export

PIbd-23_Ivanov_V.N._DoubleDeckerBus._Base/PIbd-23_Ivanov_V.N._DoubleDeckerBus._Base/FormBusCollection.Designer.cs

@@ -28,32 +28,98 @@
         /// </summary>
         private void InitializeComponent()
         {
-            toolsLabel = new Panel();
+            toolsPanel = new Panel();
+            panelSets = new Panel();
+            textBoxStorageName = new TextBox();
+            listBoxObjects = new ListBox();
+            ButtonAddObject = new Button();
+            ButtonDelObject = new Button();
+            SetsLabel = new Label();
             ButtonRefreshCollection = new Button();
             ButtonDeleteBus = new Button();
             maskedTextBoxNumber = new TextBox();
-            addBus = new Button();
+            ButtonAddBus = new Button();
-            label1 = new Label();
+            LabelTools = new Label();
             pictureBoxCollection = new PictureBox();
-            toolsLabel.SuspendLayout();
+            toolsPanel.SuspendLayout();
+            panelSets.SuspendLayout();
             ((System.ComponentModel.ISupportInitialize)pictureBoxCollection).BeginInit();
             SuspendLayout();
             // 
-            // toolsLabel
+            // toolsPanel
             // 
-            toolsLabel.Controls.Add(ButtonRefreshCollection);
+            toolsPanel.Controls.Add(panelSets);
-            toolsLabel.Controls.Add(ButtonDeleteBus);
+            toolsPanel.Controls.Add(ButtonRefreshCollection);
-            toolsLabel.Controls.Add(maskedTextBoxNumber);
+            toolsPanel.Controls.Add(ButtonDeleteBus);
-            toolsLabel.Controls.Add(addBus);
+            toolsPanel.Controls.Add(maskedTextBoxNumber);
-            toolsLabel.Controls.Add(label1);
+            toolsPanel.Controls.Add(ButtonAddBus);
-            toolsLabel.Location = new Point(678, -2);
+            toolsPanel.Controls.Add(LabelTools);
-            toolsLabel.Name = "toolsLabel";
+            toolsPanel.Location = new Point(662, -2);
-            toolsLabel.Size = new Size(221, 451);
+            toolsPanel.Name = "toolsPanel";
-            toolsLabel.TabIndex = 0;
+            toolsPanel.Size = new Size(221, 504);
+            toolsPanel.TabIndex = 0;
+            // 
+            // panelSets
+            // 
+            panelSets.Controls.Add(textBoxStorageName);
+            panelSets.Controls.Add(listBoxObjects);
+            panelSets.Controls.Add(ButtonAddObject);
+            panelSets.Controls.Add(ButtonDelObject);
+            panelSets.Controls.Add(SetsLabel);
+            panelSets.Location = new Point(8, 20);
+            panelSets.Name = "panelSets";
+            panelSets.Size = new Size(210, 208);
+            panelSets.TabIndex = 6;
+            // 
+            // textBoxStorageName
+            // 
+            textBoxStorageName.Location = new Point(10, 27);
+            textBoxStorageName.Name = "textBoxStorageName";
+            textBoxStorageName.Size = new Size(190, 27);
+            textBoxStorageName.TabIndex = 12;
+            // 
+            // listBoxObjects
+            // 
+            listBoxObjects.FormattingEnabled = true;
+            listBoxObjects.ItemHeight = 20;
+            listBoxObjects.Location = new Point(10, 99);
+            listBoxObjects.Name = "listBoxObjects";
+            listBoxObjects.Size = new Size(190, 64);
+            listBoxObjects.TabIndex = 11;
+            listBoxObjects.SelectedIndexChanged += listBoxObjects_SelectedIndexChanged;
+            // 
+            // ButtonAddObject
+            // 
+            ButtonAddObject.Location = new Point(10, 60);
+            ButtonAddObject.Name = "ButtonAddObject";
+            ButtonAddObject.Size = new Size(191, 33);
+            ButtonAddObject.TabIndex = 8;
+            ButtonAddObject.Text = "Добавить набор";
+            ButtonAddObject.UseVisualStyleBackColor = true;
+            ButtonAddObject.Click += ButtonAddObject_Click;
+            // 
+            // ButtonDelObject
+            // 
+            ButtonDelObject.Location = new Point(10, 169);
+            ButtonDelObject.Name = "ButtonDelObject";
+            ButtonDelObject.Size = new Size(192, 33);
+            ButtonDelObject.TabIndex = 7;
