done

DumpTruck/DumpTruck/DrawingDumpCar.cs

@@ -75,6 +75,8 @@ namespace DumpTruck.DrawningObjects
             ((EntityDumpTruck)EntityCar).AdditionalColor = color;
         }
 
+       
+
     }
 }
 

DumpTruck/DumpTruck/DrawningCar.cs

@@ -161,5 +161,7 @@ width, int height, int carWidth, int carHeight)
             EntityCar.BodyColor = color;
            
         }
+
+        
     }
 }

DumpTruck/DumpTruck/EntityCar.cs

@@ -42,5 +42,10 @@ namespace DumpTruck.Entities
             BodyColor = color;
         }
 
+        public override string ToString()
+        {
+            char _separatorForObject = ':';
+            return $"{Speed}{_separatorForObject}{Weight}{_separatorForObject}{BodyColor.Name}";
+        }
     }
 }

DumpTruck/DumpTruck/EntityDumpTruck.cs

@@ -41,6 +41,13 @@ namespace DumpTruck.Entities
         {
             AdditionalColor = color;
         }
+
+        public override string ToString()
+        {
+            char _separatorForObject = ':';
+            return $"{base.ToString()}{_separatorForObject}{AdditionalColor.Name}" +
+            $"{_separatorForObject}{BodyKit}{_separatorForObject}{Tent}";
+        }
     }
 
 }

DumpTruck/DumpTruck/ExtentionDrawningCarDop.cs

@@ -0,0 +1,53 @@
+using DumpTruck.DrawningObjects;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using DumpTruck.Entities;
+
+namespace DumpTruck
+{
+    public static class ExtentionDrawningCarDop
+    {
+        public static DrawningCar? CreateDrawningCarDop(this string info, char
+separatorForObject, int width, int height)
+        {
+            string[] strs = info.Split(separatorForObject);
+            if (strs.Length == 3)
+            {
+                return new DrawningCar(Convert.ToInt32(strs[0]),
+                Convert.ToInt32(strs[1]), Color.FromName(strs[2]), width, height);
+            }
+
+            if (strs.Length == 6)
+            {
+                return new DrawningDumpTruck(Convert.ToInt32(strs[0]),
+                Convert.ToInt32(strs[1]),
+                Color.FromName(strs[2]),
+                Color.FromName(strs[3]),
+                Convert.ToBoolean(strs[4]),
+                Convert.ToBoolean(strs[5]), width, height);
+            }
+            return null;
+        }
+
+        public static string GetDataForSaveDop(this DrawningCar drawningCar,
+char separatorForObject)
+        {
+            var car = drawningCar.EntityCar;
+            if (car == null)
+            {
+                return string.Empty;
+            }
+            var str = car.ToString();
+            if (car is not EntityDumpTruck dumpTruck)
+            {
+                return str;
+            }
+            return car.ToString();
+
+        }
+
+    }
+}

DumpTruck/DumpTruck/FormCarCollection.Designer.cs

@@ -41,6 +41,7 @@
             this.listBoxStorages = new System.Windows.Forms.ListBox();
             this.ButtonAddObject = new System.Windows.Forms.Button();
             this.menuStrip = new System.Windows.Forms.MenuStrip();
+            this.файлToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
             this.LoadToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
             this.SaveToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
             this.openFileDialog = new System.Windows.Forms.OpenFileDialog();
@@ -170,25 +171,33 @@
             // menuStrip
             // 
             this.menuStrip.Items.AddRange(new System.Windows.Forms.ToolStripItem[] {
-            this.LoadToolStripMenuItem,
-            this.SaveToolStripMenuItem});
+            this.файлToolStripMenuItem});
             this.menuStrip.Location = new System.Drawing.Point(0, 0);
             this.menuStrip.Name = "menuStrip";
             this.menuStrip.Size = new System.Drawing.Size(848, 24);
             this.menuStrip.TabIndex = 2;
             this.menuStrip.Text = "Файл";
             // 
+            // файлToolStripMenuItem
+            // 
+            this.файлToolStripMenuItem.DropDownItems.AddRange(new System.Windows.Forms.ToolStripItem[] {
+            this.LoadToolStripMenuItem,
+            this.SaveToolStripMenuItem});
+            this.файлToolStripMenuItem.Name = "файлToolStripMenuItem";
+            this.файлToolStripMenuItem.Size = new System.Drawing.Size(48, 20);
+            this.файлToolStripMenuItem.Text = "Файл";
+            // 
             // LoadToolStripMenuItem
             // 
             this.LoadToolStripMenuItem.Name = "LoadToolStripMenuItem";
-            this.LoadToolStripMenuItem.Size = new System.Drawing.Size(67, 20);
+            this.LoadToolStripMenuItem.Size = new System.Drawing.Size(180, 22);
             this.LoadToolStripMenuItem.Text = "Загрузка";
             this.LoadToolStripMenuItem.Click += new System.EventHandler(this.LoadToolStripMenuItem_Click);
             // 
             // SaveToolStripMenuItem
             // 
             this.SaveToolStripMenuItem.Name = "SaveToolStripMenuItem";
-            this.SaveToolStripMenuItem.Size = new System.Drawing.Size(86, 20);
+            this.SaveToolStripMenuItem.Size = new System.Drawing.Size(180, 22);
             this.SaveToolStripMenuItem.Text = "Сохранение";
             this.SaveToolStripMenuItem.Click += new System.EventHandler(this.SaveToolStripMenuItem_Click);
             // 
@@ -240,9 +249,10 @@
         private Button ButtonDelObject_;
         private TextBox textBoxStorageName;
         private MenuStrip menuStrip;
-        private ToolStripMenuItem LoadToolStripMenuItem;
-        private ToolStripMenuItem SaveToolStripMenuItem;
         private OpenFileDialog openFileDialog;
         private SaveFileDialog saveFileDialog;
+        private ToolStripMenuItem файлToolStripMenuItem;
+        private ToolStripMenuItem LoadToolStripMenuItem;
+        private ToolStripMenuItem SaveToolStripMenuItem;
     }
 }