result

ProjectCruiser/CollectionGenericObj/AbstractCompany.cs

@@ -17,8 +17,8 @@ public abstract class AbstractCompany
 
     // Коллекция автомобилей
     protected ICollectionGenObj<DrawningBase>? _collection = null;
-    private int GetMaxCount => _pictureWidth * _pictureHeight /
-    (_placeSizeWidth * _placeSizeHeight);
+    private int GetMaxCount => (_pictureWidth / (_placeSizeWidth + 20))
+        * ( _pictureHeight / (_placeSizeHeight + 4));
 
     public AbstractCompany(int picWidth, int picHeight,
         ICollectionGenObj<DrawningBase>? collection)
@@ -26,17 +26,21 @@ public abstract class AbstractCompany
         _pictureWidth = picWidth;
         _pictureHeight = picHeight;
         _collection = collection;
-        _collection.SetMaxCount = GetMaxCount;
+        _collection.MaxCount = GetMaxCount;
     }
 
     // Перегрузка оператора сложения для класса
-    // [ ! ] insted of bool:
     public static int operator +(AbstractCompany company,
-        DrawningBase trasport) => company._collection.Insert(trasport);
+        DrawningBase transport) => company._collection.Insert(transport, new DrawiningShipEqutables());
 
     // Перегрузка оператора удаления для класса
     public static DrawningBase operator -(AbstractCompany company,
-            int pos) => company._collection.Remove(pos);
+            int pos) => company._collection?.Remove(pos);
+
+    // Сортировка ----------------------------------------------------------- [!]
+    public void Sort(IComparer<DrawningBase?> comparer) =>
+        _collection?.CollectionSort(comparer);
+
 
     // Получение случайного объекта из коллекции
     public DrawningBase? GetRandomObject()
@@ -51,20 +55,30 @@ public abstract class AbstractCompany
         Bitmap bitmap = new(_pictureWidth, _pictureHeight);
         Graphics graphics = Graphics.FromImage(bitmap);
         DrawBackground(graphics);
-        SetObjectsPosition();
-        for (int i = 0; i < (_collection?.Count ?? 0); ++i)
+
+        SetObjectsPosition(_collection.Count - 1);
+
+        for (int i = 0; i < (_collection?.Count ?? 0); i++)
         {
-            DrawningBase? obj = _collection?.GetItem(i);
-            obj?.DrawTransport(graphics);
+            // try
+            // {
+
+                DrawningBase? obj = _collection?.GetItem(i);
+                obj?.DrawTransport(graphics);
+
+            // } catch (Exception ex)
+            // { 
+            //     Console.WriteLine(ex.Message);
+            // }
         }
+
         return bitmap;
     }
 
-
     // Вывод заднего фона
     protected abstract void DrawBackground(Graphics g);
 
     // Расстановка объектов
-    protected abstract void SetObjectsPosition();
+    protected abstract void SetObjectsPosition(int border);
 }
 

ProjectCruiser/CollectionGenericObj/ArrayGenObj.cs

@@ -1,24 +1,34 @@
-namespace ProjectCruiser.CollectionGenericObj;
+using ProjectCruiser.DrawningSamples;
+using ProjectCruiser.Exceptions;
+
+namespace ProjectCruiser.CollectionGenericObj;
 
 public class ArrayGenObj<T> : ICollectionGenObj<T>
     where T : class
 {
     // Массив объектов, которые храним
     private T?[] _collection;
-    public int Count => _collection.Length;
-    public int SetMaxCount
+
+    // Максимально допустимое число объектов в массиве
+    private int _maxCount;
+    public int Count => _collection.Count(s => (s != null));
+
+    public int MaxCount
     {
+        get { return _maxCount; }
         set
         {
             if (value > 0)
             {
-                if (_collection.Length > 0) Array.Resize(ref _collection, value);
-                else _collection = new T?[value];
+                _maxCount = value;
+
+                if (_collection.Length == 0) _collection = new T?[value];
+                else Array.Resize(ref _collection, value);
             }
         }
     }
 
-    // public int SetMaxCount { set { if (value > 0) { _collection = new T?[value]; } } }
+    public CollectionType GetCollectionType => CollectionType.Array;
 
     public ArrayGenObj()
     {
@@ -26,20 +36,36 @@ public class ArrayGenObj<T> : ICollectionGenObj<T>
     }
 
     // methods :
-
     public T? GetItem(int index)
     {
-        if (index > Count || index < 0)
-        {
-            return null;
-        }
+        if (index > _maxCount)
+            throw new CollectionOverflowException(index);
+        if (index < 0)
+            throw new PositionOutOfCollectionException(index);
+
+        if (_collection[index] == null)
+            throw new ObjectNotFoundException(index);
+
         return _collection[index];
     }
 
-    public int Insert(T? item)
+    public int Insert(T? item, IEqualityComparer<DrawningBase?>? cmpr = null)
     {
-        // any empty place
-        for (int i = 0; i < Count; i++)
+        if (item == null) throw
+                new NullReferenceException("> Inserting item is null");
+        else
+        {
+            if (cmpr != null && item == cmpr)
+            {
+                throw new Exception();
+            }
+        }
+
+        // выход за границы, курируется CollectionOverflowException
+        if (Count >= _maxCount) throw new CollectionOverflowException(Count);
+
+        // any empty place -> fill immediately
+        for (int i = Count; i < _maxCount; i++)
         {
             if (_collection[i] == null)
             {
@@ -47,48 +73,75 @@ public class ArrayGenObj<T> : ICollectionGenObj<T>
                 return i;
             }
         }
-        return -1;
+        return Count;
     }
 
-    public int Insert(T? item, int index)
+    public int Insert(T? item, int index, IEqualityComparer<DrawningBase?>? cmpr = null)
     {
+
+        if (index < 0 || index >= _maxCount) throw new PositionOutOfCollectionException(index);
+        if (Count >= _maxCount) throw new CollectionOverflowException(Count);
+
+        if (item == null) throw
+                new NullReferenceException("> Inserting item (at position) is null");
+        else
+        {
+            if (cmpr != null && item == cmpr)
+            {
+                throw new Exception();
+            }
+        }
+
         if (_collection[index] == null)
         {
             _collection[index] = item;
             return index;
         }
-
         else
         {
-            int min_diff = 100, min_index = 100;
+            int min_diff = 100, firstNullIndex = 100;
 
             for (int i = 0; i < Count; i++)
             {
-                if (_collection[i] == null
-                    && min_diff > Math.Abs(index - i))
+                if (_collection[i] == null && min_diff > Math.Abs(index - i))
                 {
                     min_diff = Math.Abs(index - i);
-                    min_index = i;
+                    firstNullIndex = i;
                 }
             }
 
-            _collection[min_index] = item;
-            return min_index;
+            _collection[firstNullIndex] = item;
+            return firstNullIndex;
         }
-
-        return -1;
     }
 
     public T? Remove(int index)
     {
-        T? item;
-        if (index < Count && index >= 0)
+        if (index >= _maxCount || index < 0)
+        // on the other positions items don't exist
         {
-            item = _collection[index];
-            _collection[index] = null;
-            return item;
+            throw new PositionOutOfCollectionException(index);
         }
-        return null;
+
+        T? item = _collection[index];
+        _collection[index] = null;
+
+        if (item == null) throw new ObjectNotFoundException(index);
+
+        return item;
+    }
+
+    public IEnumerable<T?> GetItems()
+    {
+        for (int i = 0; i < MaxCount; ++i)
+        { 
+            yield return _collection[i];
+        }
+    }
+
+    void ICollectionGenObj<T>.CollectionSort(IComparer<T?> comparer)
+    {
+        Array.Sort(_collection, comparer);
     }
 }
 

