private void btn_run_Click(object sender, RoutedEventArgs e)
{
Lecturer john = new Lecturer();
Student s1 = new Student("Craig");
Student s2 = new Student("Mark");
john.registerObservers(s1);
john.registerObservers(s2);
john.setNews("Free beer on Wednesday at 4:00");
john.notiffyObservers();
john.removeObservers(s2);
john.setNews("Beer cancelled");
john.notiffyObservers();
}
public void removeObservers(Student s)
{
this.myStudents.Remove(s);
}
// Methods
public void registerObservers(Student s)
{
this.myStudents.Add(s);
}