Knowledge Base Nr: 00209 ScreenSaver2.cpp - http://www.swe-kaiser.de

Win32: ScreenSaver und Power Settings einschalten und ausschalten

  
bool CProcessSupport::SetScreenSaver(bool bOnOff)
{
    //screensaver einstellen
    BOOL bSucc1 = ::SystemParametersInfo( SPI_SETSCREENSAVEACTIVE,
                           bOnOff,
                           0,
                           SPIF_SENDCHANGE|SPIF_SENDWININICHANGE
                         );
    ASSERT(bSucc1);

    //power mode einstellen
    BOOL bSucc2 = ::SystemParametersInfo( SPI_SETPOWEROFFACTIVE,
                       bOnOff,
                       0,
                       SPIF_SENDCHANGE|SPIF_SENDWININICHANGE
                     );
    ASSERT(bSucc2);

    if (!bOnOff)
        return (bSucc1 && bSucc2);

    //bildschirmausgabe aktivieren
    POINT point;

    BOOL bSucc3 = GetCursorPos(&point);
    ASSERT(bSucc3);
    if (bSucc3)
    {
        ::SetCursorPos(point.x+10, point.y+10);
        Sleep(2);
        ::SetCursorPos(point.x, point.y);
    }

    return (bSucc1 && bSucc2 && bSucc3);
}