main()
{
    ...
    ...

    while(1)
    {
        if(MTOUCH_Service_Mainloop())
        {
             if(MTOUCH_Slider_isPositionChanged(Slider0))
             {
                 printf("The new slider position is %d. \r\n", MTOUCH_Slider_Position_Get(Slider0));
             }
        }
    }
}