diff --git a/ArmoredVehicle/FormMachineConfig.Designer.cs b/ArmoredVehicle/FormMachineConfig.Designer.cs
index 1e6d139..1137f9f 100644
--- a/ArmoredVehicle/FormMachineConfig.Designer.cs
+++ b/ArmoredVehicle/FormMachineConfig.Designer.cs
@@ -265,7 +265,7 @@
             this.labelDopColor.Text = "Доп. цвет";
             this.labelDopColor.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
             this.labelDopColor.DragDrop += new System.Windows.Forms.DragEventHandler(this.labelDopColor_DragDrop);
-            this.labelDopColor.DragEnter += new System.Windows.Forms.DragEventHandler(this.labelColor_DragEnter);
+            this.labelDopColor.DragEnter += new System.Windows.Forms.DragEventHandler(this.labelDopColor_DragEnter);
             // 
             // labelColor
             // 
diff --git a/ArmoredVehicle/FormMachineConfig.cs b/ArmoredVehicle/FormMachineConfig.cs
index e3f586a..1dbefa1 100644
--- a/ArmoredVehicle/FormMachineConfig.cs
+++ b/ArmoredVehicle/FormMachineConfig.cs
@@ -18,7 +18,7 @@ namespace ArmoredVehicle
         DrawingArmoredVehicle _machine = null;
         private Color? color;
         private Color? Dopcolor;
-        public event MachineDelegate EventAddMachine;
+        public event Action<DrawingArmoredVehicle> EventAddMachine;
         /// <summary>
         /// Конструктор
         /// </summary>
@@ -49,11 +49,11 @@ namespace ArmoredVehicle
             pictureBoxObject.Image = bmp;
         }
        
-        public void AddEvent(MachineDelegate ev)
+        public void AddEvent(Action<DrawingArmoredVehicle> ev)
         {
             if(EventAddMachine == null)
             {
-                EventAddMachine = new MachineDelegate(ev);
+                EventAddMachine = new (ev);
             }
             else
             {
@@ -126,6 +126,22 @@ namespace ArmoredVehicle
             }
         }
 
+        private void labelDopColor_DragEnter(object sender, DragEventArgs e)
+        {
+            if(_machine is DrawingTank)
+            {
+                if (e.Data.GetDataPresent(typeof(Color)))
+                {
+                    e.Effect = DragDropEffects.Copy;
+                }
+                else
+                {
+                    e.Effect = DragDropEffects.None;
+                }
+            }
+            
+        }
+
         private void labelDopColor_DragDrop(object sender, DragEventArgs e)
         {
             var color = (Color)e.Data.GetData(typeof(Color));
diff --git a/ArmoredVehicle/MachineDelegate.cs b/ArmoredVehicle/MachineDelegate.cs
deleted file mode 100644
index 458366c..0000000
--- a/ArmoredVehicle/MachineDelegate.cs
+++ /dev/null
@@ -1,10 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace ArmoredVehicle
-{
-    public delegate void MachineDelegate(DrawingArmoredVehicle machine);
-}