Исправлен делегат и cancel

Excavator/Excavator/ExcavatorDelegate.cs

@@ -1,10 +0,0 @@
-using Excavator.Drawnings;
-
-namespace Excavator;
-
-/// <summary>
-/// Делегат передачи объекта класса-прорисовки
-/// </summary>
-/// <param name="excavator"></param>
-public delegate void ExcavatorDelegate(DrawningSimpleExcavator excavator);
-

Excavator/Excavator/FormExcavatorCollection.cs

@@ -35,7 +35,7 @@ public partial class FormExcavatorCollection : Form
             return;
         }
         FormExcavatorConfig form = new();
-        form.ExcavatorDelegate += SetExcavator;
+        form._excavatorDelegate += SetExcavator;
         form.Show();
     }
 

Excavator/Excavator/FormExcavatorConfig.cs

@@ -1,6 +1,5 @@
 using Excavator.Drawnings;
 using Excavator.Entities;
-using static System.Windows.Forms.VisualStyles.VisualStyleElement.TrackBar;
 
 namespace Excavator;
 /// <summary>
@@ -13,7 +12,7 @@ public partial class FormExcavatorConfig : Form
     /// <summary>
     /// Событие для передачи объекта
     /// </summary>
-    public event ExcavatorDelegate? ExcavatorDelegate;
+    public event Action<DrawningSimpleExcavator>? _excavatorDelegate;
 
     public FormExcavatorConfig()
     {
@@ -35,9 +34,9 @@ public partial class FormExcavatorConfig : Form
     /// Привязка внешнего метода к событию
     /// </summary>
     /// <param name="truckDelegate"></param>
-    public void AddEvent(ExcavatorDelegate excavatorDelegate)
+    public void AddEvent(Action<DrawningSimpleExcavator>? excavatorDelegate)
     {
-        ExcavatorDelegate += excavatorDelegate;
+        _excavatorDelegate += excavatorDelegate;
     }
 
     /// <summary>
@@ -108,7 +107,7 @@ public partial class FormExcavatorConfig : Form
     {
         if (_excavator != null)
         {
-            ExcavatorDelegate?.Invoke(_excavator);
+            _excavatorDelegate?.Invoke(_excavator);
             Close();
         }
     }