ProjectCruiser/CollectionGenericObj/CollectionInfo.cs

@@ -0,0 +1,63 @@
+namespace ProjectCruiser.CollectionGenericObj;
+
+// Класс, хранящиий информацию по коллекции
+/// </summary>
+public class CollectionInfo : IEquatable<CollectionInfo>
+{
+    // Название коллекции
+    public string Name { get; private set; }
+
+    // Тип
+    public CollectionType CollectionType { get; private set; }
+
+    // Описание
+    public string Description { get; private set; }
+
+    // Разделитель для записи информации по объекту в файл
+    private static readonly string _separator = "-";
+
+    public CollectionInfo(string name, CollectionType collectionType, string
+    description)
+    {
+        Name = name;
+        CollectionType = collectionType;
+        Description = description;
+    }
+
+    // Создание объекта из строки
+    public static CollectionInfo? GetCollectionInfo(string data)
+    {
+        string[] strs = data.Split(_separator,
+        StringSplitOptions.RemoveEmptyEntries);
+        if (strs.Length < 1 || strs.Length > 3)
+        {
+            return null;
+        }
+        return new CollectionInfo(strs[0],
+        (CollectionType)Enum.Parse(typeof(CollectionType), 
+            strs[1]), strs.Length > 2 ?
+            strs[2] : string.Empty);
+    }
+    public override string ToString()
+    {
+        return Name + _separator + CollectionType + _separator + Description;
+    }
+    public bool Equals(CollectionInfo? other)
+    {
+        // if (Name != other.Name) return false; >>>
+        // else if (CollectionType != other.CollectionType) return false;
+        // else if (Description != other.Description) return false;
+
+        return Name == other?.Name;
+    }
+
+    public override bool Equals(object? obj)
+    {
+        return Equals(obj as CollectionInfo);
+    }
+    public override int GetHashCode()
+    {
+        return Name.GetHashCode();
+    }
+}
+

ProjectCruiser/CollectionGenericObj/ICollectionGenObj.cs

@@ -1,4 +1,6 @@
-namespace ProjectCruiser.CollectionGenericObj;
+using ProjectCruiser.DrawningSamples;
+
+namespace ProjectCruiser.CollectionGenericObj;
 
 public interface ICollectionGenObj<T> where T : class
 {
@@ -6,13 +8,13 @@ public interface ICollectionGenObj<T> where T : class
     int Count { get; }
 
     // Установка max кол-ва элементов
-    int SetMaxCount { set; }
+    int MaxCount { set; get; }
 
     /// Добавление объекта в коллекцию
     /// <param name="obj">Добавляемый объект</param>
     /// <returns>true - вставка прошла удачно, false - вставка не удалась</returns>
-    int Insert(T obj);
-    int Insert(T obj, int position);
+    int Insert(T obj, IEqualityComparer<DrawningBase?>? cmpr = null);
+    int Insert(T obj, int position, IEqualityComparer<DrawningBase?>? cmpr = null);
 
     /// Удаление объекта из коллекции с конкретной позиции
     /// <param name="position">Позиция</param>
@@ -21,4 +23,14 @@ public interface ICollectionGenObj<T> where T : class
 
     // Получение объекта по позиции
     T? GetItem(int position);
+
+    // Получение типа коллекции
+    CollectionType GetCollectionType { get; }
+
+    // Получение объектов коллекции по одному
+    IEnumerable<T?> GetItems();
+
+    // Сортировка коллекции
+    /// <param name="comparer">Сравнитель объектов</param>
+    void CollectionSort(IComparer<T?> comparer);
 }

ProjectCruiser/CollectionGenericObj/ListGenObj.cs

@@ -1,5 +1,5 @@
-using System;
-using System.Reflection;
+using ProjectCruiser.DrawningSamples;
+using ProjectCruiser.Exceptions;
 
 namespace ProjectCruiser.CollectionGenericObj;
 
@@ -8,13 +8,28 @@ public class ListGenObj<T> : ICollectionGenObj<T>
     where T : class
 {
     // Список объектов, которые храним
-    private readonly List<T?> _collection;
+    private List<T?> _collection;
 
     // Максимально допустимое число объектов в списке
     private int _maxCount;
     public int Count => _collection.Count;
 
-    public int SetMaxCount { set { if (value > 0) { _maxCount = value; } } }
+    public int MaxCount
+    {
+        get { return _maxCount; }
+        set
+        {
+            if (value > 0)
+            {
+                if (_collection.Count == 0) _collection = new List<T>(value);
+                else _collection.Capacity = value; // instead of resizing
+
+                _maxCount = value;
+            }
+        }
+    }
+
+    public CollectionType GetCollectionType => CollectionType.List;
 
     public ListGenObj()
     {
@@ -23,32 +38,50 @@ public class ListGenObj<T> : ICollectionGenObj<T>
 
     public T? GetItem(int position)
     {
-        if (position >= Count || position < 0)
-        {
-            return null;
-        }
+        if (position > _maxCount)
+            throw new CollectionOverflowException(position);
+        if (position < 0)
+            throw new PositionOutOfCollectionException(position);
+
+        if (_collection[position] == null)
+            throw new ObjectNotFoundException(position);
 
         return _collection[position];
     }
 
-    public int Insert(T obj)
+    public int Insert(T? obj, IEqualityComparer<DrawningBase?>? cmpr = null)
     {
-        if (Count >= _maxCount || obj == null)
+        if (obj == null)
+            throw new NullReferenceException("> Inserting object is null");
+        else
         {
-            return -1;
+            if (cmpr != null && obj == cmpr)
+            {
+                throw new Exception();
+            }
         }
 
+        // выход за границы, курируется CollectionOverflowException
+        if (Count >= _maxCount) throw new CollectionOverflowException(Count);
+
         _collection.Add(obj);
         return Count;
     }
 
-    public int Insert(T obj, int position)
+    public int Insert(T? obj, int position, IEqualityComparer<DrawningBase?>? cmpr = null)
     {
-        if (position >= _maxCount || Count >= _maxCount ||
-            position < 0 || _collection[position] != null
-            || obj == null)
+        if (position < 0 || position >= _maxCount)
+            throw new PositionOutOfCollectionException(position);
+        if (Count >= _maxCount) throw new CollectionOverflowException(Count);
+
+        if (obj == null)
+            throw new NullReferenceException("> Inserting object (at position) is null");
+        else
         {
-            return -1;
+            if (cmpr != null && obj == cmpr)
+            {
+                throw new Exception();
+            }
         }
 
         _collection.Insert(position, obj);
@@ -57,14 +90,30 @@ public class ListGenObj<T> : ICollectionGenObj<T>
 
     public T? Remove(int position)
     {
-        if (position >= Count || position < 0)
+        if (position >= _maxCount || position < 0)
         // on the other positions items don't exist
         {
-            return null;
+            throw new PositionOutOfCollectionException(position);
         }
 
         T? item = _collection[position];
         _collection.RemoveAt(position);
+
+        if (item == null) throw new ObjectNotFoundException(position);
+
         return item;
     }
+
+    public IEnumerable<T?> GetItems()
+    {
+        for (int i = 0; i < _collection.Count; ++i)
+        {
+            yield return _collection[i];
+        }
+    }
+
+    void ICollectionGenObj<T>.CollectionSort(IComparer<T?> comparer)
+    {
+        _collection.Sort(comparer);
+    }
 }

ProjectCruiser/CollectionGenericObj/ShipSharingService.cs

@@ -41,27 +41,38 @@ public class ShipSharingService : AbstractCompany
         }
     }
 
-    protected override void SetObjectsPosition()
+    protected override void SetObjectsPosition(int border)
     {
         int index_collection = 0;
-        int newX = fromBorder + 6, newY = fromCeiling + 6;
+        int newY = fromCeiling + 4;
 
         if (_collection != null)
         {
-            for (int i = 0; i < MaxInColon; ++i)
+            for (int i = 0; i < MaxInColon; i++)
             {
-                newX = fromBorder + 2;
-                for (int j = 0; j < MaxInRow; ++j)
+                int newX = fromBorder + 2;
+                for (int j = 0; j < MaxInRow; j++)
                 {
-                    if (_collection.GetItem(index_collection) != null)
+                    try
                     {
-                        _collection.GetItem(index_collection).SetPictureSize(_pictureWidth, _pictureHeight);
+                        _collection.GetItem(index_collection).SetPictureSize(
+                            _pictureWidth, _pictureHeight);
+
                         _collection.GetItem(index_collection).SetPosition(newX, newY);
-                        newX += _placeSizeWidth + between + 2;
+
+                    } catch (Exception ex)
+                    {
+                        Console.WriteLine(ex.ToString());
+                    }
+                    newX += _placeSizeWidth + between + 2;
+
+                    if (index_collection < border)
+                    {
                         index_collection++;
                     }
+                    else return;
                 }
-                newY += _placeSizeHeight + 2;
+                newY += _placeSizeHeight + 1;
             }
         }
     }

