The TRealTimeMarquee is a horizontal scrolling marquee control, and uses Windows multimedia timer for its timing needs. By this control, the marquee always runs smoothly even if your application is busy by doing some time consuming operations.-The TRealTimeMarquee is a horizontal scrolling marquee control, and uses Windows multimedia timer for its timing needs. By this control, the marquee always runs smoothly even if your application is busy by doing some time consuming operations.