内嵌Activex的Activex插件开发

LRESULT CEmbed::OnCreate(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& /*bHandled*/) {
    RECT rc;
    GetWindowRect(&rc);
    rc.right -= rc.left;
    rc.bottom -= rc.top;
    rc.top = rc.left = 0;
    //对于ATL3.0 必须调用AtlAxWinInit，否则Create会调用失败
    AtlAxWinInit(); //初始化容器窗口的注册类
    RECT rect = rc;
    //创建Shock wave flash控件播放Flash
    TCHAR* controlName = L"ShockwaveFlash.ShockwaveFlash";
    m_FlashWin.Create(m_hWnd, rect, controlName, WS_CHILD | WS_VISIBLE, 0, ID_FLASHCTRL);
    DWORD error = ::GetLastError();
    CComPtr ambient;
    m_FlashWin.QueryHost(&ambient);
    CComPtr<IAxWinHostWindow> hostwin;
    m_FlashWin.QueryHost(&hostwin);
    hostwin->QueryControl(__uuidof(IDispatch), (void**)&m_ptrFlash.p);
    CComQIPtr<IShockwaveFlash> ptrFlash = m_ptrFlash;
    ptrFlash->put_BackgroundColor(RGB(0, 0, 0));
    //创建Windows Media Play控件播放.wmv文件
    controlName = L"WMPlayer.OCX";
    //CLSID cld;
    //::CLSIDFromProgID(controlName, &cld);
    m_WmvWin.Create(m_hWnd, rect, controlName, WS_CHILD, 0, ID_WMPCTRL);
    if (hostwin)
        hostwin.Release();
    m_WmvWin.QueryHost(&hostwin);
    hostwin->QueryControl(__uuidof(IDispatch), (void**)&m_ptrWmv.p);
    return 0;
}

HRESULT CEmbed::SetObjectRects(LPCRECT prcPos, LPCRECT prcClip) {
    IOleInPlaceObjectWindowlessImpl<CEmbed>::SetObjectRects(prcPos, prcClip);
    int cx, cy;
    cx = prcPos->right - prcPos->left;
    cy = prcPos->bottom - prcPos->top;
    RECT rect;
    GetClientRect(&rect);
    rect.top = 0;
    rect.left = 0;
    if (m_FlashWin)
        m_FlashWin.MoveWindow(&rect);
    if (m_FlashWin)
        m_WmvWin.MoveWindow(&rect);
    return S_OK;
}

<meta content="text/html; charset=gb2312" http-equiv="Content-Type"></meta><title></title>