+            ButtonDelObject.Text = "Удалить набор\r\n";
+            ButtonDelObject.UseVisualStyleBackColor = true;
+            ButtonDelObject.Click += ButtonDelObject_Click;
+            // 
+            // SetsLabel
+            // 
+            SetsLabel.AutoSize = true;
+            SetsLabel.Location = new Point(3, 4);
+            SetsLabel.Name = "SetsLabel";
+            SetsLabel.Size = new Size(66, 20);
+            SetsLabel.TabIndex = 0;
+            SetsLabel.Text = "Наборы";
             // 
             // ButtonRefreshCollection
             // 
-            ButtonRefreshCollection.Location = new Point(10, 194);
+            ButtonRefreshCollection.Location = new Point(8, 452);
             ButtonRefreshCollection.Name = "ButtonRefreshCollection";
             ButtonRefreshCollection.Size = new Size(197, 41);
             ButtonRefreshCollection.TabIndex = 4;
@@ -63,7 +129,7 @@
             // 
             // ButtonDeleteBus
             // 
-            ButtonDeleteBus.Location = new Point(10, 121);
+            ButtonDeleteBus.Location = new Point(8, 379);
             ButtonDeleteBus.Name = "ButtonDeleteBus";
             ButtonDeleteBus.Size = new Size(197, 41);
             ButtonDeleteBus.TabIndex = 3;
@@ -73,35 +139,35 @@
             // 
             // maskedTextBoxNumber
             // 
-            maskedTextBoxNumber.Location = new Point(50, 88);
+            maskedTextBoxNumber.Location = new Point(48, 346);
             maskedTextBoxNumber.Name = "maskedTextBoxNumber";
             maskedTextBoxNumber.Size = new Size(125, 27);
             maskedTextBoxNumber.TabIndex = 2;
             // 
-            // addBus
+            // ButtonAddBus
             // 
-            addBus.Location = new Point(10, 26);
+            ButtonAddBus.Location = new Point(8, 284);
-            addBus.Name = "addBus";
+            ButtonAddBus.Name = "ButtonAddBus";
-            addBus.Size = new Size(197, 41);
+            ButtonAddBus.Size = new Size(197, 41);
-            addBus.TabIndex = 1;
+            ButtonAddBus.TabIndex = 1;
-            addBus.Text = "Добавить автобус";
+            ButtonAddBus.Text = "Добавить автобус";
-            addBus.UseVisualStyleBackColor = true;
+            ButtonAddBus.UseVisualStyleBackColor = true;
-            addBus.Click += ButtonAddBus_Click;
+            ButtonAddBus.Click += ButtonAddBus_Click;
             // 
-            // label1
+            // LabelTools
             // 
-            label1.AutoSize = true;
+            LabelTools.AutoSize = true;
-            label1.Location = new Point(5, 0);
+            LabelTools.Location = new Point(5, 0);
-            label1.Name = "label1";
+            LabelTools.Name = "LabelTools";
-            label1.Size = new Size(103, 20);
+            LabelTools.Size = new Size(103, 20);
-            label1.TabIndex = 0;
+            LabelTools.TabIndex = 0;
-            label1.Text = "Инструменты";
+            LabelTools.Text = "Инструменты";
             // 
             // pictureBoxCollection
             // 
             pictureBoxCollection.Location = new Point(1, -2);
             pictureBoxCollection.Name = "pictureBoxCollection";
-            pictureBoxCollection.Size = new Size(676, 451);
+            pictureBoxCollection.Size = new Size(663, 504);
             pictureBoxCollection.TabIndex = 1;
             pictureBoxCollection.TabStop = false;
             // 
@@ -109,25 +175,33 @@
             // 
             AutoScaleDimensions = new SizeF(8F, 20F);
             AutoScaleMode = AutoScaleMode.Font;
-            ClientSize = new Size(900, 450);
+            ClientSize = new Size(882, 510);
             Controls.Add(pictureBoxCollection);
-            Controls.Add(toolsLabel);
+            Controls.Add(toolsPanel);
             Name = "FormBusCollection";
             Text = "Набор автобусов";
-            toolsLabel.ResumeLayout(false);
+            toolsPanel.ResumeLayout(false);
-            toolsLabel.PerformLayout();
+            toolsPanel.PerformLayout();
+            panelSets.ResumeLayout(false);
+            panelSets.PerformLayout();
             ((System.ComponentModel.ISupportInitialize)pictureBoxCollection).EndInit();
             ResumeLayout(false);
         }
 
