public ISimpleOrderedBag <IStudent> GetAllStudentsSorted(IComparer <IStudent> comparer)
{
var students = new SimpleSortedList <IStudent>((x, y) => comparer.Compare(x, y));
students.AddRange(this.Students.Values as ICollection <IStudent>);
return(students);
}
public ISimpleOrderedBag <ICourse> GetAllCoursesSorted(IComparer <ICourse> comparer)
{
var courses = new SimpleSortedList <ICourse>((x, y) => comparer.Compare(x, y));
courses.AddRange(this.Courses.Values as ICollection <ICourse>);
return(courses);
}