diff --git a/Lua/lib/test.lua b/Lua/lib/test.lua
index 699b064..239bc4b 100644
--- a/Lua/lib/test.lua
+++ b/Lua/lib/test.lua
@@ -9,4 +9,9 @@ assert(res.valid)
 local node=doc:child('Project')
 assert(node.valid)
 print(node.valid)
-print(node.name)
\ No newline at end of file
+print(node.name)
+local query1=doc:select_nodes('Project/PropertyGroup')
+local query2=node:select_nodes('PropertyGroup')
+assert(query1)
+assert(query2)
+print(query1.type,pugi.xpath_node_set.type_sorted)
\ No newline at end of file
diff --git a/Notepad++.lnk b/Notepad++.lnk
deleted file mode 100644
index 93733fb..0000000
Binary files a/Notepad++.lnk and /dev/null differ
diff --git a/contrib/pugilua/pugilua_lib.cpp b/contrib/pugilua/pugilua_lib.cpp
index 77f7454..42609cb 100644
--- a/contrib/pugilua/pugilua_lib.cpp
+++ b/contrib/pugilua/pugilua_lib.cpp
@@ -4,10 +4,30 @@
 #include <luabridge.h>
 #include <RefCountedPtr.h>
 #include <string>
+#include <iostream>
 
 namespace pugi {
 	namespace lua {
 
+		class lxml_xpath_node_set {
+		public:
+			lxml_xpath_node_set(pugi::xpath_node_set& s):node_set(s) { }
+			lxml_xpath_node_set() { }
+		public:
+
+			int _type() const {
+				return node_set.type();
+			}
+
+		public:
+			// enums
+			static int type_unsorted () { return pugi::xpath_node_set::type_unsorted; }
+			static int type_sorted () { return pugi::xpath_node_set::type_sorted; }
+			static int type_sorted_reverse () { return pugi::xpath_node_set::type_sorted_reverse; }
+		private:
+			pugi::xpath_node_set node_set;
+		};
+
 		class lxml_parse_result {
 		public:
 			lxml_parse_result(pugi::xml_parse_result& r):res(r) { }
@@ -26,6 +46,10 @@ namespace pugi {
 			pugi::xml_parse_result res;
 		};
 
+		//int const lxml_xpath_node_set::type_unsorted=pugi::xpath_node_set::type_unsorted;
+		//int const lxml_xpath_node_set::type_sorted=pugi::xpath_node_set::type_sorted;
+		//int const lxml_xpath_node_set::type_sorted_reverse=pugi::xpath_node_set::type_sorted_reverse;
+
 		class lxml_node {
 		public:
 			lxml_node(pugi::xml_node& n):node(n){}
@@ -44,6 +68,15 @@ namespace pugi {
 				return node.name();
 			}
 
+			RefCountedPtr<lxml_xpath_node_set> select_nodes(char const* query) {
+				try {
+					return RefCountedPtr<lxml_xpath_node_set>(new lxml_xpath_node_set(node.select_nodes(query)));
+				} catch (pugi::xpath_exception const& e) {
+					std::cerr<<"Error: "<<e.what()<<std::endl;
+					return RefCountedPtr<lxml_xpath_node_set>(new lxml_xpath_node_set());
+				}
+			}
+
 		private:
 			pugi::xml_node node;
 		};
@@ -59,6 +92,15 @@ namespace pugi {
 				return RefCountedPtr<lxml_node>(new lxml_node(doc.child(name)));
 			}
 
+			RefCountedPtr<lxml_xpath_node_set> select_nodes(char const* query) {
+				try {
+					return RefCountedPtr<lxml_xpath_node_set>(new lxml_xpath_node_set(doc.select_nodes(query)));
+				} catch (pugi::xpath_exception const& e) {
+					std::cerr<<"Error: "<<e.what()<<std::endl;
+					return RefCountedPtr<lxml_xpath_node_set>(new lxml_xpath_node_set());
+				}
+			}
+
 			bool valid() const {
 				return (bool)doc;
 			}
@@ -75,6 +117,14 @@ void register_pugilua (lua_State* L) {
 	luabridge::getGlobalNamespace(L)
 		.beginNamespace("pugi")
 
+		.beginClass<lxml_xpath_node_set>("xpath_node_set")
+		.addConstructor<void (*)()>()
+		.addProperty("type",&lxml_xpath_node_set::_type)
+		.addStaticProperty("type_unsorted",&lxml_xpath_node_set::type_unsorted)
+		.addStaticProperty("type_sorted",&lxml_xpath_node_set::type_sorted)
+		.addStaticProperty("type_sorted_reverse",&lxml_xpath_node_set::type_sorted_reverse)
+		.endClass()
+
 		.beginClass<lxml_parse_result>("xml_parse_result")
 		.addConstructor<void (*)()>()
 		.addProperty("description",&lxml_parse_result::description)
@@ -86,6 +136,7 @@ void register_pugilua (lua_State* L) {
 		.addProperty("valid",&lxml_node::valid)
 		.addProperty("name",&lxml_node::name)
 		.addFunction("child",&lxml_node::child)
+		.addFunction("select_nodes",&lxml_node::select_nodes)
 		.endClass()
 
 		.beginClass<lxml_document>("xml_document")
@@ -93,6 +144,7 @@ void register_pugilua (lua_State* L) {
 		.addProperty("valid",&lxml_document::valid)
 		.addFunction("load_file",&lxml_document::load_file)
 		.addFunction("child",&lxml_document::child)
+		.addFunction("select_nodes",&lxml_document::select_nodes)
 		.endClass()
 
 		.endNamespace()