         #endregion
 
-        private Panel toolsLabel;
+        private Panel toolsPanel;
-        private Label label1;
+        private Label LabelTools;
         private Button ButtonDeleteBus;
-        private Button addBus;
+        private Button ButtonAddBus;
         private Button ButtonRefreshCollection;
         private PictureBox pictureBoxCollection;
         public TextBox maskedTextBoxNumber;
+        private Panel panelSets;
+        private Label SetsLabel;
+        private Button ButtonDelObject;
+        private Button ButtonAddObject;
+        private ListBox listBoxObjects;
+        private TextBox textBoxStorageName;
     }
 }

PIbd-23_Ivanov_V.N._DoubleDeckerBus._Base/PIbd-23_Ivanov_V.N._DoubleDeckerBus._Base/FormBusCollection.cs

@@ -21,7 +21,7 @@ namespace PIbd_23_Ivanov_V.N._DoubleDeckerBus._Base
         /// <summary>
         /// Набор объектов
         /// </summary>
-        private readonly TheBusesGenericCollection<DrawningBus, DrawningObjectBus> _theBuses;
+        private readonly TheBusesGenericStorage _storage;
 
         /// <summary>
         /// Конструктор
@@ -29,8 +29,77 @@ namespace PIbd_23_Ivanov_V.N._DoubleDeckerBus._Base
         public FormBusCollection()
         {
             InitializeComponent();
-            _theBuses = new TheBusesGenericCollection<DrawningBus, DrawningObjectBus>
+            _storage = new TheBusesGenericStorage(pictureBoxCollection.Width, pictureBoxCollection.Height);
-            (pictureBoxCollection.Width, pictureBoxCollection.Height);
+        }
+
+        /// <summary>
+        /// Заполнение listBoxObjects
+        /// </summary>
+        private void ReloadObjects()
+        {
+            int index = listBoxObjects.SelectedIndex;
+
+            listBoxObjects.Items.Clear();
+            for (int i = 0; i < _storage.Keys.Count; i++)
+            {
+                listBoxObjects.Items.Add(_storage.Keys[i]);
+            }
+
+            if (listBoxObjects.Items.Count > 0 && (index == -1 || index >= listBoxObjects.Items.Count))
+            {
+                listBoxObjects.SelectedIndex = 0;
+            }
+
+            else if (listBoxObjects.Items.Count > 0 && index > -1 && index < listBoxObjects.Items.Count)
+            {
+                listBoxObjects.SelectedIndex = index;
+            }
+        }
+
+        /// <summary>
+        /// Добавление набора в коллекцию
+        /// </summary>
+        /// <param name="sender"></param>
+        /// <param name="e"></param>
+        private void ButtonAddObject_Click(object sender, EventArgs e)
+        {
+            if (string.IsNullOrEmpty(textBoxStorageName.Text))
+            {
+                MessageBox.Show("Не все данные заполнены", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                return;
+            }
+            _storage.AddSet(textBoxStorageName.Text);
+            ReloadObjects();
+        }
+
+        /// <summary>
+        /// Выбор набора
+        /// </summary>
+        /// <param name="sender"></param>
+        /// <param name="e"></param>
+        private void listBoxObjects_SelectedIndexChanged(object sender, EventArgs e)
+        {
+            pictureBoxCollection.Image = _storage[listBoxObjects.SelectedItem?.ToString() ?? string.Empty]?.ShowTheBuses();
+        }
+
+        /// <summary>
+        /// Удаление набора
+        /// </summary>
+        /// <param name="sender"></param>
+        /// <param name="e"></param>
+        private void ButtonDelObject_Click(object sender, EventArgs e)
+        {
+            if (listBoxObjects.SelectedIndex == -1)
+            {
+                return;
+            }
+            if (MessageBox.Show($"Удалить объект{listBoxObjects.SelectedItem}?", "Удаление", MessageBoxButtons.YesNo,
+                MessageBoxIcon.Question) == DialogResult.Yes)
+            {
+                _storage.DelSet(listBoxObjects.SelectedItem.ToString()
+                ?? string.Empty);
+                ReloadObjects();
+            }
         }
 
