用VB.net 2008编写的WMI使用程序，包含了网卡适配器信息查询，静态IP更改，DHCP模式更改，多线程Ping和常规Ping，内容非常丰富（源码）-Written with VB.net 2008 using WMI program includes card adapter information query, change the static IP, DHCP mode change, and conventional multi-threaded Ping Ping, the c