composer = o.Composer;
}