Создан класс ExtentionLocomotive, изменение цвета в FormLocomotiveConfig решено

ProjectLocomotive/ProjectLocomotive/ExtentionLocomotive.cs

@@ -0,0 +1,48 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ProjectLocomotive
+{
+    internal static class ExtentionLocomotive
+    {
+        private static readonly char _separatorForObject = ':';
+        public static string getDataForSave(this DrawningLocomotive drawningLocomotive)
+        {
+            var locomotive = drawningLocomotive.Locomotivе;
+            var str = $"{locomotive.Speed}{_separatorForObject}{locomotive.Weight}{_separatorForObject}{locomotive.BodyColor.Name}";
+            if (locomotive is not EntityElectricLocomotive warmlyLocomotive)
+            {
+                return str;
+            }
+            return $"{str}{_separatorForObject}{warmlyLocomotive.DopColor.Name}{_separatorForObject}{warmlyLocomotive.ElectroLines}{_separatorForObject}{warmlyLocomotive.ElectroBattery}";
+        }
+
+        public static DrawningLocomotive createDrawningLocomotive(this string info)
+        {
+            string[] strs = info.Split(_separatorForObject);
+            if (strs.Length == 3)
+            {
+                return new DrawningLocomotive(
+                    Convert.ToInt32(strs[0]),
+                    Convert.ToInt32(strs[1]),
+                    Color.FromName(strs[2])
+                );
+            }
+            if (strs.Length == 6)
+            {
+                return new DrawningElectroLocomotive(
+                    Convert.ToInt32(strs[0]),
+                    Convert.ToInt32(strs[1]),
+                    Color.FromName(strs[2]),
+                    Color.FromName(strs[3]),
+                    Convert.ToBoolean(strs[4]),
+                    Convert.ToBoolean(strs[5])
+                );
+            }
+            return null;
+        }
+    }
+}

ProjectLocomotive/ProjectLocomotive/FormLocomotiveConfig.Designer.cs

@@ -172,7 +172,7 @@
             // 
             // panelGreen
             // 
-            this.panelGreen.BackColor = System.Drawing.Color.FromArgb(((int)(((byte)(0)))), ((int)(((byte)(192)))), ((int)(((byte)(0)))));
+            this.panelGreen.BackColor = System.Drawing.Color.Green;
             this.panelGreen.Location = new System.Drawing.Point(90, 39);
             this.panelGreen.Margin = new System.Windows.Forms.Padding(4);
             this.panelGreen.Name = "panelGreen";