ProjectDumpTruck/ProjectDumpTruck/FormTruckCollection.cs

@@ -54,6 +54,11 @@ public partial class FormTruckCollection : Form
         form.Show();
     }
 
+    private void Dop_1()
+    {
+        FormTruckConfig form = new();
+    }
+
     /// <summary>
     /// Добавление автомобиля в коллекцию
     /// </summary>

ProjectDumpTruck/ProjectDumpTruck/FormTruckConfig.cs

@@ -35,6 +35,7 @@ namespace ProjectDumpTruck
             panelWhite.MouseDown += Panel_MouseDown;
             panelBlack.MouseDown += Panel_MouseDown;
             panelPurple.MouseDown += Panel_MouseDown;
+            panelGray.MouseDown += Panel_MouseDown;
 
             buttonCancel.Click += (object sender, EventArgs e) => Close();
         }
@@ -46,7 +47,7 @@ namespace ProjectDumpTruck
         public void AddEvent(Action<DrawningTruck> truckDelegate)
         {
             DrawningTruckEvent += truckDelegate;
-        }
+        }    
 
 
         /// <summary>
@@ -164,7 +165,5 @@ namespace ProjectDumpTruck
                 Close();
             }
         }
-
-
     }
 }