HRESULT Cbhotest::SetSite(IUnknown *pUnkSite)
{
    m_spWebBrowser2 = pUnkSite; 
    if (m_spWebBrowser2 == NULL)
        return E_INVALIDARG;

    m_spCPC = m_spWebBrowser2;

    if (m_spCPC == NULL) 
        return E_POINTER;

    RetrieveBrowserWindow();

    return Connect();
}