Dim vNetworkAdapter As New ManagementClass("Win32_NetworkAdapter")
Dim vNetworkAdapters As ManagementObjectCollection = vNetworkAdapter.GetInstances()
Dim vNetworkAdapterInfo As ManagementObject
For Each vNetworkAdapterInfo In vNetworkAdapters
Console.WriteLine("caption:{0}", vNetworkAdapterInfo.Properties("Caption").Value)
Console.WriteLine("description:{0}", vNetworkAdapterInfo.Properties("Description").Value)
Console.WriteLine("NetConnectionID:{0}", vNetworkAdapterInfo.Properties("NetConnectionID").Value)
Console.WriteLine("NetEnabled:{0}", vNetworkAdapterInfo.Properties("NetEnabled").Value)
Next
NetEnabled 为TRUE 并且NetConnectionID为空的就是了!嘿嘿