添加项目文件。

Sai.RvKits/RvIndependent/MetroGauges/LandXMLData/LamdXMLEx.cs

@@ -0,0 +1,28 @@
+using System;
+using System.Linq;
+
+namespace Sai.Toolkit.Core.LandXMLData
+{
+	public static class LamdXMLEx
+	{
+		public static DesignShape ByName(this List<DesignShape> shapes, string name)
+		{
+			return shapes.FirstOrDefault(shape => shape.Name.Trim().Equals(name, StringComparison.OrdinalIgnoreCase));
+		}
+
+		public static bool? ReferenceComparison(object o1, object o2)
+		{
+			if (ReferenceEquals(o1, o2))
+			{
+				return true;
+			}
+
+			if (o1 == null || o2 == null)
+			{
+				return false;
+			}
+
+			return null;
+		}
+	}
+}