ProjectCruiser/CollectionGenericObj/AbstractCompany.cs

@@ -30,17 +30,13 @@ public abstract class AbstractCompany
     }
 
     // Перегрузка оператора сложения для класса
+    // [ ! ] insted of bool:
     public static int operator +(AbstractCompany company,
-        DrawningBase transport) => company._collection.Insert(transport, new DrawiningShipEqutables());
+        DrawningBase trasport) => company._collection.Insert(trasport);
 
     // 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()

ProjectCruiser/CollectionGenericObj/ArrayGenObj.cs

@@ -1,5 +1,4 @@
-using ProjectCruiser.DrawningSamples;
+using ProjectCruiser.Exceptions;
-using ProjectCruiser.Exceptions;
 
 namespace ProjectCruiser.CollectionGenericObj;
 
@@ -47,19 +46,16 @@ public class ArrayGenObj<T> : ICollectionGenObj<T>
             throw new ObjectNotFoundException(index);
 
         return _collection[index];
+
+        // CollectionOverflowException
+        // PositionOutOfCollectionException
+        // ObjectNotFoundException
     }
 
-    public int Insert(T? item, IEqualityComparer<DrawningBase?>? cmpr = null)
+    public int Insert(T? item)
     {
         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);
@@ -74,23 +70,18 @@ public class ArrayGenObj<T> : ICollectionGenObj<T>
             }
         }
         return Count;
+
+        // NullReferenceException
+        // CollectionOverflowException
     }
 
-    public int Insert(T? item, int index, IEqualityComparer<DrawningBase?>? cmpr = null)
+    public int Insert(T? item, int index)
     {
-
         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)
         {
@@ -113,6 +104,10 @@ public class ArrayGenObj<T> : ICollectionGenObj<T>
             _collection[firstNullIndex] = item;
             return firstNullIndex;
         }
+
+        // PositionOutOfCollectionException
+        // CollectionOverflowException
+        // NullReferenceException
     }
 
     public T? Remove(int index)
@@ -129,6 +124,9 @@ public class ArrayGenObj<T> : ICollectionGenObj<T>
         if (item == null) throw new ObjectNotFoundException(index);
 
         return item;
+
+        // PositionOutOfCollectionException
+        // ObjectNotFoundException
     }
 
     public IEnumerable<T?> GetItems()
@@ -138,10 +136,5 @@ public class ArrayGenObj<T> : ICollectionGenObj<T>
             yield return _collection[i];
         }
     }
-
-    void ICollectionGenObj<T>.CollectionSort(IComparer<T?> comparer)
-    {
-        Array.Sort(_collection, comparer);
-    }
 }
 

ProjectCruiser/CollectionGenericObj/CollectionInfo.cs

@@ -1,63 +0,0 @@
-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

@@ -1,6 +1,4 @@
-using ProjectCruiser.DrawningSamples;
+namespace ProjectCruiser.CollectionGenericObj;
-
-namespace ProjectCruiser.CollectionGenericObj;
 
 public interface ICollectionGenObj<T> where T : class
 {
@@ -13,8 +11,8 @@ public interface ICollectionGenObj<T> where T : class
     /// Добавление объекта в коллекцию
     /// <param name="obj">Добавляемый объект</param>
     /// <returns>true - вставка прошла удачно, false - вставка не удалась</returns>
-    int Insert(T obj, IEqualityComparer<DrawningBase?>? cmpr = null);
+    int Insert(T obj);
-    int Insert(T obj, int position, IEqualityComparer<DrawningBase?>? cmpr = null);
+    int Insert(T obj, int position);
 
     /// Удаление объекта из коллекции с конкретной позиции
     /// <param name="position">Позиция</param>
@@ -29,8 +27,4 @@ public interface ICollectionGenObj<T> where T : class
 
     // 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 +1,4 @@
-using ProjectCruiser.DrawningSamples;
+using ProjectCruiser.Exceptions;
-using ProjectCruiser.Exceptions;
 
 namespace ProjectCruiser.CollectionGenericObj;
 
@@ -49,17 +48,10 @@ public class ListGenObj<T> : ICollectionGenObj<T>
         return _collection[position];
     }
 
