done

ProjectDumpTruck/ProjectDumpTruck/CollectionGenericObject/AbstractCompany.cs

@@ -45,7 +45,7 @@ public abstract class AbstractCompany
         _pictureWidth = picWidth;
         _pictureHeight = picHeight;
         _collection = collection;
-        _collection.SetMaxCount = GetMaxCount;
+        _collection.MaxCount = GetMaxCount;
     }
     /// <summary>
     /// Перегрузка оператора сложения для класса

ProjectDumpTruck/ProjectDumpTruck/Drawnings/ExtentionDrawningTruck.cs

@@ -18,16 +18,15 @@ public static class ExtentionDrawningTruck
     public static DrawningTruck? CreateDrawningTruck(this string info)
     {
         string[] strs = info.Split(_separatorForObject);
+
         EntityTruck? truck = EntityDumpTruck.CreateEntityDumpTruck(strs);
 
         if (truck != null) return new DrawningDumpTruck(truck);
 
 
         truck = EntityTruck.CreateEntityTruck(strs);
-        if (truck != null)
+
-        {
+        if (truck != null) return new DrawningTruck(truck);
-            return new DrawningTruck(truck);
-        }
         
         return null;
     }

ProjectDumpTruck/ProjectDumpTruck/Entities/EntityDumpTruck.cs

@@ -43,7 +43,7 @@ public class EntityDumpTruck : EntityTruck
         Tent = tent;
     }
 
-    public virtual string[] GetStringRepresentation()
+    public override string[] GetStringRepresentation()
     {
         return new[] { nameof(EntityDumpTruck), Speed.ToString(), Weight.ToString(), BodyColor.Name, AdditionalColor.Name, Awning.ToString() , Tent.ToString() };
     }

ProjectDumpTruck/ProjectDumpTruck/FormTruckCollection.Designer.cs

@@ -48,8 +48,10 @@
             pictureBox = new PictureBox();
             menuStrip = new MenuStrip();
             файлToolStripMenuItem = new ToolStripMenuItem();
-            SaveToolStripMenuItem = new ToolStripMenuItem();
+            saveToolStripMenuItem = new ToolStripMenuItem();
-            LoadToolStripMenuItem = new ToolStripMenuItem();
+            loadToolStripMenuItem = new ToolStripMenuItem();
+            saveFileDialog = new SaveFileDialog();
+            openFileDialog = new OpenFileDialog();
             groupBoxTools.SuspendLayout();
             panelStorage.SuspendLayout();
             panelCompanyTools.SuspendLayout();
@@ -255,24 +257,34 @@
             // 
             // файлToolStripMenuItem
             // 
-            файлToolStripMenuItem.DropDownItems.AddRange(new ToolStripItem[] { SaveToolStripMenuItem, LoadToolStripMenuItem });
+            файлToolStripMenuItem.DropDownItems.AddRange(new ToolStripItem[] { saveToolStripMenuItem, loadToolStripMenuItem });
             файлToolStripMenuItem.Name = "файлToolStripMenuItem";
             файлToolStripMenuItem.Size = new Size(59, 24);
             файлToolStripMenuItem.Text = "Файл";
             // 
-            // SaveToolStripMenuItem
+            // saveToolStripMenuItem
             // 
-            SaveToolStripMenuItem.Name = "SaveToolStripMenuItem";
+            saveToolStripMenuItem.Name = "saveToolStripMenuItem";
-            SaveToolStripMenuItem.ShortcutKeys = Keys.Control | Keys.S;
+            saveToolStripMenuItem.ShortcutKeys = Keys.Control | Keys.S;
-            SaveToolStripMenuItem.Size = new Size(227, 26);
+            saveToolStripMenuItem.Size = new Size(227, 26);
-            SaveToolStripMenuItem.Text = "Сохранение";
+            saveToolStripMenuItem.Text = "Сохранение";
+            saveToolStripMenuItem.Click += SaveToolStripMenuItem_Click;
             // 
-            // LoadToolStripMenuItem
+            // loadToolStripMenuItem
             // 
-            LoadToolStripMenuItem.Name = "LoadToolStripMenuItem";
+            loadToolStripMenuItem.Name = "loadToolStripMenuItem";
-            LoadToolStripMenuItem.ShortcutKeys = Keys.Control | Keys.L;
+            loadToolStripMenuItem.ShortcutKeys = Keys.Control | Keys.L;
-            LoadToolStripMenuItem.Size = new Size(227, 26);
+            loadToolStripMenuItem.Size = new Size(227, 26);
-            LoadToolStripMenuItem.Text = "Загрузка";
+            loadToolStripMenuItem.Text = "Загрузка";
+            loadToolStripMenuItem.Click += LoadToolStripMenuItem_Click;
+            // 
+            // saveFileDialog
+            // 
+            saveFileDialog.Filter = "txt file | *.txt";
+            // 
+            // openFileDialog
+            // 
+            openFileDialog.Filter = "txt file | *.txt";
             // 
             // FormTruckCollection
             // 
@@ -319,7 +331,9 @@
         private Button buttonCollectionDel;
         private MenuStrip menuStrip;
         private ToolStripMenuItem файлToolStripMenuItem;
-        private ToolStripMenuItem SaveToolStripMenuItem;
+        private ToolStripMenuItem saveToolStripMenuItem;
-        private ToolStripMenuItem LoadToolStripMenuItem;
+        private ToolStripMenuItem loadToolStripMenuItem;
+        private SaveFileDialog saveFileDialog;
+        private OpenFileDialog openFileDialog;
     }
 }

