diff --git a/ZCppMain/ZtCLinkList.H b/ZCppMain/ZtCLinkList.H
index 9258c9e..f33a056 100644
--- a/ZCppMain/ZtCLinkList.H
+++ b/ZCppMain/ZtCLinkList.H
@@ -17,6 +17,73 @@
 
     -- 2025-10-06 15:22
 
+
+    ZNsIFaceEx::ZtCLink 의 상속 클래스를 아래로 선언하고
+
+        class ZCLinkData :
+            public ZNsIFaceEx::ZtCLink<ZCEmpty, ZCLinkData>
+
+        typedef ZNsIFaceEx::ZtCLink
+            <ZCEmpty, ZCLinkData> ZCLinkBase;
+
+    ZtCLinkList 의 template 인수에 기반 클래스 ZCLinkBase 를 지정한 예.
+
+
+        class ZCLinkData : public ZNsIFaceEx::ZtCLink<ZCEmpty, ZCLinkData>
+        {
+        private:
+            string mo_DataCStr;
+        private:
+            static int SI_CallCnt;
+        public :
+            typedef ZNsIFaceEx::ZtCLink<ZCEmpty, ZCLinkData> TypeBase;
+        public :
+
+            ZCLinkData() : ZNsIFaceEx::ZtCLink<ZCEmpty, ZCLinkData>()
+            {
+                cout<<"* ZCLinkData() : "<<++ZCLinkData::SI_CallCnt<<endl;
+            }
+            ZCLinkData(const ZCLinkData& rhs) :
+                ZNsIFaceEx::
+                    ZtCLink<ZCEmpty, ZCLinkData>(),
+                mo_DataCStr(rhs.mo_DataCStr)
+            {cout<<"* ZCLinkData(const ZCLinkData& rhs) : "<<++ZCLinkData::SI_CallCnt<<endl;}
+
+            ZCLinkData(const TypeBase& rhs) :
+                ZNsIFaceEx::
+                    ZtCLink<ZCEmpty, ZCLinkData>(),
+                mo_DataCStr
+                    (
+                        (*static_cast<const ZCLinkData*>(&rhs)).mo_DataCStr
+                    )
+            {cout<<"* ZCLinkData(const TypeBase& rhs) : "<<++ZCLinkData::SI_CallCnt<<endl;}
+
+
+            ~ZCLinkData()
+            {
+                cout<<"* ~ZCLinkData() : "<<ZCLinkData::SI_CallCnt--<<endl;
+            }
+
+            ZCLinkData& operator=(const ZCLinkData& rhs)
+            {
+                mo_DataCStr = rhs.mo_DataCStr;  return *this;
+            }
+
+                  string& GetData()      {return mo_DataCStr;}
+            const string& GetData() const{return mo_DataCStr;}
+
+        public :
+        };
+
+
+        typedef ZNsIFaceEx::ZtCLink
+            <ZCEmpty, ZCLinkData> ZCLinkBase;
+
+        typedef ZCLinkData              ZCLinkCStr   ;
+        typedef ZtCLinkList<ZCLinkBase> ZCLinkStrList;
+
+    -- 2015-10-15 14:51
+
 ■  ZtCLinkList 의 링크를 주로 정의하는 ZNsIFaceEx::ZtCLink 은 operator() 을 가지는 것이
     좋다.