ProjectCruiser/CollectionGenericObj/StorageCollection.cs

@@ -1,51 +1,181 @@
-namespace ProjectCruiser.CollectionGenericObj;
+using System.CodeDom;
+using System.Text;
+using ProjectCruiser.DrawningSamples;
+
+namespace ProjectCruiser.CollectionGenericObj;
 
 public class StorageCollection<T>
-where T : class
+    where T : DrawningBase // class
 {
-    // Словарь (хранилище) с коллекциями < name, type (class) >
-    readonly Dictionary<string, ICollectionGenObj<T>> _storages;
+    private readonly string _separatorForKeyValue = "|";
+    private readonly string _separatorItems = ";";
+    private readonly string _collectionKey = "CollectionsStorage";
 
-    // Возвращение списка названий коллекций
-    public List<string> Keys => _storages.Keys.ToList();
+    // Словарь (хранилище) с коллекциями < CollectionInfo, type (class) >
+    readonly Dictionary<CollectionInfo, ICollectionGenObj<T>> _storages;
+
+    // Возвращение списка коллекций
+    public List<CollectionInfo> Keys => _storages.Keys.ToList();
 
     public StorageCollection()
     {
-        _storages = new Dictionary<string, ICollectionGenObj<T>>();
+        _storages = new Dictionary<CollectionInfo, ICollectionGenObj<T>>();
     }
 
-    /// Добавление коллекции в хранилище
-    /// <param name="name">Название коллекции</param>
-    /// <param name="collectionType">тип коллекции</param>
+    // Добавление коллекции в хранилище
     public void AddCollection(string name, CollectionType collType)
     {
-        if (name == null || _storages.ContainsKey(name)
+        // descroption [ ? ] >>>
+        CollectionInfo coll = new CollectionInfo(name, collType, string.Empty);
+
+        if (name == null || _storages.ContainsKey(coll)
             || collType == CollectionType.None)
         {
-            return;
+            throw new NullReferenceException("> Not enough information to save");
         }
 
-        switch (collType)
-        {
-            case CollectionType.List: _storages.Add(name, new ListGenObj<T>()); break;
-            // _storages[name] = new ListGenericObjects<T>(); break; [*]
-
-            case CollectionType.Array: _storages.Add(name, new ArrayGenObj<T>()); break;
-        }
+        _storages.Add(coll, CreateCollection(collType));
     }
 
-    /// Удаление коллекции ( по ключу-строке - её имени )
-    /// <param name="name">Название коллекции</param>
+    // Удаление коллекции ( по ключу-строке - её имени )
     public void DelCollection(string name)
     {
-        if (_storages.ContainsKey(name)) _storages.Remove(name);
-        return;
+        // descroption [ ? ] >>>
+        CollectionInfo coll = new CollectionInfo(name,
+            CollectionType.None, string.Empty);
+
+        if (_storages.ContainsKey(coll)) _storages.Remove(coll);
+        else throw new NullReferenceException("> No such key in the list");
     }
 
-    /// Доступ к коллекции ( по ключу-строке - её имени )
+    // Доступ к коллекции , индексатор [!!!]
     public ICollectionGenObj<T>? this[string name]
     {
-        get => _storages.ContainsKey(name) ? _storages[name] : null;
+        get => _storages.ContainsKey(new CollectionInfo(name, CollectionType.None, string.Empty))
+            ? _storages[new CollectionInfo(name, CollectionType.None, string.Empty)] : null;
+    }
+
+    /// Сохранение информации по автомобилям в хранилище в файл
+    /// <param name="filename">Путь и имя файла</param>
+    /// <returns>true - сохранение прошло успешно,
+    /// false - ошибка при сохранении данных</returns>
+    public void SaveData(string filename)
+    {
+        if (_storages.Count == 0)
+            throw new NullReferenceException("> No existing collections to save");
+
+        if (File.Exists(filename)) { File.Delete(filename); }
+
+        StringBuilder sb = new();
+
+        sb.Append(_collectionKey); // const
+
+        foreach (KeyValuePair<CollectionInfo, ICollectionGenObj<T>> pair in _storages)
+        {
+            sb.Append(Environment.NewLine); // не сохраняем пустые коллекции
+            if (pair.Value.Count == 0) { continue; }
+
+            sb.Append(pair.Key);
+            sb.Append(_separatorForKeyValue);
+            // <...>
+            sb.Append(pair.Value.MaxCount);
+            sb.Append(_separatorForKeyValue);
+
+            foreach (T? item in pair.Value.GetItems())
+            {
+                string data = item?.GetDataForSave() ?? string.Empty;
+                if (string.IsNullOrEmpty(data))
+                {
+                    continue;
+                }
+
+                sb.Append(data);
+                sb.Append(_separatorItems);
+            }
+        }
+
+        using FileStream fs = new(filename, FileMode.Create);
+        byte[] info = new UTF8Encoding(true).GetBytes(sb.ToString());
+        fs.Write(info, 0, info.Length);
+    }
+
+    // Создание коллекции по типу
+    private static ICollectionGenObj<T>? CreateCollection(CollectionType collectionType)
+    {
+        return collectionType switch
+        {
+            CollectionType.Array => new ArrayGenObj<T>(),
+            CollectionType.List => new ListGenObj<T>(),
+            _ => null,
+        };
+    }
+
+    // Загрузка информации по кораблям в хранилище из файла
+    public void LoadData(string filename)
+    {
+        if (!File.Exists(filename)) throw new FileNotFoundException("> No such file");
+
+        string bufferTextFromFile = "";
+
+        using (FileStream fs = new(filename, FileMode.Open))
+        {
+            byte[] b = new byte[fs.Length];
+            UTF8Encoding temp = new(true);
+            while (fs.Read(b, 0, b.Length) > 0)
+            {
+                bufferTextFromFile += temp.GetString(b);
+            }
+        }
+
+        string[] strs = bufferTextFromFile.Split(
+            new char[] { '\n', '\r' }, StringSplitOptions.RemoveEmptyEntries);
+
+        if (strs == null || strs.Length == 0)
+            throw new NullReferenceException("> No data to decode");
+        if (!strs[0].Equals(_collectionKey))
+            throw new InvalidDataException("> Incorrect data");
+
+        string[] companies = new string[strs.Length - 1];
+        for (int k = 1; k < strs.Length; k++)
+        {
+            companies[k - 1] = strs[k];
+        }
+
+        _storages.Clear();
+        foreach (string data in companies)
+        {
+            string[] record = data.Split(_separatorForKeyValue, StringSplitOptions.RemoveEmptyEntries);
+            if (record.Length != 3) // >
+                // [key + collType] | maxcount | all next inf > 4
+            { continue; }
+
+            CollectionInfo? collInfo = CollectionInfo.GetCollectionInfo(record[0]) ??
+                throw new Exception("[!] Failed to decode information : " + record[0]);
+
+            ICollectionGenObj<T>? collection = StorageCollection<T>.CreateCollection(
+                collInfo.CollectionType) ??
+                throw new Exception("[!] Failed to create a collection");
+
+            collection.MaxCount = Convert.ToInt32(record[1]);
+            string[] set = record[2].Split(_separatorItems,
+            StringSplitOptions.RemoveEmptyEntries);
+
+            foreach (string elem in set)
+            {
+                if (elem?.CreateDrawningCar() is T ship)
+                {
+                    try
+                    {
+                        collection.Insert(ship);
+                    }
+                    catch (Exception e)
+                    {
+                        throw new Exception(e.Message);
+                    }
+                }
+            }
+            _storages.Add(collInfo, collection);
+        }
     }
 }
 

ProjectCruiser/DrawningSamples/DrawningBase.cs

@@ -14,9 +14,9 @@ public class DrawningBase
     private readonly int _drawningHeight = 42; // Высота прорисовки автомобиля
 
