Bus/Bus/FormMapWithSetDoubleDeckerBus.cs

@@ -13,8 +13,6 @@ namespace Bus
 {
     public partial class FormMapWithSetDoubleDeckerBus : Form
     {
-        private MapWithSetDoubleDeckerBusGeneric<DrawingObjectBus, AbstractMap> _mapBusCollectionGeneric;
-
         private readonly Dictionary<string, AbstractMap> _mapsDict = new()
         {
             {"Простая карта", new SimpleMap() },
@@ -70,14 +68,6 @@ namespace Bus
                     map = new MyMap();
                     break;
             }
-            if(map != null)
-            {
-                _mapBusCollectionGeneric = new MapWithSetDoubleDeckerBusGeneric<DrawingObjectBus, AbstractMap>(pictureBox.Width, pictureBox.Height, map);
-            }
-            else
-            {
-                _mapBusCollectionGeneric = null;
-            }
         }
 
         private void ButtonAddBus_Click(object sender, EventArgs e)

Bus/Bus/MapWithSetDoubleDeckerBusGeneric.cs

@@ -7,8 +7,8 @@ using System.Threading.Tasks;
 namespace Bus
 {
     internal class MapWithSetDoubleDeckerBusGeneric<T, U>
-        where T : class, IDrawingObject
-        where U : AbstractMap
+       where T : class, IEquatable<T>, IDrawingObject
+       where U : AbstractMap
     {
         private readonly int _pictureWidth;
         private readonly int _pictureHeight;

Bus/Bus/SetDoubleDeckerBusGeneric.cs

@@ -6,9 +6,9 @@ using System.Threading.Tasks;
 
 namespace Bus
 {
-    internal class SetDoubleDeckerBusGeneric<T, U>
-        where T : class, IEquatable<T>, IDrawingObject
-         where U : AbstractMap
+    internal class SetDoubleDeckerBusGeneric<T>
+        where T : class, IEquatable<T>
+         
     {
         private readonly List<T> _places;
         public int Count => _places.Count;