Icons for force result were added

StructureHelperLogics/NdmCalculations/Analyses/ByForces/LimitCurve/SurroundData.cs

@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace StructureHelperLogics.NdmCalculations.Analyses.ByForces
+{
+    public class SurroundData
+    {
+        public double XMax { get; set; }
+        public double XMin { get; set; }
+        public double YMax { get; set; }
+        public double YMin { get; set; }
+        public int PointCount { get; set; }
+    }
+}