     // Инициализация свойств (теперь через конструктор)
-    public DrawningBase(int speed, double weight, Color bodyColor) : this()
+    public DrawningBase(EntityBase ship) : this()
     {
-        EntityTransport = new EntityBase(speed, weight, bodyColor);
+        EntityTransport = ship;
     }
 
     private DrawningBase()

ProjectCruiser/DrawningSamples/DrawningCruiser.cs

@@ -5,11 +5,9 @@ namespace ProjectCruiser.DrawningSamples;
 public class DrawningCruiser : DrawningBase
 {
     // Инициализация свойств (все параметры класса (сущности))
-    public DrawningCruiser(int speed, double weight, Color bodyColor,
-        Color additionalColor, bool pad, bool hangars) : base(302, 42)
+    public DrawningCruiser(EntityCruiser ship) : base((EntityBase)ship)
     {
-        EntityTransport = new EntityCruiser(speed, weight,
-            bodyColor, additionalColor, pad, hangars);
+        EntityTransport = ship;
     }
 
     public override void DrawTransport(Graphics g)

ProjectCruiser/DrawningSamples/DrawningShipCompare.cs

@@ -0,0 +1,31 @@
+namespace ProjectCruiser.DrawningSamples;
+
+// Сравнение по типу, скорости, весу
+public class DrawningShipCompare : IComparer<DrawningBase?>
+{
+    public int Compare(DrawningBase? x, DrawningBase? y)
+    {
+        if (x == null || x.EntityTransport == null)
+        {
+            return 1;
+        }
+
+        if (y == null || y.EntityTransport == null)
+        {
+            return -1;
+        }
+
+        if (x.GetType().Name != y.GetType().Name)
+        {
+            return x.GetType().Name.CompareTo(y.GetType().Name);
+        }
+
+        var speedCompare = x.EntityTransport.Speed.CompareTo(y.EntityTransport.Speed);
+        if (speedCompare != 0)
+        {
+            return speedCompare;
+        }
+
+        return x.EntityTransport.Weight.CompareTo(y.EntityTransport.Weight);
+    }
+}

ProjectCruiser/DrawningSamples/DrawningShipCompareByColor.cs

@@ -0,0 +1,34 @@
+namespace ProjectCruiser.DrawningSamples;
+
+public class DrawningShipCompareByColor : IComparer<DrawningBase?>
+{
+    public int Compare(DrawningBase? x, DrawningBase? y)
+    {
+        if (x == null || x.EntityTransport == null)
+        {
+            return 1;
+        }
+
+        if (y == null || y.EntityTransport == null)
+        {
+            return -1;
+        }
+
+        var bodycolorCompare = x.EntityTransport.MainColor.Name.CompareTo(
+            y.EntityTransport.MainColor.Name);
+
+        if (bodycolorCompare != 0)
+        {
+            return bodycolorCompare;
+        }
+
+        var speedCompare = x.EntityTransport.Speed.CompareTo(y.EntityTransport.Speed);
+        
+        if (speedCompare != 0)
+        {
+            return speedCompare;
+        }
+
+        return x.EntityTransport.Weight.CompareTo(y.EntityTransport.Weight);
+    }
+}

ProjectCruiser/DrawningSamples/DrawningShipEqutables.cs

@@ -0,0 +1,45 @@
+using System.Diagnostics.CodeAnalysis;
+using ProjectCruiser.Entities;
+
+namespace ProjectCruiser.DrawningSamples;
+
+// Реализация сравнения двух объектов класса-прорисовки
+public class DrawiningShipEqutables : IEqualityComparer<DrawningBase?>
+{
+    public bool Equals(DrawningBase? x, DrawningBase? y)
+    {
+        if (x == null || x.EntityTransport == null) return false;
+        if (y == null || y.EntityTransport == null) return false;
+        if (x.GetType().Name != y.GetType().Name) return false;
+
+        if (x.EntityTransport.Speed != y.EntityTransport.Speed) return false;
+        if (x.EntityTransport.Weight != y.EntityTransport.Weight) return false;
+        if (x.EntityTransport.MainColor != y.EntityTransport.MainColor) return false;
+
+        if (x is DrawningCruiser && y is DrawningCruiser)
+        {
+            /*  public Color AdditionalColor { get; private set; } // доп. цвет
+                // признаки (наличия)
+                public bool HelicopterPads { get; private set; } // вертолетная площадка
+                public bool Hangars { get; private set; } // ангар */
+
+            EntityCruiser EntityX = (EntityCruiser)x.EntityTransport;
+            EntityCruiser EntityY = (EntityCruiser)y.EntityTransport;
+
+            if (EntityX.AdditionalColor != EntityY.AdditionalColor)
+                return false;
+
+            if (EntityX.Hangars != EntityY.Hangars)
+                return false;
+
+            if (EntityX.HelicopterPads != EntityY.HelicopterPads)
+                return false;
+        }
+        return true;
+    }
+    public int GetHashCode([DisallowNull] DrawningBase obj)
+    {
+        return obj.GetHashCode();
+    }
+}
+

ProjectCruiser/DrawningSamples/ExtentionDrShip.cs

@@ -0,0 +1,41 @@
+using ProjectCruiser.Entities;
+namespace ProjectCruiser.DrawningSamples;
+public static class ExtentionDrShip
+{
+    // Разделитель для записи информации по объекту в файл
+    private static readonly string _separatorForObject = ":";
+
+    // Создание объекта из строки
+    public static DrawningBase? CreateDrawningCar(this string info)
+    {
+        string[] strs = info.Split(_separatorForObject);
+
+        EntityBase? ship = EntityCruiser.CreateEntity(strs);
+        if (ship != null)
+        {
+            return new DrawningCruiser((EntityCruiser)ship);
+        }
+
+        ship = EntityBase.CreateEntity(strs);
+        if (ship != null)
+        {
+            return new DrawningBase(ship);
+        }
+
+        return null;
+    }
+
+    // Получение данных для сохранения в файл - - - - - - -
+    public static string GetDataForSave(this DrawningBase drShip)
+        // метод расширения за счёт ключевого слова 'this'
+        // вызов метода достигается не через имя класса,
+        // а при вызове у объекта типа DrawningBase [*]
+    {
+        string[]? array = drShip?.EntityTransport?.GetStringRepresentation();
+        if (array == null)
+        {
+            return string.Empty;
+        }
+        return string.Join(_separatorForObject, array);
+    }
+}

ProjectCruiser/EditorForm3.cs

@@ -63,12 +63,14 @@ public partial class EditorForm3 : Form
         switch (e.Data?.GetData(DataFormats.Text)?.ToString())
         {
             case "BaseLabel":
-                _cruiser = new DrawningBase((int)SpeedN.Value, (double)WeightN.Value, Color.White);
+                EntityBase ship = new EntityBase((int)SpeedN.Value, (double)WeightN.Value, Color.White);
+                _cruiser = new DrawningBase(ship);
                 break;
             case "AdvLabel":
                 Random rn = new Random();
-                _cruiser = new DrawningCruiser((int)SpeedN.Value, (double)WeightN.Value,
+                EntityCruiser cruiser = new EntityCruiser((int)SpeedN.Value, (double)WeightN.Value,
                             Color.White, Color.Black, checkBoxPads.Checked, checkBoxHangars.Checked);
+                _cruiser = new DrawningCruiser(cruiser);
                 break;
         }
         labelMcolor.BackColor = Color.Empty;

ProjectCruiser/Entities/EntityBase.cs

@@ -24,9 +24,26 @@ public class EntityBase
         Speed = speed;
         Weight = weight;
         MainColor = mainc;
-        // Deckhouse = deckhouse;
         values[0] = rn.Next(1, 4);
         values[1] = rn.Next(5, 10);
         values[2] = rn.Next(1, 3);
     }
+
+    // Получение массива строк со значениями свойств
+    // объекта : тип (название класса), скорость, вес, осн. цвет [*]
+    public virtual string[] GetStringRepresentation()
+    {
+        return new[] { nameof(EntityBase), Speed.ToString(),
+            Weight.ToString(), MainColor.Name };
+    }
+
+    // decoding string to object
+    public static EntityBase? CreateEntity(string[] parameters)
+    {
+        if (parameters.Length != 4 || parameters.Length == 0 ||
+            parameters[0] != "EntityBase") return null;
+
+        return new EntityBase(Convert.ToInt32(parameters[1]),
+            Convert.ToDouble(parameters[2]), Color.FromName(parameters[3]));
+    }
 }

