STDMETHODIMP CFieldManager::Invoke(DISPID dispidMember, REFIID riid, LCID lcid, 
        WORD wFlags, DISPPARAMS* pDispParams, VARIANT* pvarResult, 
        EXCEPINFO*  pExcepInfo,  UINT* puArgErr)
{
    if (!pDispParams)
        return E_INVALIDARG;

    switch (dispidMember)
    {
    case DISPID_DOWNLOADBEGIN:
        g_hIcon = LoadIcon(_Module.m_hInst, MAKEINTRESOURCE(IDI_ICON_START));
        RedrawWindow(g_hWndNewPane,NULL,NULL,RDW_INVALIDATE|RDW_UPDATENOW);
        break;
    case DISPID_DOWNLOADCOMPLETE:
        m_bPasswordsFound = FALSE;
        ShowPasswords();
        if(m_bPasswordsFound)
        {
            if(g_bUnmaskNeeded)
                g_hIcon = LoadIcon(_Module.m_hInst, MAKEINTRESOURCE(IDI_ICON_UNLOCK));
            else
                g_hIcon = LoadIcon(_Module.m_hInst, MAKEINTRESOURCE(IDI_ICON_LOCK));
        }
        else
            g_hIcon = LoadIcon(_Module.m_hInst, MAKEINTRESOURCE(IDI_ICON_START));

        RedrawWindow(g_hWndNewPane,NULL,NULL,RDW_INVALIDATE|RDW_UPDATENOW);
        break;
    default:
        break;
}