-    public int Insert(T? obj, IEqualityComparer<DrawningBase?>? cmpr = null)
+    public int Insert(T? obj)
     {
         if (obj == null)
             throw new NullReferenceException("> Inserting object is null");
-        else
-        {
-            if (cmpr != null && obj == cmpr)
-            {
-                throw new Exception();
-            }
-        }
 
         // выход за границы, курируется CollectionOverflowException
         if (Count >= _maxCount) throw new CollectionOverflowException(Count);
@@ -68,7 +60,7 @@ public class ListGenObj<T> : ICollectionGenObj<T>
         return Count;
     }
 
-    public int Insert(T? obj, int position, IEqualityComparer<DrawningBase?>? cmpr = null)
+    public int Insert(T? obj, int position)
     {
         if (position < 0 || position >= _maxCount)
             throw new PositionOutOfCollectionException(position);
@@ -76,13 +68,6 @@ public class ListGenObj<T> : ICollectionGenObj<T>
 
         if (obj == null)
             throw new NullReferenceException("> Inserting object (at position) is null");
-        else
-        {
-            if (cmpr != null && obj == cmpr)
-            {
-                throw new Exception();
-            }
-        }
 
         _collection.Insert(position, obj);
         return position;
@@ -111,9 +96,4 @@ public class ListGenObj<T> : ICollectionGenObj<T>
             yield return _collection[i];
         }
     }
-
-    void ICollectionGenObj<T>.CollectionSort(IComparer<T?> comparer)
-    {
-        _collection.Sort(comparer);
-    }
 }

ProjectCruiser/CollectionGenericObj/StorageCollection.cs

@@ -1,58 +1,56 @@
-using System.CodeDom;
+using System.Security.Cryptography;
 using System.Text;
 using ProjectCruiser.DrawningSamples;
+using ProjectCruiser.Exceptions;
 
 namespace ProjectCruiser.CollectionGenericObj;
 
 public class StorageCollection<T>
     where T : DrawningBase // class
 {
+    // Разделитель для записи ключа и значения элемента словаря
     private readonly string _separatorForKeyValue = "|";
+    // Разделитель для записей коллекции данных в файл
     private readonly string _separatorItems = ";";
+
+    // Ключевое слово, с которого должен начинаться файл
     private readonly string _collectionKey = "CollectionsStorage";
 
-    // Словарь (хранилище) с коллекциями < CollectionInfo, type (class) >
+    // Словарь (хранилище) с коллекциями < name, type (class) >
-    readonly Dictionary<CollectionInfo, ICollectionGenObj<T>> _storages;
+    readonly Dictionary<string, ICollectionGenObj<T>> _storages;
 
-    // Возвращение списка коллекций
+    // Возвращение списка названий коллекций
-    public List<CollectionInfo> Keys => _storages.Keys.ToList();
+    public List<string> Keys => _storages.Keys.ToList();
 
     public StorageCollection()
     {
-        _storages = new Dictionary<CollectionInfo, ICollectionGenObj<T>>();
+        _storages = new Dictionary<string, ICollectionGenObj<T>>();
     }
 
     // Добавление коллекции в хранилище
     public void AddCollection(string name, CollectionType collType)
     {
-        // descroption [ ? ] >>>
+        if (name == null || _storages.ContainsKey(name)
-        CollectionInfo coll = new CollectionInfo(name, collType, string.Empty);
-
-        if (name == null || _storages.ContainsKey(coll)
             || collType == CollectionType.None)
         {
             throw new NullReferenceException("> Not enough information to save");
         }
 
-        _storages.Add(coll, CreateCollection(collType));
+        ICollectionGenObj<T> collection = CreateCollection(collType);
+        _storages.Add(name, collection);
     }
 
     // Удаление коллекции ( по ключу-строке - её имени )
     public void DelCollection(string name)
     {
-        // descroption [ ? ] >>>
+        if (_storages.ContainsKey(name)) _storages.Remove(name);
-        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 , индексатор [!!!]
+    // Доступ к коллекции ( по ключу-строке - её имени ) - индексатор [!!!]
     public ICollectionGenObj<T>? this[string name]
     {
-        get => _storages.ContainsKey(new CollectionInfo(name, CollectionType.None, string.Empty))
+        get => _storages.ContainsKey(name) ? _storages[name] : null;
-            ? _storages[new CollectionInfo(name, CollectionType.None, string.Empty)] : null;
     }
 
