public class Pipe {
        //{ TopWidth = value; Propities[0] = value; }
        private bool exist = false;

        private int _TopWidth;
        private int _TopLength;
        private int _BottomWidth;
        private int _BottomLength;

        public int TopWidth { get { return _TopWidth; } set { _TopWidth = value; PropitiesInit(); Propities[0] = value; } }
        public int TopLength { get { return _TopLength; } set { _TopLength = value; PropitiesInit(); Propities[1] = value; } }
        public int BottomWidth { get { return _BottomWidth; } set { _BottomWidth = value; PropitiesInit(); Propities[2] = value; } }
        public int BottomLength { get { return _BottomLength; } set { _BottomLength = value; PropitiesInit(); Propities[3] = value; } }
        private List<int> Propities;// /{ get; set;}
        // сильно зависим от параметров окна //
        private void PropitiesInit() {
            if (!exist)
                Propities = new List<int>();
            for (var i = 0; i < 4; i++)
                Propities.Add(0);
            exist = true;
        }
        public Pipe (int windowHeight , int windowWidth, int distanceBetweenPipes) // To do make normal params to generate pipe
        {
            PropitiesInit();
            Random random = new Random();
            TopWidth = windowWidth;
            TopLength = random.Next(40, (windowHeight - distanceBetweenPipes)); // refact 40 to pipe length min
            BottomWidth = windowWidth;
            BottomLength = TopLength + distanceBetweenPipes;
            Propities[0] = TopWidth;
            Propities[1] = TopLength;
            Propities[2] = BottomWidth;
            Propities[3] = BottomLength;
        }
        public bool Any()
        {
            return Propities.Any();
        }
        public int this[int i]
        {
            get{return Propities[i];}
            set
            {
                Propities[i] = value;
                switch (i)
                {
                    case 0 :
                        _TopWidth = value;
                        break;
                    case 1 :
                        _TopLength = value;
                        break;
                    case 2 :
                        _BottomWidth = value;
                        break;
                    case 3 :
                        _BottomLength = value;
                        break;

                }
            }
        }

    }