public void AddCourse() { if (SelectedCourse != null && !CoursePresentInList(SelectedCourse)) { CoursesTaught.Add(SelectedCourse); } else { // handle error } }
public void RemoveCourse() { CoursesTaught.Remove(SelectedTaughtCourse); }
private bool CoursePresentInList(Course course) { return(CoursesTaught.Contains(course)); }