系统属于小型的局域网监控系统，可以对某一台计算机进行屏幕监控，本系统主要实现以下功能：  系统采用人机交互的方式，界面美观友好。  屏幕信息需要时时显示，网络延时不能大于1秒。  服务器端可以随时运行，只要客户端运行，就能够显示屏幕信息。  系统运行时占用内存不能大于10MB，以免影响系统性能。  客户端运行时需要隐藏显示窗口，起其感觉不到在运行。-following features: 　system is the way human-computer interaction, interface, beautiful and friendly. 　need to constantly display screen information, the network delay is not greater than 1 second. 　server can be run at any time as long as the client runs, will be able to display information. 　run-time memory for the system can not be larger than 10MB, so as not to affect system performance. 　need