添加项目文件。

RevitKits/MetroGauges/LandXMLData/Structures.cs

@@ -0,0 +1,20 @@
+using System.Xml.Serialization;
+
+namespace ShrlAlgoToolkit.RevitAddins.RvIndependent.MetroGauges.LandXMLData
+{
+    [XmlType("Structures")]
+    [Serializable]
+    public class Structures
+    {
+        public Structures()
+        {
+            SolidCategories = new List<SolidCategory>();
+        }
+
+        [XmlAttribute("name")]
+        public string Name;
+
+        [XmlElement("SolidCategory")]
+        public List<SolidCategory> SolidCategories { get; set; }
+    }
+}