diff --git a/CMakeLists.txt b/CMakeLists.txt
index 62183a8..b4d711b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -16,8 +16,8 @@
         target_sources(${project_name} PRIVATE ${CM_MANIFEST})
         
         if(MSVC)
-            target_sources(${project_name} INTERFACE
-                           ${CM_NATVIS})
+            target_sources(${project_name} PRIVATE ${CM_NATVIS})
+            SOURCE_GROUP("natvis" FILES ${CM_NATVIS})
         endif()
 
     ENDIF()
diff --git a/datatype/IDNameTest.cpp b/datatype/IDNameTest.cpp
index 9ad5c49..265c3f8 100644
--- a/datatype/IDNameTest.cpp
+++ b/datatype/IDNameTest.cpp
@@ -5,20 +5,20 @@ int main(int,char **)
 {
     using namespace hgl;
 
-    AIDName id3("id1");
-    AIDName id4("id2");
+    AIDName id3("idA");
+    AIDName id4("idB");
 
-    AIDName id5("id1");
-    AIDName id6("id2");
+    AIDName id5("idA");
+    AIDName id6("idB");
 
-    std::cout<<id5.GetID()<<":"<<id5.GetName()<<", ClassID: "<<std::hex<<id5.GetClassID()<<std::endl;
-    std::cout<<id6.GetID()<<":"<<id6.GetName()<<", ClassID: "<<std::hex<<id6.GetClassID()<<std::endl;
+    std::cout<<"id5 id:"<<id5.GetID()<<" name:\""<<id5.GetName()<<"\", ClassHC: "<<std::hex<<id5.GetClassHC()<<std::endl;
+    std::cout<<"id6 id:"<<id6.GetID()<<" name:\""<<id6.GetName()<<"\", ClassHC: "<<std::hex<<id6.GetClassHC()<<std::endl;
 
-    std::cout<<id3.GetID()<<":"<<id3.GetName()<<", ClassID: "<<std::hex<<id3.GetClassID()<<std::endl;
-    std::cout<<id4.GetID()<<":"<<id4.GetName()<<", ClassID: "<<std::hex<<id4.GetClassID()<<std::endl;
+    std::cout<<"id3 id:"<<id3.GetID()<<" name:\""<<id3.GetName()<<"\", ClassHC: "<<std::hex<<id3.GetClassHC()<<std::endl;
+    std::cout<<"id4 id:"<<id4.GetID()<<" name:\""<<id4.GetName()<<"\", ClassHC: "<<std::hex<<id4.GetClassHC()<<std::endl;
 
     if(id3==id5)
-        std::cout<<"id3==id5"<<std::endl;
+        std::cout<<"id3==id5 is OK!"<<std::endl;
     else
-        std::cout<<"id3!=id5"<<std::endl;
+        std::cout<<"id3!=id5 is BUG!"<<std::endl;
 }