Добавьте файлы проекта.

BL/PlanningVertex.cs

@@ -0,0 +1,39 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace GroundOrganizer
+{
+    [Serializable]
+    public class PlanningVertex : Geo.Point3d
+    {
+        public int Number { get; set; }
+        public double Red { get; set; }
+        public double Black { get; set; }
+
+        internal string PropsToString()
+        {
+            string s = ";";
+            return Number + s + X + s + Y + s + Red + s + Black;
+        }
+
+        internal void StringToProps(string line, char separator = ';')
+        {
+            string[] src = line.Split(separator);
+            try
+            {
+                Number = Int32.Parse(src[0]);
+                X = double.Parse(src[1]);
+                Y = double.Parse(src[2]);
+                Red = double.Parse(src[3]);
+                Black = double.Parse(src[4]);
+            }
+            catch
+            {
+                return;
+            }
+        }
+    }
+}