With the rapid development of the technology, the road traffic system has a higherdemand for information to be released timely and accurately. As an important part of theintelligent transportation system, the changing message board system is responsible forreleasing traffic information and weather information of the highway. Therefore, thechanging message board system has a significant value in study and irreplaceable effectin normal life.The realization of the changing message board system in this design is under theVisual Studio2008development environment using C#language. This system includesmessage board monitoring software and playlist editor. Firstly, this article introducescharacteristics and working process of the changing message board. It also states how todesign a Windows application program. Then, it discusses the interface, function anddesign process of the message board monitoring software and the playlist editorrespectively in detail. The message board monitoring software uploads files to LEDscreen and controls how the LED screen works. The playlist editor edits what to bedisplayed and transforms them into files. Finally, it summarizes what has done in thisarticle. And it looks into the future of the development of the changing message boardsystem. |