监测特定服务的启动和停止，并能触发指定的方法执行，达到监测的目的-Monitoring of specific services to start and stop, and can trigger the specified method of implementation, to achieve the purpose of monitoring

本程序基于VC++语言设计的，实现了滑块事件的触发控制，实现了滑块在事件中处理的机制-The program based VC++ language designed the slider event trigger control slider in the event processing mechanism