ATL / WTL / STL

template <typename T> 
class CSelfDeleteWindow : public CWindowImpl<CSelfDeleteWindow, T> {
   typedef CSelfDeleteWindow<T> ThisClass;
  
public:
   DECLARE_WND_SUPERCLASS(NULL, T::GetWndClassName())
 
   BEGIN_MSG_MAP(ThisClass)
   END_MSG_MAP()
 
   CSelfDeleteWindow(T& wnd) {
      ATLVERIFY(SubclassWindow(wnd));
      wnd.Detach();
   }
 
   void OnFinalMessage(HWND hWnd) {
      delete this;
   }
};

CButton btn;
btn.Create(*this,  CRect(0, 0, 100, 100), _T("Yo yo"), WS_CHILD | WS_VISIBLE | BS_PUSHBUTTON);
new CSelfDeleteWindow<CButton>(btn);

<br />
typedef CFrameWindowImpl<NoteWindow, ATL::CWindow, CMyWindowTraits> CMyFrameWindow;<br />
<br />
class NoteWindow : public CMyFrameWindow, <br />
                   publicCUpdateUI<NoteWindow>,<br />
	           public CMessageFilter, <br />
                   public CIdleHandler 

template<typename T> size_t Sizeof()
{
T* p1 = (T*) 100, *p2 = p1+1;
 
  return (BYTE*) p2 - (BYTE*) p1;
}
 
size_t n = Sizeof<int>();

template <typename T> size_t Sizeof() {
    return sizeof T;
}

template <typename T> struct size_of : public std::generator<size_t> {
   size_t operator()() {
      return sizeof T;
   }
};

template <typename T> struct size_of : public std::unary_function<size_t, T> {
   size_t operator()(const T& v) {
      return sizeof v;
   }
};