lab4 is done

ProjectTank/ProjectTank/ArmoredTransportCollectionForm.cs

@@ -65,8 +65,7 @@ namespace ProjectTank
         /// </summary>
         /// <param name="sender"></param>
         /// <param name="e"></param>
-        private void ListBoxObjects_SelectedIndexChanged(object sender,
-        EventArgs e)
+        private void ListBoxObjects_SelectedIndexChanged(object sender,EventArgs e)
         {
             pictureBoxCollection.Image =
             _storage[listBoxStorages.SelectedItem?.ToString() ?? string.Empty]?.ShowArmoredTransports();
@@ -82,10 +81,19 @@ namespace ProjectTank
             {
                 return;
             }
-            if (MessageBox.Show($"Удалить объект{listBoxStorages.SelectedItem}?", "Удаление", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes)
-{
+            if (MessageBox.Show($"Удалить объект {listBoxStorages.SelectedItem}?", "Удаление", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes){
                 _storage.DelSet(listBoxStorages.SelectedItem.ToString()??string.Empty);
                 ReloadObjects();
+                if (listBoxStorages.SelectedIndex == -1)
+                {
+                    return;
+                }
+                var obj = _storage[listBoxStorages.SelectedItem.ToString() ?? string.Empty];
+                if (obj == null)
+                {
+                    return;
+                }
+                pictureBoxCollection.Image = obj.ShowArmoredTransports();
             }
         }
         /// <summary>
@@ -134,7 +142,8 @@ namespace ProjectTank
             {
                 return;
             }
-            if (MessageBox.Show("Удалить объект?", "Удаление", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.No)
+            if (MessageBox.Show("Удалить объект?", "Удаление", MessageBoxButtons.YesNo,
+                                MessageBoxIcon.Question) == DialogResult.No)
             {
                 return;
             }
@@ -154,8 +163,7 @@ namespace ProjectTank
         /// </summary>
         /// <param name="sender"></param>
         /// <param name="e"></param>
-        private void ButtonRefreshCollection_Click(object sender, EventArgs
-        e)
+        private void ButtonRefreshCollection_Click(object sender, EventArgs e)
         {
             if (listBoxStorages.SelectedIndex == -1)
             {

ProjectTank/ProjectTank/ArmoredTransportsGenericCollection.cs

@@ -123,7 +123,6 @@ namespace ProjectTank.Generics
                 }
                 g.DrawLine(pen, i * _placeSizeWidth, 0, i * _placeSizeWidth,
                            _pictureHeight / _placeSizeHeight * _placeSizeHeight);
-                
             }
         }
         /// <summary>
@@ -132,7 +131,7 @@ namespace ProjectTank.Generics
         /// <param name="g"></param>
         private void DrawObjects(Graphics g)
         {
-            int width = (_pictureWidth / _placeSizeWidth) / 2;
+            int width = (_pictureWidth / _placeSizeWidth);
             int height = _pictureHeight / _placeSizeHeight;
             int i = 0;
             foreach (var armoredTransport in _collection.GetArmoredTrasports())

ProjectTank/ProjectTank/ArmoredTransportsGenericStorage.cs

@@ -12,7 +12,8 @@ namespace ProjectTank.Generics
         /// <summary>
         /// Словарь (хранилище)
         /// </summary>
-        readonly Dictionary<string, ArmoredTransportsGenericCollection<DrawningArmoredTransport, DrawningObjectArmoredTransport>> _armoredTransportStorages;
+        readonly Dictionary<string, ArmoredTransportsGenericCollection<DrawningArmoredTransport,
+                                                                        DrawningObjectArmoredTransport>> _armoredTransportStorages;
         /// <summary>
         /// Возвращение списка названий наборов
         /// </summary>
@@ -32,7 +33,8 @@ namespace ProjectTank.Generics
         /// <param name="pictureHeight"></param>
         public ArmoredTransportsGenericStorage(int pictureWidth, int pictureHeight)
         {
-            _armoredTransportStorages = new Dictionary<string, ArmoredTransportsGenericCollection<DrawningArmoredTransport, DrawningObjectArmoredTransport>>();
+            _armoredTransportStorages = new Dictionary<string, ArmoredTransportsGenericCollection<DrawningArmoredTransport,
+                                                                                                  DrawningObjectArmoredTransport>>();
             _pictureWidth = pictureWidth;
             _pictureHeight = pictureHeight;
         }
@@ -42,7 +44,9 @@ namespace ProjectTank.Generics
         /// <param name="name">Название набора</param>
         public void AddSet(string name)
         {
-            _armoredTransportStorages.Add(name, new ArmoredTransportsGenericCollection<DrawningArmoredTransport, DrawningObjectArmoredTransport>(_pictureWidth, _pictureHeight));
+            _armoredTransportStorages.Add(name, new ArmoredTransportsGenericCollection<DrawningArmoredTransport,
+                                                                                        DrawningObjectArmoredTransport>(_pictureWidth,
+                                                                                                                        _pictureHeight));
         }
         /// <summary>
         /// Удаление набора