ProjectCruiser/Entities/EntityCruiser.cs

@@ -21,4 +21,26 @@ public class EntityCruiser : EntityBase
         HelicopterPads = pad; // non-default now for editor Form3
         Hangars = hangars;
     }
+
+    // Получение массива строк со значениями свойств
+    // объекта : тип (название класса), скорость, вес, осн. цвет [*],
+    // доп. цвет, истинность наличия площадки и (,) ангаров.
+    public override string[] GetStringRepresentation() // :O
+    {
+        return new[] { nameof(EntityCruiser), Speed.ToString(),
+            Weight.ToString(), MainColor.Name, AdditionalColor.Name,
+            HelicopterPads.ToString(), Hangars.ToString()};
+    }
+
+    // decoding string to object
+    public static EntityCruiser? CreateEntity(string[] parameters)
+    {
+        if (parameters.Length != 7 || parameters.Length == 0 ||
+            parameters[0] != "EntityCruiser") return null;
+
+        return new EntityCruiser(Convert.ToInt32(parameters[1]),
+            Convert.ToDouble(parameters[2]), Color.FromName(parameters[3]),
+            Color.FromName(parameters[4]), Convert.ToBoolean(parameters[5]),
+            Convert.ToBoolean(parameters[6]));
+    }
 }

ProjectCruiser/Exceptions/CollectionOverflowException.cs

@@ -0,0 +1,18 @@
+using System.Runtime.Serialization;
+namespace ProjectCruiser.Exceptions;
+
+// Класс, описывающий ошибку переполнения коллекции
+[Serializable]
+internal class CollectionOverflowException : ApplicationException
+{
+    public CollectionOverflowException(int count)
+        : base("<> Possible accsess\nof collection is over : " + count) { }
+    public CollectionOverflowException() : base() { }
+    public CollectionOverflowException(string message) : base(message) { }
+    public CollectionOverflowException(string message, Exception exception) :
+    base(message, exception)
+    { }
+    protected CollectionOverflowException(SerializationInfo info,
+    StreamingContext contex) : base(info, contex) { }
+}
+

ProjectCruiser/Exceptions/ObjectNotFoundException.cs

@@ -0,0 +1,16 @@
+using System.Runtime.Serialization;
+namespace ProjectCruiser.Exceptions;
+
+// Класс, описывающий ошибку, что по указанной позиции нет элемента
+[Serializable]
+internal class ObjectNotFoundException : ApplicationException
+{
+    public ObjectNotFoundException(int i)
+        : base("<> Didn't find obj\non this position : " + i) { }
+    public ObjectNotFoundException() : base() { }
+    public ObjectNotFoundException(string message) : base(message) { }
+    public ObjectNotFoundException(string message, Exception exception)
+        : base(message, exception) { }
+    protected ObjectNotFoundException(SerializationInfo info,
+        StreamingContext contex) : base(info, contex) { }
+}

ProjectCruiser/Exceptions/PositionOutOfCollectionException.cs

@@ -0,0 +1,16 @@
+using System.Runtime.Serialization;
+namespace ProjectCruiser.Exceptions;
+
+// Класс, описывающий ошибку выхода за границы коллекции
+[Serializable]
+internal class PositionOutOfCollectionException : ApplicationException
+{
+    public PositionOutOfCollectionException(int i)
+        : base("<> Out of collection\nboarder. Position : " + i) { }
+    public PositionOutOfCollectionException() : base() { }
+    public PositionOutOfCollectionException(string message) : base(message) { }
+    public PositionOutOfCollectionException(string message,
+        Exception exception) : base(message, exception) { }
+    protected PositionOutOfCollectionException(SerializationInfo info,
+        StreamingContext contex) : base(info, contex) { }
+}

ProjectCruiser/OceanForm1.cs

@@ -1,4 +1,5 @@
 using ProjectCruiser.DrawningSamples;
+using ProjectCruiser.Entities;
 using ProjectCruiser.MoveStrategy;
 
 namespace ProjectCruiser
@@ -59,16 +60,18 @@ namespace ProjectCruiser
             switch (type)
             {
                 case nameof(DrawningBase):
-                    _drawningCruiser = new DrawningBase(random.Next(100, 300), random.Next(1000, 3000),
+                    EntityBase ship = new EntityBase(random.Next(100, 300), random.Next(1000, 3000),
                     Color.FromArgb(random.Next(0, 256), random.Next(0, 256), random.Next(0, 256)));
+                    _drawningCruiser = new DrawningBase(ship);
                     break;
 
                 case nameof(DrawningCruiser):
-                    _drawningCruiser = new DrawningCruiser(
+                    EntityCruiser cruiser = new EntityCruiser(
                         random.Next(100, 300), random.Next(1000, 3000),
                         Color.FromArgb(random.Next(0, 256), random.Next(0, 256), random.Next(0, 256)),
                         Color.FromArgb(random.Next(0, 256), random.Next(0, 256), random.Next(0, 256)),
                         Convert.ToBoolean(random.Next(0, 2)), Convert.ToBoolean(random.Next(0, 2)));
+                    _drawningCruiser = new DrawningCruiser(cruiser);
                     break;
 
                 default:

ProjectCruiser/Program.cs

@@ -1,18 +1,45 @@
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.Configuration;
+using Serilog;
+
 namespace ProjectCruiser
 {
     internal static class Program
     {
         /// <summary>
-        ///  The main entry point for the application.
+        /// The main entry point for the application.
         /// </summary>
         [STAThread]
         static void Main()
         {
             // To customize application configuration such as set high DPI settings or default font,
             // see https://aka.ms/applicationconfiguration.
+
             ApplicationConfiguration.Initialize();
-            Application.Run(new ServiceForm2());
-            // -> OceanForm1() inside*
+
+            ServiceCollection services = new();
+            ConfigureServices(services);
+            using ServiceProvider serviceProvider = services.BuildServiceProvider();
+            Application.Run(serviceProvider.GetRequiredService<ServiceForm2>());
+
+        }
+        private static void ConfigureServices(ServiceCollection services)
+        {
+            string[] path = Directory.GetCurrentDirectory().Split('\\');
+            string pathNeed = "";
+            for (int i = 0; i < path.Length - 3; i++)
+            {
+                pathNeed += path[i] + "\\";
+            }
+
+            services.AddSingleton<ServiceForm2>().AddLogging(option =>
+            {
+                option.SetMinimumLevel(LogLevel.Information);
+                option.AddSerilog(new LoggerConfiguration().ReadFrom.Configuration(
+                    new ConfigurationBuilder().AddJsonFile(
+                        $"{pathNeed}serilog.json").Build()).CreateLogger());
+            });
         }
     }
 }

ProjectCruiser/ProjectCruiser.csproj

@@ -8,4 +8,16 @@
     <ImplicitUsings>enable</ImplicitUsings>
   </PropertyGroup>
 
+  <ItemGroup>
+    <PackageReference Include="Microsoft.Extensions.Configuration" Version="8.0.0" />
+    <PackageReference Include="Microsoft.Extensions.Configuration.FileExtensions" Version="8.0.0" />
+    <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="8.0.0" />
+    <PackageReference Include="Microsoft.Extensions.Logging" Version="8.0.0" />
+    <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="8.0.1" />
+    <PackageReference Include="Serilog" Version="4.0.0" />
+    <PackageReference Include="Serilog.Extensions.Logging" Version="8.0.0" />
+    <PackageReference Include="Serilog.Settings.Configuration" Version="8.0.1" />
+    <PackageReference Include="Serilog.Sinks.File" Version="5.0.0" />
+  </ItemGroup>
+
 </Project>