         /// <summary>
@@ -40,19 +109,29 @@ namespace PIbd_23_Ivanov_V.N._DoubleDeckerBus._Base
         /// <param name="e"></param>
         private void ButtonAddBus_Click(object sender, EventArgs e)
         {
+            if (listBoxObjects.SelectedIndex == -1)
+            {
+                return;
+            }
+            var obj = _storage[listBoxObjects.SelectedItem.ToString() ?? string.Empty];
+            if (obj == null)
+            {
+                return;
+            }
             FormDoubleDeckerBus form = new();
             if (form.ShowDialog() == DialogResult.OK)
             {
-                if (_theBuses + form.SelectedBus != -1)
+                if (obj + form.SelectedBus)
                 {
                     MessageBox.Show("Объект добавлен");
-                    pictureBoxCollection.Image = _theBuses.ShowTheBuses();
+                    pictureBoxCollection.Image = obj.ShowTheBuses();
                 }
                 else
                 {
                     MessageBox.Show("Не удалось добавить объект");
                 }
             }
+
         }
 
         /// <summary>
@@ -62,17 +141,26 @@ namespace PIbd_23_Ivanov_V.N._DoubleDeckerBus._Base
         /// <param name="e"></param>
         private void ButtonDeleteBus_Click(object sender, EventArgs e)
         {
-            if (MessageBox.Show("Удалить объект?", "Удаление", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.No)
+            if (listBoxObjects.SelectedIndex == -1)
+            {
+                return;
+            }
+            var obj = _storage[listBoxObjects.SelectedItem.ToString() ??
+            string.Empty];
+            if (obj == null)
+            {
+                return;
+            }
+            if (MessageBox.Show("Удалить объект?", "Удаление",
+            MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.No)
             {
                 return;
             }
-
             int pos = Convert.ToInt32(maskedTextBoxNumber.Text);
-
+            if (obj - pos != null)
-            if (_theBuses - pos != true)
             {
                 MessageBox.Show("Объект удален");
-                pictureBoxCollection.Image = _theBuses.ShowTheBuses();
+                pictureBoxCollection.Image = obj.ShowTheBuses();
             }
             else
             {
@@ -87,7 +175,17 @@ namespace PIbd_23_Ivanov_V.N._DoubleDeckerBus._Base
         /// <param name="e"></param>
         private void ButtonRefreshCollection_Click(object sender, EventArgs e)
         {
-            pictureBoxCollection.Image = _theBuses.ShowTheBuses();
+            if (listBoxObjects.SelectedIndex == -1)
+            {
+                return;
+            }
+            var obj = _storage[listBoxObjects.SelectedItem.ToString() ??
+            string.Empty];
+            if (obj == null)
+            {
+                return;
+            }
+            pictureBoxCollection.Image = obj.ShowTheBuses();
         }
     }
 }

PIbd-23_Ivanov_V.N._DoubleDeckerBus._Base/PIbd-23_Ivanov_V.N._DoubleDeckerBus._Base/Generics/SetGeneric.cs

@@ -14,14 +14,19 @@ namespace PIbd_23_Ivanov_V.N._DoubleDeckerBus._Base.Generics
         where T : class
     {
         /// <summary>
-        /// Массив объектов, которые храним
+        /// Список объектов, которые храним
         /// </summary>
-        private readonly T?[] _places;
+        private readonly List<T?> _places;
 
         /// <summary>
-        /// Количество объектов в массиве
+        /// Количество объектов в cписке
         /// </summary>
-        public int Count => _places.Length;
+        public int Count => _places.Count;
+
+        /// <summary>
+        /// Максимальное количество объектов в cписке
+        /// </summary>
+        private readonly int _maxCount;
 
         /// <summary>
         /// Конструктор
@@ -29,7 +34,8 @@ namespace PIbd_23_Ivanov_V.N._DoubleDeckerBus._Base.Generics
         /// <param name="count"></param>
         public SetGeneric(int count)
         {
-            _places = new T?[count];
+            _maxCount = count;
+            _places = new List<T?>(count);
         }
 
