CompressedProperty was added

StructureHelperCommon/Models/Sections/ICompressedMember.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace StructureHelperCommon.Models.Sections
+{
+    public interface ICompressedMember : ICloneable
+    {
+        bool Buckling { get; set; }
+        double GeometryLength { get; set; }
+        double LengthFactorX { get; set; }
+        double DiagramFactorX { get; set; }
+        double LengthFactorY { get; set; }
+        double DiagramFactorY { get; set; }
+    }
+}