ProjectCruiser/ServiceForm2.Designer.cs

@@ -46,10 +46,19 @@
             btnAddCruiser = new Button();
             btnCreateCompany = new Button();
             pictureBox = new PictureBox();
+            menuStrip = new MenuStrip();
+            fileToolStripMenuItem = new ToolStripMenuItem();
+            saveToolStripMenuItem = new ToolStripMenuItem();
+            loadToolStripMenuItem = new ToolStripMenuItem();
+            saveFileDialog = new SaveFileDialog();
+            openFileDialog = new OpenFileDialog();
+            btnSortType = new Button();
+            btnSortColor = new Button();
             groupBox.SuspendLayout();
             companyPanel.SuspendLayout();
             toolPanel.SuspendLayout();
             ((System.ComponentModel.ISupportInitialize)pictureBox).BeginInit();
+            menuStrip.SuspendLayout();
             SuspendLayout();
             // 
             // comboBoxArrList
@@ -57,7 +66,7 @@
             comboBoxArrList.Anchor = AnchorStyles.Top | AnchorStyles.Bottom | AnchorStyles.Left | AnchorStyles.Right;
             comboBoxArrList.FormattingEnabled = true;
             comboBoxArrList.Items.AddRange(new object[] { "Storage" });
-            comboBoxArrList.Location = new Point(17, 41);
+            comboBoxArrList.Location = new Point(17, 38);
             comboBoxArrList.Name = "comboBoxArrList";
             comboBoxArrList.Size = new Size(241, 40);
             comboBoxArrList.TabIndex = 0;
@@ -70,9 +79,9 @@
             groupBox.Controls.Add(toolPanel);
             groupBox.Controls.Add(btnCreateCompany);
             groupBox.Controls.Add(comboBoxArrList);
-            groupBox.Location = new Point(1421, 10);
+            groupBox.Location = new Point(1421, 43);
             groupBox.Name = "groupBox";
-            groupBox.Size = new Size(273, 986);
+            groupBox.Size = new Size(273, 964);
             groupBox.TabIndex = 2;
             groupBox.TabStop = false;
             groupBox.Text = "Tool panel";
@@ -86,17 +95,17 @@
             companyPanel.Controls.Add(rBtnArray);
             companyPanel.Controls.Add(maskedTxtBoxCName);
             companyPanel.Controls.Add(label);
-            companyPanel.Location = new Point(17, 91);
+            companyPanel.Location = new Point(17, 83);
             companyPanel.Name = "companyPanel";
-            companyPanel.Size = new Size(243, 391);
+            companyPanel.Size = new Size(243, 359);
             companyPanel.TabIndex = 7;
             // 
             // btnDeleteCollection
             // 
             btnDeleteCollection.Anchor = AnchorStyles.Top | AnchorStyles.Bottom | AnchorStyles.Left | AnchorStyles.Right;
-            btnDeleteCollection.Location = new Point(15, 312);
+            btnDeleteCollection.Location = new Point(16, 276);
             btnDeleteCollection.Name = "btnDeleteCollection";
-            btnDeleteCollection.Size = new Size(214, 73);
+            btnDeleteCollection.Size = new Size(214, 76);
             btnDeleteCollection.TabIndex = 11;
             btnDeleteCollection.Text = "Remove Collection";
             btnDeleteCollection.UseVisualStyleBackColor = true;
@@ -105,17 +114,17 @@
             // listBox
             // 
             listBox.FormattingEnabled = true;
-            listBox.Location = new Point(16, 174);
+            listBox.Location = new Point(16, 171);
             listBox.Name = "listBox";
-            listBox.Size = new Size(214, 132);
+            listBox.Size = new Size(214, 100);
             listBox.TabIndex = 10;
             // 
             // btnAddCollection
             // 
             btnAddCollection.Anchor = AnchorStyles.Top | AnchorStyles.Bottom | AnchorStyles.Left | AnchorStyles.Right;
-            btnAddCollection.Location = new Point(15, 119);
+            btnAddCollection.Location = new Point(15, 118);
             btnAddCollection.Name = "btnAddCollection";
-            btnAddCollection.Size = new Size(214, 50);
+            btnAddCollection.Size = new Size(214, 49);
             btnAddCollection.TabIndex = 7;
             btnAddCollection.Text = "Add Collection";
             btnAddCollection.UseVisualStyleBackColor = true;
@@ -135,7 +144,7 @@
             // rBtnArray
             // 
             rBtnArray.AutoSize = true;
-            rBtnArray.Location = new Point(16, 80);
+            rBtnArray.Location = new Point(16, 79);
             rBtnArray.Name = "rBtnArray";
             rBtnArray.Size = new Size(100, 36);
             rBtnArray.TabIndex = 8;
@@ -162,23 +171,25 @@
             // 
             // toolPanel
             // 
+            toolPanel.Controls.Add(btnSortColor);
+            toolPanel.Controls.Add(btnSortType);
             toolPanel.Controls.Add(btnUpdate);
             toolPanel.Controls.Add(btnTest);
             toolPanel.Controls.Add(maskedTextBoxPosition);
             toolPanel.Controls.Add(btnDelete);
             toolPanel.Controls.Add(btnAddCruiser);
             toolPanel.Enabled = false;
-            toolPanel.Location = new Point(26, 567);
+            toolPanel.Location = new Point(26, 537);
             toolPanel.Name = "toolPanel";
-            toolPanel.Size = new Size(226, 317);
+            toolPanel.Size = new Size(226, 415);
             toolPanel.TabIndex = 13;
             // 
             // btnUpdate
             // 
             btnUpdate.Anchor = AnchorStyles.Top | AnchorStyles.Bottom | AnchorStyles.Left | AnchorStyles.Right;
-            btnUpdate.Location = new Point(16, 257);
+            btnUpdate.Location = new Point(16, 350);
             btnUpdate.Name = "btnUpdate";
-            btnUpdate.Size = new Size(192, 41);
+            btnUpdate.Size = new Size(193, 57);
             btnUpdate.TabIndex = 6;
             btnUpdate.Text = "Update";
             btnUpdate.UseVisualStyleBackColor = true;
@@ -187,9 +198,9 @@
             // btnTest
             // 
             btnTest.Anchor = AnchorStyles.Top | AnchorStyles.Bottom | AnchorStyles.Left | AnchorStyles.Right;
-            btnTest.Location = new Point(17, 162);
+            btnTest.Location = new Point(17, 142);
             btnTest.Name = "btnTest";
-            btnTest.Size = new Size(192, 89);
+            btnTest.Size = new Size(192, 80);
             btnTest.TabIndex = 5;
             btnTest.Text = "Choose\r\nfor testing";
             btnTest.UseVisualStyleBackColor = true;
@@ -198,7 +209,7 @@
             // maskedTextBoxPosition
             // 
             maskedTextBoxPosition.Anchor = AnchorStyles.Top | AnchorStyles.Bottom | AnchorStyles.Left | AnchorStyles.Right;
-            maskedTextBoxPosition.Location = new Point(17, 68);
+            maskedTextBoxPosition.Location = new Point(17, 55);
             maskedTextBoxPosition.Mask = "00";
             maskedTextBoxPosition.Name = "maskedTextBoxPosition";
             maskedTextBoxPosition.Size = new Size(192, 39);
@@ -208,20 +219,20 @@
             // btnDelete
             // 
             btnDelete.Anchor = AnchorStyles.Top | AnchorStyles.Bottom | AnchorStyles.Left | AnchorStyles.Right;
-            btnDelete.Location = new Point(16, 113);
+            btnDelete.Location = new Point(17, 99);
             btnDelete.Name = "btnDelete";
-            btnDelete.Size = new Size(192, 43);
+            btnDelete.Size = new Size(192, 41);
             btnDelete.TabIndex = 4;
             btnDelete.Text = "Delete";
             btnDelete.UseVisualStyleBackColor = true;
-            btnDelete.Click += btnRemoveCar_Click;
+            btnDelete.Click += btnRemoveShip_Click;
             // 
             // btnAddCruiser
             // 
             btnAddCruiser.Anchor = AnchorStyles.Top | AnchorStyles.Bottom | AnchorStyles.Left | AnchorStyles.Right;
-            btnAddCruiser.Location = new Point(17, 13);
+            btnAddCruiser.Location = new Point(16, 4);
             btnAddCruiser.Name = "btnAddCruiser";
-            btnAddCruiser.Size = new Size(192, 49);
+            btnAddCruiser.Size = new Size(192, 48);
             btnAddCruiser.TabIndex = 2;
             btnAddCruiser.Text = "Add cruiser";
             btnAddCruiser.UseVisualStyleBackColor = true;
@@ -230,9 +241,9 @@
             // btnCreateCompany
             // 
             btnCreateCompany.Anchor = AnchorStyles.Top | AnchorStyles.Bottom | AnchorStyles.Left | AnchorStyles.Right;
-            btnCreateCompany.Location = new Point(16, 488);
+            btnCreateCompany.Location = new Point(17, 447);
             btnCreateCompany.Name = "btnCreateCompany";
-            btnCreateCompany.Size = new Size(245, 73);
+            btnCreateCompany.Size = new Size(245, 85);
             btnCreateCompany.TabIndex = 12;
             btnCreateCompany.Text = "Create or switch to Company";
             btnCreateCompany.UseVisualStyleBackColor = true;
@@ -241,12 +252,75 @@
             // pictureBox
             // 
             pictureBox.Dock = DockStyle.Left;
-            pictureBox.Location = new Point(0, 0);
+            pictureBox.Location = new Point(0, 40);
             pictureBox.Name = "pictureBox";
-            pictureBox.Size = new Size(1415, 1007);
+            pictureBox.Size = new Size(1415, 967);
             pictureBox.TabIndex = 3;
             pictureBox.TabStop = false;
             // 
+            // menuStrip
+            // 
+            menuStrip.ImageScalingSize = new Size(32, 32);
+            menuStrip.Items.AddRange(new ToolStripItem[] { fileToolStripMenuItem });
+            menuStrip.Location = new Point(0, 0);
+            menuStrip.Name = "menuStrip";
+            menuStrip.Size = new Size(1700, 40);
+            menuStrip.TabIndex = 4;
+            menuStrip.Text = "menuStrip1";
+            // 
+            // fileToolStripMenuItem
+            // 
+            fileToolStripMenuItem.DropDownItems.AddRange(new ToolStripItem[] { saveToolStripMenuItem, loadToolStripMenuItem });
+            fileToolStripMenuItem.Name = "fileToolStripMenuItem";
+            fileToolStripMenuItem.Size = new Size(71, 36);
+            fileToolStripMenuItem.Text = "File";
+            // 
+            // saveToolStripMenuItem
+            // 
+            saveToolStripMenuItem.Name = "saveToolStripMenuItem";
+            saveToolStripMenuItem.ShortcutKeys = Keys.Control | Keys.S;
+            saveToolStripMenuItem.Size = new Size(277, 44);
+            saveToolStripMenuItem.Text = "Save";
+            saveToolStripMenuItem.Click += saveToolStripMenuItem_Click;
+            // 
+            // loadToolStripMenuItem
+            // 
+            loadToolStripMenuItem.Name = "loadToolStripMenuItem";
+            loadToolStripMenuItem.ShortcutKeys = Keys.Control | Keys.L;
+            loadToolStripMenuItem.Size = new Size(277, 44);
+            loadToolStripMenuItem.Text = "Load";
+            loadToolStripMenuItem.Click += loadToolStripMenuItem_Click;
+            // 
+            // saveFileDialog
+            // 
+            saveFileDialog.Filter = "txt file|*.txt";
+            // 
+            // openFileDialog
+            // 
+            openFileDialog.Filter = "txt file|*.txt";
+            // 
+            // btnSortType
+            // 
+            btnSortType.Anchor = AnchorStyles.Top | AnchorStyles.Bottom | AnchorStyles.Left | AnchorStyles.Right;
+            btnSortType.Location = new Point(16, 232);
+            btnSortType.Name = "btnSortType";
+            btnSortType.Size = new Size(192, 52);
+            btnSortType.TabIndex = 7;
+            btnSortType.Text = "Sort by type";
+            btnSortType.UseVisualStyleBackColor = true;
+            btnSortType.Click += btnSortType_Click;
+            // 
+            // btnSortColor
+            // 
+            btnSortColor.Anchor = AnchorStyles.Top | AnchorStyles.Bottom | AnchorStyles.Left | AnchorStyles.Right;
+            btnSortColor.Location = new Point(16, 285);
+            btnSortColor.Name = "btnSortColor";
+            btnSortColor.Size = new Size(192, 52);
+            btnSortColor.TabIndex = 8;
+            btnSortColor.Text = "Sort by color";
+            btnSortColor.UseVisualStyleBackColor = true;
+            btnSortColor.Click += btnSortColor_Click;
+            // 
             // ServiceForm2
             // 
             AutoScaleDimensions = new SizeF(13F, 32F);
@@ -254,6 +328,8 @@
             ClientSize = new Size(1700, 1007);
             Controls.Add(pictureBox);
             Controls.Add(groupBox);
+            Controls.Add(menuStrip);
+            MainMenuStrip = menuStrip;
             Name = "ServiceForm2";
             Text = "ServiceForm2";
             groupBox.ResumeLayout(false);
@@ -262,7 +338,10 @@
             toolPanel.ResumeLayout(false);
             toolPanel.PerformLayout();
             ((System.ComponentModel.ISupportInitialize)pictureBox).EndInit();
+            menuStrip.ResumeLayout(false);
+            menuStrip.PerformLayout();
             ResumeLayout(false);
+            PerformLayout();
         }
 