ProjectDumpTruck/ProjectDumpTruck/FormTruckCollection.cs

@@ -238,6 +238,47 @@ public partial class FormTruckCollection : Form
         panelCompanyTools.Enabled = true;
         RefreshListBoxItems();
     }
+
+    /// <summary>
+    /// Обработка нажатия "Сохранение"
+    /// </summary>
+    /// <param name="sender"></param>
+    /// <param name="e"></param>
+    private void SaveToolStripMenuItem_Click(object sender, EventArgs e)
+    {
+        if (saveFileDialog.ShowDialog() == DialogResult.OK)
+        {
+            if (_storageCollection.SaveData(saveFileDialog.FileName))
+            {
+                MessageBox.Show("Сохранение прошло успешно", "Результат", MessageBoxButtons.OK, MessageBoxIcon.Information);
+            }
+            else
+            {
+                MessageBox.Show("Не сохранилось", "Результат", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+        }
+    }
+
+    /// <summary>
+    /// Обработка нажатия "Загрузка"
+    /// </summary>
+    /// <param name="sender"></param>
+    /// <param name="e"></param>
+    private void LoadToolStripMenuItem_Click(object sender, EventArgs e)
+    {
+        if (openFileDialog.ShowDialog() == DialogResult.OK)
+        {
+            if (_storageCollection.LoadData(openFileDialog.FileName))
+            {
+                MessageBox.Show("Загрузка прошло успешно", "Результат", MessageBoxButtons.OK, MessageBoxIcon.Information);
+                RefreshListBoxItems();
+            }
+            else
+            {
+                MessageBox.Show("Не загрузилось", "Результат", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+        }
+    }
 }
 
 

ProjectDumpTruck/ProjectDumpTruck/FormTruckCollection.resx

@@ -120,4 +120,10 @@
   <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>145, 17</value>
+  </metadata>
+  <metadata name="openFileDialog.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
+    <value>310, 17</value>
+  </metadata>
 </root>

ProjectDumpTruck/ProjectDumpTruck/TruckDelegate.cs

@@ -1,15 +0,0 @@
-using ProjectDumpTruck.Drawnings;
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace ProjectDumpTruck;
-
-/// <summary>
-/// Делегат переадчи объекта класса-прорисовки
-/// </summary>
-/// <param name="truck"></param>
-public delegate void TruckDelegate(DrawningTruck truck);
-