C / C++ / MFC

1.<br />
        if (_afxDBCS)<br />
        {<br />
            // check for cheap CS_IME style first...<br />
            if (GetClassLong((HWND)wParam, GCL_STYLE) & CS_IME)<br />
                goto lCallNextHook;<br />
<br />
            // get class name of the window that is being created<br />
            LPCTSTR pszClassName;<br />
            TCHAR szClassName[_countof("ime")+1];<br />
            if (DWORD_PTR(lpcs->lpszClass) > 0xffff)<br />
            {<br />
                pszClassName = lpcs->lpszClass;<br />
            }<br />
            else<br />
            {<br />
                szClassName[0] = '\0';<br />
                GlobalGetAtomName((ATOM)lpcs->lpszClass, szClassName, _countof(szClassName));<br />
                pszClassName = szClassName;<br />
            }<br />
<br />
            // a little more expensive to test this way, but necessary...<br />
            if (lstrcmpi(pszClassName, _T("ime")) == 0)<br />
                goto lCallNextHook;<br />
        }<br />
<br />
<br />
<br />
<br />
2.<br />
            static ATOM s_atomMenu = 0;<br />
            bool bSubclass = true;            <br />
<br />
            if (s_atomMenu == 0)<br />
            {<br />
                WNDCLASSEX wc;<br />
                memset(&wc, 0, sizeof(WNDCLASSEX));<br />
                wc.cbSize = sizeof(WNDCLASSEX);<br />
                s_atomMenu = (ATOM)::GetClassInfoEx(NULL, _T("#32768"), &wc);<br />
            }<br />
<br />
            // Do not subclass menus.<br />
            if (s_atomMenu != 0)<br />
            {<br />
                ATOM atomWnd = (ATOM)::GetClassLongPtr(hWnd, GCW_ATOM);<br />
                if (atomWnd == s_atomMenu)<br />
                        bSubclass = false;<br />
            }<br />
            else<br />
            {            <br />
                TCHAR szClassName[256];<br />
                if (::GetClassName(hWnd, szClassName, 256))<br />
                {<br />
                    szClassName[255] = NULL;<br />
                    if (_tcscmp(szClassName, _T("#32768")) == 0)<br />
                        bSubclass = false;<br />
                }<br />
            }