コード例 #1
0
        static void Main(string[] args)
        {
            //////11111111
            Student   Andrey = new Student();
            Random    rand   = new Random();
            ArrayList First  = new ArrayList();

            First.Add(rand.Next(100));
            First.Add(rand.Next(100));
            First.Add(rand.Next(100));
            First.Add(rand.Next(100));
            First.Add(rand.Next(100));
            First.Add(Andrey);
            First.Remove(Andrey);

            foreach (int ch in First)
            {
                Console.WriteLine(ch);
            }
            Console.WriteLine("Количество элементов в коллекции " + First.Count);
            if (First.Contains(84))
            {
                Console.WriteLine("Колекция содержит элемент : 84");
            }
            else
            {
                Console.WriteLine("Колекция не содержит элемент : 84");
            }

            ///////2222222

            SortedList <string, long> Second = new SortedList <string, long>();

            Second.Add("1 first", 1);
            Second.Add("2 second", 2);
            Second.Add("3 third", 3);
            Second.Add("4 fourth", 4);
            Second.Add("5 five", 5);
            Second.Add("6 six", 6);

            foreach (KeyValuePair <string, long> ch in Second)
            {
                Console.WriteLine($"Key : {ch.Key}, Value : {ch.Value}");
            }
            for (int i = 0; i < 3; i++)
            {
                Second.RemoveAt(i);
            }
            Console.WriteLine("После удаления элементов");
            foreach (KeyValuePair <string, long> ch in Second)
            {
                Console.WriteLine($"Key : {ch.Key}, Value : {ch.Value}");
            }

            IList <long> list = Second.Values;
            Stack <long> stak = new Stack <long>();

            for (int i = 0; i < list.Count; i++)
            {
                stak.Push(list[i]);
            }
            foreach (long ch in stak)
            {
                Console.WriteLine(ch);
            }
            if (stak.Contains(6))
            {
                Console.WriteLine(stak.Peek());
            }


            ///////3333333

            SortedList <int, Film> film = new SortedList <int, Film>();
            Film Titanik   = new Film(25);
            Film SpanchBob = new Film(16);

            film.Add(1, Titanik);
            film.Add(2, SpanchBob);
            foreach (KeyValuePair <int, Film> ch in film)
            {
                Console.WriteLine(ch.Value);
            }

            IList <Film> spis = film.Values;
            Stack <Film> st   = new Stack <Film>();

            for (int i = 0; i < spis.Count; i++)
            {
                st.Push(spis[i]);
            }
            foreach (Film ch in st)
            {
                Console.WriteLine(ch);
            }
            if (st.Contains(Titanik))
            {
                Console.WriteLine(st.Peek());
            }


            //////444444
            ///



            void ColectionChange(object sender, NotifyCollectionChangedEventArgs e)
            {
                switch (e.Action)
                {
                case NotifyCollectionChangedAction.Add:
                    Student newStud = e.NewItems[0] as Student;
                    Console.WriteLine($"Добавлен новый объект: {newStud.Name}");
                    break;

                case NotifyCollectionChangedAction.Remove:
                    Student OldStud = e.OldItems[0] as Student;
                    Console.WriteLine($"Удален объект: {OldStud.Name}");
                    break;
                }
            }

            ObservableCollection <Student> Stud = new ObservableCollection <Student>();

            Stud.CollectionChanged += ColectionChange;
            Stud.Add(new Student {
                Name = "Andrey"
            });
            Stud.Add(new Student {
                Name = "Igor"
            });
            Stud.Add(new Student {
                Name = "Kesha"
            });
            Stud.Add(new Student {
                Name = "Tanyusha"
            });
            foreach (Student stud in Stud)
            {
                Console.WriteLine(stud.Name);
            }
        }