         /// <summary>
@@ -37,9 +43,15 @@ namespace PIbd_23_Ivanov_V.N._DoubleDeckerBus._Base.Generics
         /// </summary>
         /// <param name="bus">Добавляемый автобус</param>
         /// <returns></returns>
-        public int Insert(T bus)
+        public bool Insert(T bus)
         {
-            return Insert(bus, 0);
+            if (_places.Count == _maxCount)
+            {
+                return false;
+            }
+
+            Insert(bus, 0);
+            return true;
         }
 
         /// <summary>
@@ -48,36 +60,15 @@ namespace PIbd_23_Ivanov_V.N._DoubleDeckerBus._Base.Generics
         /// <param name="bus">Добавляемый автобус</param>
         /// <param name="position">Позиция</param>
         /// <returns></returns>
-        public int Insert(T bus, int position)
+        public bool Insert(T bus, int position)
         {
-            int nullIndex = -1, i;
+            if (!(position >= 0 && position <= Count && _places.Count < _maxCount))
-
-            if (position < 0 || position >= Count)
             {
-                return -1;
+                return false;
             }
 
-            for (i = position; i < Count; i++)
+            _places.Insert(position, bus);
-            {
+            return true;
-                if (_places[i] == null)
-                {
-                    nullIndex = i;
-                    break;
-                }
-            }
-
-            if (nullIndex < 0)
-            {
-                return -1;
-            }
-
-            for (i = nullIndex; i > position; i--)
-            {
-                _places[i] = _places[i - 1];
-            }
-
-            _places[position] = bus;
-            return position;
         }
 
         /// <summary>
@@ -92,7 +83,7 @@ namespace PIbd_23_Ivanov_V.N._DoubleDeckerBus._Base.Generics
                 return false;
             }
 
-            _places[position] = null;
+            _places.RemoveAt(position);
             return true;
         }
 
@@ -101,14 +92,43 @@ namespace PIbd_23_Ivanov_V.N._DoubleDeckerBus._Base.Generics
         /// </summary>
         /// <param name="position"></param>
         /// <returns></returns>
-        public T? Get(int position)
+        public T? this[int position]
         {
-            if (position < 0 || position >= Count)
+            get
+            {
+                if (position < 0 || position >= _maxCount)
                 {
                     return null;
                 }
 
                 return _places[position];
             }
+            set
+            {
+                if (!(position >= 0 && position < Count && _places.Count < _maxCount))
+                {
+                    return;
+                }
+
+                _places.Insert(position, value);
+                return;
+            }
+        }
+
+        /// <summary>
+        /// Проход по списку
+        /// </summary>
+        /// <returns></returns>
+        public IEnumerable<T?> GetTheBuses(int? maxTheBuses = null)
+        {
+            for (int i = 0; i < _places.Count; ++i)
+            {
+                yield return _places[i];
+                if (maxTheBuses.HasValue && i == maxTheBuses.Value)
+                {
+                    yield break;
+                }
+            }
+        }
     }
 }

PIbd-23_Ivanov_V.N._DoubleDeckerBus._Base/PIbd-23_Ivanov_V.N._DoubleDeckerBus._Base/Generics/TheBusesGenericCollection.cs

@@ -63,13 +63,14 @@ namespace PIbd_23_Ivanov_V.N._DoubleDeckerBus._Base.Generics
         /// <param name="collect"></param>
         /// <param name="obj"></param>
         /// <returns></returns>
-        public static int operator +(TheBusesGenericCollection<T, U> collect, T? obj)
+        public static bool operator +(TheBusesGenericCollection<T, U> collect, T? obj)
         {
             if (obj == null)
             {
-                return -1;
+                return false;
             }
-            return collect._collection.Insert(obj);
+
+            return collect?._collection.Insert(obj) ?? false;
         }
 
         /// <summary>
@@ -78,14 +79,15 @@ namespace PIbd_23_Ivanov_V.N._DoubleDeckerBus._Base.Generics
         /// <param name="collect"></param>
         /// <param name="pos"></param>
         /// <returns></returns>
-        public static bool operator -(TheBusesGenericCollection<T, U> collect, int pos)
+        public static T? operator -(TheBusesGenericCollection<T, U> collect, int pos)
         {
-            T? obj = collect._collection.Get(pos);
+            T? obj = collect._collection[pos];
             if (obj != null)
             {
                 collect._collection.Remove(pos);
             }
-            return false;
+
+            return obj;
         }
 
