diff --git a/ZCppMain/ZMainHead.H b/ZCppMain/ZMainHead.H
index c09cef8..6a9fea8 100644
--- a/ZCppMain/ZMainHead.H
+++ b/ZCppMain/ZMainHead.H
@@ -3240,6 +3240,9 @@ namespace ZNsMain
         enum{ZETypeNo   = TypeChainNext::ZETypeNo+1};
         enum{ZEBoolNext = 1                        };
     public:
+        static ZTypIntE Size(){return ZETypeNo;}
+        static ZTypIntE size(){return ZETypeNo;}
+    public:
 
         template<typename TViewChain> class ZtCIterChain
         {
@@ -3295,6 +3298,9 @@ namespace ZNsMain
         enum{ZETypeNo   = 1};
         enum{ZEBoolNext = 0};
     public:
+        static ZTypIntE Size(){return ZETypeNo;}
+        static ZTypIntE size(){return ZETypeNo;}
+    public:
 
         template<typename TViewChain> class ZtCIterChain
         {
@@ -3345,6 +3351,53 @@ namespace ZNsMain
         void ZftIterTmplChainTail(TTypeView AO_View)
     */
 
+    /*////////////////////////////////////////////////////////////////
+
+    ■  ZtCTypeChain 예제.
+
+
+        using namespace ZNsMain;
+
+
+        class ZCTypeView
+        {
+        public:
+
+            template<typename TTypChain> void OnMeetType()
+            {
+                cout<<TTypChain::ZETypeNo<<" : "<<typeid(typename TTypChain::TypeData).name()<<endl;
+            }
+        };
+
+        int main()
+        {
+            typedef ZtCTypeChain
+            <
+                double , ZtCTypeChain<
+                int    , ZtCTypeChain<
+                wchar_t, ZtCTypeChain<
+                char   ,
+
+                ZCEmpty > > >
+            >   ZCTypeChain;  ZCTypeView VO_ZCTypeView;
+
+            cout<<"temp chain size = "<<ZCTypeChain::Size()<<endl;
+
+
+            ZftIterTmplChainTail<ZCTypeChain, ZCTypeView&>(VO_ZCTypeView);
+
+            cout<<"************************************"<<endl;
+            ZCTypeChain::ZtCIterChain<ZCTypeView>::IterHead(VO_ZCTypeView);
+            cout<<"************************************"<<endl;
+            ZCTypeChain::ZtCIterChain<ZCTypeView>::IterTail(VO_ZCTypeView);
+
+            return 0;
+        }
+
+        -- 2025-10-17 16:42
+
+    ////////////////////////////////////////////////////////////////*/
+
 
 
     namespace ZNsTmplChain