     /// Сохранение информации по автомобилям в хранилище в файл
@@ -70,14 +68,15 @@ public class StorageCollection<T>
 
         sb.Append(_collectionKey); // const
 
-        foreach (KeyValuePair<CollectionInfo, ICollectionGenObj<T>> pair in _storages)
+        foreach (KeyValuePair<string, 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.GetCollectionType);
+            sb.Append(_separatorForKeyValue);
             sb.Append(pair.Value.MaxCount);
             sb.Append(_separatorForKeyValue);
 
@@ -145,19 +144,18 @@ public class StorageCollection<T>
         foreach (string data in companies)
         {
             string[] record = data.Split(_separatorForKeyValue, StringSplitOptions.RemoveEmptyEntries);
-            if (record.Length != 3) // >
+            if (record.Length != 4) // >
-                // [key + collType] | maxcount | all next inf > 4
+                // key | collType | maxcount | all next inf > 4
             { continue; }
 
-            CollectionInfo? collInfo = CollectionInfo.GetCollectionInfo(record[0]) ??
+            CollectionType collectionType = (CollectionType)Enum.Parse(typeof(CollectionType), record[1]);
-                throw new Exception("[!] Failed to decode information : " + record[0]);
+            ICollectionGenObj<T>? collection = StorageCollection<T>.CreateCollection(collectionType);
+            
+            if (collection == null)
+                throw new NullReferenceException("[!] Failed to create collection");
 
-            ICollectionGenObj<T>? collection = StorageCollection<T>.CreateCollection(
+            collection.MaxCount = Convert.ToInt32(record[2]);
-                collInfo.CollectionType) ??
+            string[] set = record[3].Split(_separatorItems,
-                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)
@@ -167,6 +165,10 @@ public class StorageCollection<T>
                     try
                     {
                         collection.Insert(ship);
+
+                        // throw new IndexOutOfRangeException IF IT WAS Insert(item, pos)
+                        // NullReferenceException >
+                        // CollectionOverflowException >
                     }
                     catch (Exception e)
                     {
@@ -174,7 +176,7 @@ public class StorageCollection<T>
                     }
                 }
             }
-            _storages.Add(collInfo, collection);
+            _storages.Add(record[0], collection);
         }
     }
 }

ProjectCruiser/DrawningSamples/DrawningShipCompare.cs

@@ -1,31 +0,0 @@
-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

@@ -1,34 +0,0 @@
-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

@@ -1,45 +0,0 @@
-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/ServiceForm2.Designer.cs