         #endregion
@@ -285,5 +364,13 @@
         private Button btnDeleteCollection;
         private Button btnCreateCompany;
         private Panel toolPanel;
+        private MenuStrip menuStrip;
+        private ToolStripMenuItem fileToolStripMenuItem;
+        private ToolStripMenuItem saveToolStripMenuItem;
+        private ToolStripMenuItem loadToolStripMenuItem;
+        private SaveFileDialog saveFileDialog;
+        private OpenFileDialog openFileDialog;
+        private Button btnSortColor;
+        private Button btnSortType;
     }
 }

ProjectCruiser/ServiceForm2.cs

@@ -1,5 +1,9 @@
 using ProjectCruiser.CollectionGenericObj;
 using ProjectCruiser.DrawningSamples;
+using Microsoft.Extensions.Logging;
+using ProjectCruiser.Exceptions;
+// using NLog.Extensions.Logging;
+
 namespace ProjectCruiser;
 
 public partial class ServiceForm2 : Form
@@ -9,10 +13,16 @@ public partial class ServiceForm2 : Form
 
     private readonly StorageCollection<DrawningBase> _storageCollection;
 
-    public ServiceForm2()
+    // Логер
+    private readonly ILogger _logger;
+
+    // Конструктор > logger
+    public ServiceForm2(ILogger<ServiceForm2> logger)
     {
         InitializeComponent();
         _storageCollection = new();
+        _logger = logger;
+        _logger.LogInformation("> Form is loaded successfully");
     }
 
     // Выбор компании
@@ -21,23 +31,10 @@ public partial class ServiceForm2 : Form
         toolPanel.Enabled = false;
     }
 
-    // Color picker (default : random)
-    private static Color pickColor(Random r)
-    {
-        Color cl = new Color();
-        ColorDialog dialog = new();
-
-        if (dialog.ShowDialog() == DialogResult.OK) cl = dialog.Color;
-        else Color.FromArgb(r.Next(0, 256), r.Next(0, 256), r.Next(0, 256));
-
-        return cl;
-    }
-
     // Добавление корабля
     private void btnAddTransport_Click(object sender, EventArgs e)
     {
         EditorForm3 form3 = new();
-        // TODO передать метод :
         form3.AddEvent(CreateObject);
         form3.Show();
     }
@@ -45,37 +42,53 @@ public partial class ServiceForm2 : Form
     // Создание объекта класса-перемещения
     private void CreateObject(DrawningBase? ship)
     {
-        if (_company == null || ship == null)
-        {
-            return;
-        }
-        if (_company + ship != -1)
+        try
         {
+            if (_company == null || ship == null)
+            {
+                throw new NullReferenceException(" > No existing collections to save");
+            }
+
+            int count = _company + ship;
+
             MessageBox.Show("> Object was added");
             pictureBox.Image = _company.Show();
+
+            _logger.LogInformation("> Adding object succeed {ship} at {count} position", ship, count);
         }
-        else
+        catch (Exception ex)
         {
-            MessageBox.Show("[!] Failed to add object");
+            MessageBox.Show("[!] Failed to add object\n" + ex.Message);
+            _logger.LogError("< Error > : {Message}", ex.Message);
         }
     }
 