         /// <summary>
@@ -95,7 +97,7 @@ namespace PIbd_23_Ivanov_V.N._DoubleDeckerBus._Base.Generics
         /// <returns></returns>
         public U? GetU(int pos)
         {
-            return (U?)_collection.Get(pos)?.GetMoveableObject;
+            return (U?)_collection[pos]?.GetMoveableObject;
         }
 
         /// <summary>
@@ -136,16 +138,16 @@ namespace PIbd_23_Ivanov_V.N._DoubleDeckerBus._Base.Generics
         /// <param name="g"></param>
         private void DrawObjects(Graphics g)
         {
-            for (int i = 0; i < _collection.Count; i++)
+            int i = 0;
+            foreach (var bus in _collection.GetTheBuses())
             {
-                DrawningBus bus = _collection.Get(i);
-
                 if (bus != null)
                 {
                     int inRow = _pictureWidth / _placeSizeWidth;
                     bus.SetPosition((inRow - 1 - (i % inRow)) * _placeSizeWidth, i / inRow * _placeSizeHeight);
                     bus.DrawTransport(g);
                 }
+                i++;
             }
         }
     }

PIbd-23_Ivanov_V.N._DoubleDeckerBus._Base/PIbd-23_Ivanov_V.N._DoubleDeckerBus._Base/Generics/TheBusesGenericStorage.cs

@@ -0,0 +1,90 @@
+using PIbd_23_Ivanov_V.N._DoubleDeckerBus._Base.DrawningObjects;
+using PIbd_23_Ivanov_V.N._DoubleDeckerBus._Base.MovementStrategy;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace PIbd_23_Ivanov_V.N._DoubleDeckerBus._Base.Generics
+{
+    /// <summary>
+    /// Класс для хранения коллекции
+    /// </summary>
+    internal class TheBusesGenericStorage
+    {
+        /// <summary>
+        /// Словарь (хранилище)
+        /// </summary>
+        readonly Dictionary<string, TheBusesGenericCollection<DrawningBus,
+        DrawningObjectBus>> _busStorages;
+
+        /// <summary>
+        /// Возвращение списка названий наборов
+        /// </summary>
+        public List<string> Keys => _busStorages.Keys.ToList();
+
+        /// <summary>
+        /// Ширина окна отрисовки
+        /// </summary>
+        private readonly int _pictureWidth;
+
+        /// <summary>
+        /// Высота окна отрисовки
+        /// </summary>
+        private readonly int _pictureHeight;
+
+        /// <summary>
+        /// Конструктор
+        /// </summary>
+        /// <param name="pictureWidth"></param>
+        /// <param name="pictureHeight"></param>
+        public TheBusesGenericStorage(int pictureWidth, int pictureHeight)
+        {
+            _busStorages = new Dictionary<string, TheBusesGenericCollection<DrawningBus, DrawningObjectBus>>();
+            _pictureWidth = pictureWidth;
+            _pictureHeight = pictureHeight;
+        }
+
+        /// <summary>
+        /// Добавление набора
+        /// </summary>
+        /// <param name="name">Название набора</param>
+        public void AddSet(string name)
+        {
+            _busStorages.Add(name, new TheBusesGenericCollection<DrawningBus, DrawningObjectBus>(_pictureWidth, _pictureHeight));
+        }
+
+        /// <summary>
+        /// Удаление набора
+        /// </summary>
+        /// <param name="name">Название набора</param>
+        public void DelSet(string name)
+        {
+            if (!_busStorages.ContainsKey(name))
+            {
+                return;
+            }
+
+            _busStorages.Remove(name);
+        }
+
+        /// <summary>
+        /// Доступ к набору
+        /// </summary>
+        /// <param name="ind"></param>
+        /// <returns></returns>
+        public TheBusesGenericCollection<DrawningBus, DrawningObjectBus>? this[string ind]
+        {
+            get
+            {
+                if (_busStorages.ContainsKey(ind))
+                {
+                    return _busStorages[ind];
+                }
+
+                return null;
+            }
+        }
+    }
+}