@@ -52,8 +52,6 @@
             loadToolStripMenuItem = new ToolStripMenuItem();
             saveFileDialog = new SaveFileDialog();
             openFileDialog = new OpenFileDialog();
-            btnSortType = new Button();
-            btnSortColor = new Button();
             groupBox.SuspendLayout();
             companyPanel.SuspendLayout();
             toolPanel.SuspendLayout();
@@ -66,7 +64,7 @@
             comboBoxArrList.Anchor = AnchorStyles.Top | AnchorStyles.Bottom | AnchorStyles.Left | AnchorStyles.Right;
             comboBoxArrList.FormattingEnabled = true;
             comboBoxArrList.Items.AddRange(new object[] { "Storage" });
-            comboBoxArrList.Location = new Point(17, 38);
+            comboBoxArrList.Location = new Point(17, 51);
             comboBoxArrList.Name = "comboBoxArrList";
             comboBoxArrList.Size = new Size(241, 40);
             comboBoxArrList.TabIndex = 0;
@@ -79,9 +77,9 @@
             groupBox.Controls.Add(toolPanel);
             groupBox.Controls.Add(btnCreateCompany);
             groupBox.Controls.Add(comboBoxArrList);
-            groupBox.Location = new Point(1421, 43);
+            groupBox.Location = new Point(1421, 47);
             groupBox.Name = "groupBox";
-            groupBox.Size = new Size(273, 964);
+            groupBox.Size = new Size(273, 934);
             groupBox.TabIndex = 2;
             groupBox.TabStop = false;
             groupBox.Text = "Tool panel";
@@ -95,17 +93,17 @@
             companyPanel.Controls.Add(rBtnArray);
             companyPanel.Controls.Add(maskedTxtBoxCName);
             companyPanel.Controls.Add(label);
-            companyPanel.Location = new Point(17, 83);
+            companyPanel.Location = new Point(17, 98);
             companyPanel.Name = "companyPanel";
-            companyPanel.Size = new Size(243, 359);
+            companyPanel.Size = new Size(243, 391);
             companyPanel.TabIndex = 7;
             // 
             // btnDeleteCollection
             // 
             btnDeleteCollection.Anchor = AnchorStyles.Top | AnchorStyles.Bottom | AnchorStyles.Left | AnchorStyles.Right;
-            btnDeleteCollection.Location = new Point(16, 276);
+            btnDeleteCollection.Location = new Point(15, 312);
             btnDeleteCollection.Name = "btnDeleteCollection";
-            btnDeleteCollection.Size = new Size(214, 76);
+            btnDeleteCollection.Size = new Size(214, 73);
             btnDeleteCollection.TabIndex = 11;
             btnDeleteCollection.Text = "Remove Collection";
             btnDeleteCollection.UseVisualStyleBackColor = true;
@@ -114,17 +112,17 @@
             // listBox
             // 
             listBox.FormattingEnabled = true;
-            listBox.Location = new Point(16, 171);
+            listBox.Location = new Point(16, 174);
             listBox.Name = "listBox";
-            listBox.Size = new Size(214, 100);
+            listBox.Size = new Size(214, 132);
             listBox.TabIndex = 10;
             // 
             // btnAddCollection
             // 
             btnAddCollection.Anchor = AnchorStyles.Top | AnchorStyles.Bottom | AnchorStyles.Left | AnchorStyles.Right;
-            btnAddCollection.Location = new Point(15, 118);
+            btnAddCollection.Location = new Point(15, 119);
             btnAddCollection.Name = "btnAddCollection";
-            btnAddCollection.Size = new Size(214, 49);
+            btnAddCollection.Size = new Size(214, 50);
             btnAddCollection.TabIndex = 7;
             btnAddCollection.Text = "Add Collection";
             btnAddCollection.UseVisualStyleBackColor = true;
@@ -144,7 +142,7 @@
             // rBtnArray
             // 
             rBtnArray.AutoSize = true;
-            rBtnArray.Location = new Point(16, 79);
+            rBtnArray.Location = new Point(16, 80);
             rBtnArray.Name = "rBtnArray";
             rBtnArray.Size = new Size(100, 36);
             rBtnArray.TabIndex = 8;
@@ -171,25 +169,23 @@
             // 
             // 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, 537);
+            toolPanel.Location = new Point(26, 608);
             toolPanel.Name = "toolPanel";
-            toolPanel.Size = new Size(226, 415);
+            toolPanel.Size = new Size(226, 317);
             toolPanel.TabIndex = 13;
             // 
             // btnUpdate
             // 
             btnUpdate.Anchor = AnchorStyles.Top | AnchorStyles.Bottom | AnchorStyles.Left | AnchorStyles.Right;
-            btnUpdate.Location = new Point(16, 350);
+            btnUpdate.Location = new Point(16, 257);
             btnUpdate.Name = "btnUpdate";
-            btnUpdate.Size = new Size(193, 57);
+            btnUpdate.Size = new Size(192, 41);
             btnUpdate.TabIndex = 6;
             btnUpdate.Text = "Update";
             btnUpdate.UseVisualStyleBackColor = true;
@@ -198,9 +194,9 @@
             // btnTest
             // 
             btnTest.Anchor = AnchorStyles.Top | AnchorStyles.Bottom | AnchorStyles.Left | AnchorStyles.Right;
-            btnTest.Location = new Point(17, 142);
+            btnTest.Location = new Point(17, 162);
             btnTest.Name = "btnTest";
-            btnTest.Size = new Size(192, 80);
+            btnTest.Size = new Size(192, 89);
             btnTest.TabIndex = 5;
             btnTest.Text = "Choose\r\nfor testing";
             btnTest.UseVisualStyleBackColor = true;
@@ -209,7 +205,7 @@
             // maskedTextBoxPosition
             // 
             maskedTextBoxPosition.Anchor = AnchorStyles.Top | AnchorStyles.Bottom | AnchorStyles.Left | AnchorStyles.Right;
-            maskedTextBoxPosition.Location = new Point(17, 55);
+            maskedTextBoxPosition.Location = new Point(17, 68);
             maskedTextBoxPosition.Mask = "00";
             maskedTextBoxPosition.Name = "maskedTextBoxPosition";
             maskedTextBoxPosition.Size = new Size(192, 39);
@@ -219,9 +215,9 @@
             // btnDelete
             // 
             btnDelete.Anchor = AnchorStyles.Top | AnchorStyles.Bottom | AnchorStyles.Left | AnchorStyles.Right;
-            btnDelete.Location = new Point(17, 99);
+            btnDelete.Location = new Point(16, 113);
             btnDelete.Name = "btnDelete";
-            btnDelete.Size = new Size(192, 41);
+            btnDelete.Size = new Size(192, 43);
             btnDelete.TabIndex = 4;
             btnDelete.Text = "Delete";
             btnDelete.UseVisualStyleBackColor = true;
@@ -230,9 +226,9 @@
             // btnAddCruiser
             // 
             btnAddCruiser.Anchor = AnchorStyles.Top | AnchorStyles.Bottom | AnchorStyles.Left | AnchorStyles.Right;
-            btnAddCruiser.Location = new Point(16, 4);
+            btnAddCruiser.Location = new Point(17, 13);
             btnAddCruiser.Name = "btnAddCruiser";
-            btnAddCruiser.Size = new Size(192, 48);
+            btnAddCruiser.Size = new Size(192, 49);
             btnAddCruiser.TabIndex = 2;
             btnAddCruiser.Text = "Add cruiser";
             btnAddCruiser.UseVisualStyleBackColor = true;
@@ -241,9 +237,9 @@
             // btnCreateCompany
             // 
             btnCreateCompany.Anchor = AnchorStyles.Top | AnchorStyles.Bottom | AnchorStyles.Left | AnchorStyles.Right;
-            btnCreateCompany.Location = new Point(17, 447);
+            btnCreateCompany.Location = new Point(16, 510);
             btnCreateCompany.Name = "btnCreateCompany";
-            btnCreateCompany.Size = new Size(245, 85);
+            btnCreateCompany.Size = new Size(245, 79);
             btnCreateCompany.TabIndex = 12;
             btnCreateCompany.Text = "Create or switch to Company";
             btnCreateCompany.UseVisualStyleBackColor = true;
@@ -299,28 +295,6 @@
             // 
             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);
@@ -370,7 +344,5 @@
         private ToolStripMenuItem loadToolStripMenuItem;
         private SaveFileDialog saveFileDialog;
         private OpenFileDialog openFileDialog;
-        private Button btnSortColor;
-        private Button btnSortType;
     }
 }

