CompressedProperty was added

Windows/ViewModels/NdmCrossSections/SecondOrderViewModel.cs

@@ -0,0 +1,60 @@
+using FieldVisualizer.ViewModels;
+using StructureHelperCommon.Models.Sections;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace StructureHelper.Windows.ViewModels.NdmCrossSections
+{
+    public class SecondOrderViewModel : ViewModelBase
+    {
+        ICompressedMember member;
+
+        public bool Buckling
+        {
+            get => member.Buckling;
+            set
+            {
+                member.Buckling = value;
+                OnPropertyChanged(nameof(Buckling));
+            }
+        }
+
+        public double GeometryLength
+        {
+            get => member.GeometryLength;
+            set
+            {
+                member.GeometryLength = value;
+                OnPropertyChanged(nameof(GeometryLength));
+            }
+        }
+
+        public double LengthFactorX
+        {
+            get => member.LengthFactorX;
+            set
+            {
+                member.GeometryLength = value;
+                OnPropertyChanged(nameof(LengthFactorX));
+            }
+        }
+
+        public double LengthFactorY
+        {
+            get => member.LengthFactorY;
+            set
+            {
+                member.GeometryLength = value;
+                OnPropertyChanged(nameof(LengthFactorY));
+            }
+        }
+
+        public SecondOrderViewModel(ICompressedMember compressedMember)
+        {
+            member = compressedMember;
+        }
+    }
+}