HeadMaterial Window was fixed

Windows/ViewModels/NdmCrossSections/CrossSectionViewVisualProperty.cs

@@ -0,0 +1,26 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace StructureHelper.Windows.ViewModels.NdmCrossSections
+{
+    public class CrossSectionViewVisualProperty
+    {
+        public double AxisLineThickness { get; set; }
+        public double GridLineThickness { get; set; }
+        public double GridSize { get; set; }
+        public double WorkPlainWidth { get; set; }
+        public double WorkPlainHeight { get; set; }
+
+        public CrossSectionViewVisualProperty()
+        {
+            AxisLineThickness = 2d;
+            GridLineThickness = 0.25d;
+            GridSize = 0.05d;
+            WorkPlainWidth = 2d;
+            WorkPlainHeight = 1.6d;
+        }
+    }
+}

Windows/ViewModels/NdmCrossSections/PrimitiveViewModelLogic.cs

@@ -117,8 +117,7 @@ namespace StructureHelper.Windows.ViewModels.NdmCrossSections
             get
             {
                 return editCommand ??
-                    (
-                    editCommand = new RelayCommand(
+                    (editCommand = new RelayCommand(
                         o => EditSelectedItem(),
                         o => SelectedItem != null
                     ));