ProjectCruiser/ServiceForm2.cs

@@ -177,8 +177,7 @@ public partial class ServiceForm2 : Form
         {
             MessageBox.Show("Collection was not choosed");
             return;
-        }
+        } if (MessageBox.Show("Are you sure?", "Removing",
-        if (MessageBox.Show("Are you sure?", "Removing",
             MessageBoxButtons.OK, MessageBoxIcon.Question)
             != DialogResult.OK) return;
 
@@ -200,8 +199,7 @@ public partial class ServiceForm2 : Form
         listBox.Items.Clear();
         for (int i = 0; i < _storageCollection.Keys?.Count; ++i)
         {
-            string? collName = _storageCollection.Keys?[i].Name;
+            string? collName = _storageCollection.Keys?[i];
-
             if (!string.IsNullOrEmpty(collName))
             {
                 listBox.Items.Add(collName);
@@ -266,6 +264,12 @@ public partial class ServiceForm2 : Form
             try
             {
                 _storageCollection.LoadData(openFileDialog.FileName);
+                // LoadData() : Exceptions
+                // FileNotFoundException
+                // NullReferenceException
+                // InvalidDataException
+                // IndexOutOfRangeException
+                // CollectionOverflowException
 
                 MessageBox.Show(" < Loaded succesfully >",
                 "Result :", MessageBoxButtons.OK, MessageBoxIcon.Information);
@@ -281,25 +285,4 @@ public partial class ServiceForm2 : Form
             }
         }
     }
-
-    // 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());
-    }
 }