Index [A] [B] [C] [D] [E] [F] [G] [H] [I] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [Z] HANDLER_MAP( ) 2nd heap functions, ATL memory managers heap manager heaps helper functions, CComPtr (IDispatch) hit counters hosting      COM controls      controls          C++ COM clients      controls in dialogs          attaching CAxWindow          CAxDialogImpl          control initialization          GetDlgControl          inserting controls into dialog resources          sinking control events      HTML      property pages, control containment HRESULT HTML (HyperText Markup Language) HTML controls      accessing controls from HTML      accessing HTML from controls      creating      element layout      extended UI handling      generating      hosting HTML      sinking HTML element events in C++      sinking WebBrowser events HTTP_CODE HttpExtensionProc 2nd 3rd HWND wrapper, CWindow      functions      helper functions HyperText Markup Language (HTML)