C# 远程链接指定计算机，获取该计算机的计算机名等信息

using System;
using System.Management;
class remote
{
    static void Main()
    {
        string host = "";//输入指定计算机IP或计算机名
        string userName = "";//帐号
        string password = "";//密码
        ConnectionOptions connectionOptions = new ConnectionOptions();
        connectionOptions.Username = userName; //帐户用户名
        connectionOptions.Password = password; //帐户密码
        //以给定管理员帐号连接指定计算机,host为指定计算机的IP或计算机名
        ManagementScope managementScope = new ManagementScope("////" + host + "//root//cimv2", connectionOptions);
        managementScope.Connect();//连接
        if (managementScope.IsConnected) //判断是否连接上
        {
            ObjectQuery query = new ObjectQuery("select * from Win32_ComputerSystem");
            ManagementObjectSearcher search = new ManagementObjectSearcher(managementScope, query);
            ManagementObjectCollection coll = search.Get();
            foreach (ManagementObject obj in coll)
            {
                string hostname = obj["DNSHostName"].ToString();//域主机名
                string domain = obj["Domain"].ToString(); //域名
                string name = obj["Name"].ToString(); //主机名
                string role = "";   //域角色
                switch (obj["DomainRole"].ToString())
                {
                    case "0":
                        role = "独立的个人机(Standalone Workstation)";
                        break;
                    case "1":
                        role = "成员工作站(Member Workstation)";
                        break;
                    case "2":
                        role = "单独的服务器(Standalone Server)";
                        break;
                    case "3":
                        role = "成员服务器(Member Server)";
                        break;
                    case "4":
                        role = "备用主机(Backup Domain Controller)";
                        break;
                    case "5":
                        role = "主域控制器(Primary Domain Controller)";
                        break;
                }
                Console.WriteLine("HostName:{0}", hostname);
                Console.WriteLine("Domain:{0}", domain);
                Console.WriteLine("Name:{0}", name);
                Console.WriteLine("Role:{0}", role);
            }
        }

    }
}