C# 获取本机IP MAC地址

private voidbutton4_Click(object sender, EventArgs e)

        {

            GetIP();

            textBox1.Text = GetAddressIP();

            textBox2.Text = getHostIpName();

        }

        privatevoid GetIP() 

        { //Using System.net

      stringhostName = Dns.GetHostName();//本机名   

     //System.Net.IPAddress[]addressList = Dns.GetHostByName(hostName).AddressList;//会警告GetHostByName()已过期，我运行时且只返回了一个IPv4的地址¤  

     System.Net.IPAddress[]addressList = Dns.GetHostAddresses(hostName);//会返回所有地址，包括IPv4和IPv6    

     foreach (IPAddress ip inaddressList) 

     { 

        listBox1.Items.Add(ip.ToString()); 

     }

     MessageBox.Show(hostName);

        }

        ///<summary>

        ///获取本地的IP地址信息

        ///</summary>

        protectedstring GetAddressIP()

        {

            ///获取本地的IP地址信息

            stringAddressIP = string.Empty;

            foreach(IPAddress _IPAddress in Dns.GetHostEntry(Dns.GetHostName()).AddressList)

            {

                if(_IPAddress.AddressFamily.ToString() == "InterNetwork")

                {

                    AddressIP =_IPAddress.ToString();

                }

            }

            returnAddressIP;

         //   textBox1.Text = AddressIP;

        }

         //获取本机MAC地址

        //usingSystem.Management; 然后右击网站—添加引用——选 System.Management

        protectedstring getHostIpName()

        {

            stringmac = "";

            ManagementClassmc;

            mc = newManagementClass("Win32_NetworkAdapterConfiguration");

            ManagementObjectCollectionmoc = mc.GetInstances();

            foreach(ManagementObject mo in moc)

            {

                if(mo["IPEnabled"].ToString() == "True")

                mac = mo["MacAddress"].ToString();

            }

            returnmac;

        }