public static void SaveLessonTime(LessonTime given_lesson_time)
{
if (!MyData.my_lessontimes_list.Exists(x => x.lesson_number == given_lesson_time.lesson_number))
{
MyData.my_lessontimes_list.Add(given_lesson_time);
}
else
{
throw new ArgumentException("lessontime already exists", "lesson_time.lesson_number");
}
}
public static void DeleteLesson(DayOfWeek given_day, LessonTime given_lesson_time)
{
MyData.my_lessons_list.Remove(MyData.my_lessons_list.Find(x => x.day == given_day && x.lesson_time == given_lesson_time));
}
public static Lesson GetLesson(DayOfWeek day, LessonTime lesson_time)
{
return(MyData.my_lessons_list.Find(x => x.day == day && x.lesson_time == lesson_time));
}
public static void DeleteLessonTime(LessonTime time)
{
MyData.my_lessontimes_list.Remove(time);
}