局域网监控系统软件的开发

介绍了利用delphi5．0开发的局域网管理软件。其基本要求是通过装载在服务器端的服务程序监视局域网中的任意一台计算机，包括监视其屏幕、向其发送文字信息、控制其关机及黑屏等操作。另外，要求客户机只有在收到服务器发送的特定指令时才能进行操作，否则关机或锁定键盘和鼠标。本开发程序使用的NMUDP控件，采用UDP协议进行数据通讯，从而实现了上述主要功能。

Developing the Software of Administering LAN

In this paper, the software of administering LAN (Local Area Network) was introduced, and it was developed with DELPHI 5.0. Its basic demand was to supervise any client computer in the LAN by the programs which is loaded in the server computer, including supervising the client screens, sending word information to client computers, closing the client computers and blacking the client screens. In addition, the client computers could be operated only when they received specific instructions from the server, otherwise, they would be shut down or the keyboard and the mouse would be locked. For the sake of implementing above functions, the NMUDP component had been used in the program, and UDP protocol had been used to communicate.