关于获取默认网关程序的错误

Question

方法代码是这样的：
报错：
第一行错误：

Answer 1

using System;
using System.Management;
using System.Windows.Forms;namespace WMISample
{
    public class MyWMIQuery
    {
        public static void Main()
        {
            try
            {
                ManagementObjectSearcher searcher = 
                    new ManagementObjectSearcher("root\\CIMV2", 
                    "SELECT * FROM Win32_NetworkAdapterConfiguration where IPEnabled=true");                 foreach (ManagementObject queryObj in searcher.Get())
                {
                    if(queryObj["DefaultIPGateway"] != null)
                    {
                        String[] arrDefaultIPGateway = (String[])(queryObj["DefaultIPGateway"]);
String[] arrIPAddress=(String[])(queryObj["IPAddress"]);
                        for(int i=0;i<arrIPAddress.Length;i++)
                        {
    Console.WriteLine("---------------------------");
                            Console.WriteLine("IP Address:{0}\nDefaultIPGateway: {1}",arrIPAddress[i],arrDefaultIPGateway[i]);
                        }
                    }
                }
            }
            catch (ManagementException e)
            {
                MessageBox.Show("An error occurred while querying for WMI data: " + e.Message);
            }
        }
    }
}
执行结果：
参考：WMICodeCreatorTools.cs