     // Удаление объекта
-    private void btnRemoveCar_Click(object sender, EventArgs e)
+    private void btnRemoveShip_Click(object sender, EventArgs e)
     {
         if (string.IsNullOrEmpty(maskedTextBoxPosition.Text)
             || _company == null) return;
 
         if (MessageBox.Show("[*] Remove object: Are you sure?", "Remove",
         MessageBoxButtons.YesNo, MessageBoxIcon.Question) != DialogResult.Yes) return;
+
         int pos = Convert.ToInt32(maskedTextBoxPosition.Text);
 
-        if (_company - Convert.ToInt32(maskedTextBoxPosition.Text) != null)
+        try
         {
-            MessageBox.Show("> Object was removed");
-            pictureBox.Image = _company.Show();
+            if (_company - pos != null)
+            {
+                MessageBox.Show("> Object was removed");
+                pictureBox.Image = _company.Show();
+                _logger.LogInformation("Object at " +
+                    pos + "position was deleted successfully");
+            }
+        }
+        catch (Exception ex)
+        {
+            MessageBox.Show("[!] Failed to remove object");
+            _logger.LogError("< Error > : {Message}", ex.Message);
         }
-        else MessageBox.Show("[!] Failed to remove object");
     }
 
     // Передача объекта в другую форму
@@ -85,27 +98,37 @@ public partial class ServiceForm2 : Form
         {
             return;
         }
-        DrawningBase? car = null;
+        DrawningBase? ship = null;
         int counter = 100;
-        while (car == null)
+        while (ship == null)
         {
-            car = _company.GetRandomObject();
-            counter--;
-            if (counter <= 0)
+            try
             {
-                break;
+                ship = _company.GetRandomObject();
+                counter--;
+
+                if (counter <= 0)
+                {
+                    break;
+                }
             }
+            catch (Exception ex)
+            {
+                Console.WriteLine(ex.Message);
+                return;
+            }
+
         }
-        if (car == null)
+
+        if (ship == null)
         {
             return;
         }
 
-        OceanForm1 form = new() { SetShip = car };
+        OceanForm1 form = new() { SetShip = ship };
         form.ShowDialog();
     }
 
-    // Перерисовка коллекции
     private void btnRefresh_Click(object sender, EventArgs e)
     {
         if (_company == null)
@@ -134,7 +157,17 @@ public partial class ServiceForm2 : Form
             collType = CollectionType.List;
         }
 
-        _storageCollection.AddCollection(maskedTxtBoxCName.Text, collType);
+        try
+        {
+            _storageCollection.AddCollection(maskedTxtBoxCName.Text, collType);
+            _logger.LogInformation("Adding collection succeed : {Name}, {Type}", maskedTxtBoxCName.Text, collType);
+        }
+        catch (NullReferenceException ex)
+        {
+            Console.WriteLine(ex.Message);
+            _logger.LogError("< Error > : {Message}", ex.Message);
+        }
+
         RefreshListBoxItems();
     }
 
@@ -145,12 +178,21 @@ public partial class ServiceForm2 : Form
             MessageBox.Show("Collection was not choosed");
             return;
         }
-        if (MessageBox.Show("Are you sure?", "Removing", MessageBoxButtons.OK, MessageBoxIcon.Question) != DialogResult.OK)
+        if (MessageBox.Show("Are you sure?", "Removing",
+            MessageBoxButtons.OK, MessageBoxIcon.Question)
+            != DialogResult.OK) return;
+
+        try
         {
-            return;
+            _storageCollection.DelCollection(listBox.SelectedItem.ToString());
+            RefreshListBoxItems();
+            _logger.LogInformation("Removing collection succeed : {Name}", listBox.SelectedItem.ToString);
+        }
+        catch (NullReferenceException ex)
+        {
+            Console.WriteLine(ex.Message);
+            _logger.LogError("< Error > : {Message}", ex.Message);
         }
-        _storageCollection.DelCollection(listBox.SelectedItem.ToString());
-        RefreshListBoxItems();
     }
 
     private void RefreshListBoxItems()
@@ -158,7 +200,8 @@ public partial class ServiceForm2 : Form
         listBox.Items.Clear();
         for (int i = 0; i < _storageCollection.Keys?.Count; ++i)
         {
-            string? collName = _storageCollection.Keys?[i];
+            string? collName = _storageCollection.Keys?[i].Name;
+
             if (!string.IsNullOrEmpty(collName))
             {
                 listBox.Items.Add(collName);
@@ -187,11 +230,76 @@ public partial class ServiceForm2 : Form
         {
             case "Storage":
                 _company = new ShipSharingService(pictureBox.Width,
-                pictureBox.Height, collection);
+                    pictureBox.Height, collection);
                 break;
         }
 
         toolPanel.Enabled = true; // block of buttons at the right bottom
         RefreshListBoxItems();
     }
+
+    // saving to file
+    private void saveToolStripMenuItem_Click(object sender, EventArgs e)
+    {
+        if (saveFileDialog.ShowDialog() == DialogResult.OK)
+        {
+            try
+            {
+                _storageCollection.SaveData(saveFileDialog.FileName);
+                MessageBox.Show(" < Saved succesfully >",
+                "Result :", MessageBoxButtons.OK, MessageBoxIcon.Information);
+                _logger.LogInformation("Saving to file : {filename}", saveFileDialog.FileName);
+            }
+            catch (Exception ex)
+            {
+                MessageBox.Show(ex.Message, "Result :", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                _logger.LogError("< Error > : {Message}", ex.Message);
+            }
+        }
+    }
+
+    // loading from file
+    private void loadToolStripMenuItem_Click(object sender, EventArgs e)
+    {
+        if (openFileDialog.ShowDialog() == DialogResult.OK)
+        {
+            try
+            {
+                _storageCollection.LoadData(openFileDialog.FileName);
+
+                MessageBox.Show(" < Loaded succesfully >",
+                "Result :", MessageBoxButtons.OK, MessageBoxIcon.Information);
+                _logger.LogInformation("Loading from file : {Filename}", openFileDialog.FileName);
+
+                RefreshListBoxItems();
+            }
+            catch (Exception ex)
+            {
+                MessageBox.Show("< Failed to load >" + ex.Message,
+                    "Result :", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                _logger.LogError("< Error > : {Message}", ex.Message);
+            }
+        }
+    }
+
+    // Сортировка по сравнителю
+    private void CompareShips(IComparer<DrawningBase?> comparer)
+    {
+        if (_company == null)
+        {
+            return;
+        }
+        _company.Sort(comparer);
+        pictureBox.Image = _company.Show();
+    }
+
+    private void btnSortType_Click(object sender, EventArgs e)
+    {
+        CompareShips(new DrawningShipCompare());
+    }
+
+    private void btnSortColor_Click(object sender, EventArgs e)
+    {
+        CompareShips(new DrawningShipCompareByColor());
+    }
 }

ProjectCruiser/ServiceForm2.resx

@@ -117,4 +117,13 @@
   <resheader name="writer">
     <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
   </resheader>
+  <metadata name="menuStrip.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
+    <value>17, 17</value>
+  </metadata>
+  <metadata name="saveFileDialog.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
+    <value>217, 17</value>
+  </metadata>
+  <metadata name="openFileDialog.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
+    <value>460, 17</value>
+  </metadata>
 </root>

ProjectCruiser/serilog.json

@@ -0,0 +1,15 @@
+{
+    "Serilog": {
+        "Using": [ "Serilog.Sinks.File" ],
+        "MinimumLevel": "Debug",
+        "WriteTo": [
+            {
+                "Name": "File",
+                "Args": { "path": "log.log" }
+            }
+        ],
+        "Properties": {
+            "Application": "Sample"
+        }
+    }
+}