c_sharp_lib/1/netadapters.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Windows.Forms;
using System.Diagnostics;
using System.Net.NetworkInformation;
using System.Net;

namespace UTIL
{
    #region Работа с сетевыми адаптерами
    public class SetNet
    {
        public void setIP(string caption, string ipaddress, Boolean dhcp)
        {
            //            SetIP(EthStatic, "/c netsh interface ip set address \"" + EthName + "\" static " + Properties.Settings.Default.EthIPac + " " + Properties.Settings.Default.Subnet + " " + Properties.Settings.Default.EthDnsac + " & netsh interface ip set dns \"" + EthName + "\" static " + Properties.Settings.Default.EthDnsac);
            String arg = "";
            if (!dhcp)
            {
                arg = $"/c netsh interface ipv4 set address \"{caption}\" static \"{ipaddress}\" \"255.0.0.0\"";
                //                arg = $"/c netsh interface ipv4 set address \"{caption}\" static \"{ipaddress}\" \"255.0.0.0\" \"192.168.1.2\" & netsh interface ipv4 set dns \"{caption}\" static  \"192.168.1.2\"";
                //                arg = $"/c netsh interface ip set address \"{caption}\" static \"{ipaddress}\" \"255.0.0.0\" \"192.168.1.2\" & netsh interface ip set dns \"{caption}\" static  \"192.168.1.2\"";
            }
            else
            {
                arg = $"/c netsh interface ipv4 set address \"{caption}\" dhcp & netsh interface ipv4 set dns \"{caption}\" dhcp";
                //                arg = $"/c netsh interface ip set address \"{caption}\" dhcp & netsh interface ip set dns \"{caption}\" dhcp";
            }

            try
            {
                ProcessStartInfo psi = new ProcessStartInfo("cmd.exe");
                psi.UseShellExecute = true;
                psi.WindowStyle = ProcessWindowStyle.Hidden;
                psi.Verb = "runas";
                psi.Arguments = arg;
                Process ps = Process.Start(psi);
                ps.WaitForExit();
                if (ps.HasExited)
                {
                    MessageBox.Show("Адрес изменен", "Информация", MessageBoxButtons.OK, MessageBoxIcon.Information);
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
        }
        public List<String[]> getadapters()
        {
            List<String[]> adapters = new List<string[]>();
            String ip = "";
            String dns = "";
            String nic = "";
            String gw = "";
            String dhcp = "";
            String ipen = "";
            String sub = "";

            string[] NwDesc = { "TAP", "VMware", "Windows", "Virtual", "WAN", "Microsoft", "NDIS", "Bluetooth" };  // Adapter types (Description) to be ommited
            foreach (NetworkInterface ni in NetworkInterface.GetAllNetworkInterfaces())
            {
                if (ni.NetworkInterfaceType == NetworkInterfaceType.Ethernet && !NwDesc.Any(ni.Description.Contains))  // check for adapter type and its description
                {
                    nic = ni.Name;
                    Console.WriteLine($"Name: {nic} # Desc: {ni.Description} # Mac: {ni.GetPhysicalAddress().ToString()} # Status: {ni.OperationalStatus}");

                    if (ni.GetIPProperties().UnicastAddresses.Count == 0)
                        ip = "";
                    else
                    {
                        foreach (UnicastIPAddressInformation ips in ni.GetIPProperties().UnicastAddresses)
                        {
                            if (ips.Address.AddressFamily == System.Net.Sockets.AddressFamily.InterNetwork)
                            {
                                ip = ips.Address.ToString();
                            }
                        }
                    }
                    if (ni.GetIPProperties().DnsAddresses.Count == 0)
                        dns = "";
                    else
                    {
                        foreach (IPAddress dnsAdress in ni.GetIPProperties().DnsAddresses)
                        {
                            if (dnsAdress.AddressFamily == System.Net.Sockets.AddressFamily.InterNetwork)
                            {
                                dns = dnsAdress.ToString();
                            }
                        }
                    }
                    if (ni.GetIPProperties().GatewayAddresses.Count == 0)
                        gw = "";
                    else
                    {
                        foreach (GatewayIPAddressInformation gwAdress in ni.GetIPProperties().GatewayAddresses)
                        {
                            gw = gwAdress.Address.ToString();
                        }
                    }
                    if (ni.GetIPProperties().DhcpServerAddresses.Count == 0)
                        dhcp = "";
                    else
                    {
                        foreach (IPAddress dhcpAdress in ni.GetIPProperties().DhcpServerAddresses)
                        {
                            dhcp = dhcpAdress.ToString();
                        }
                    }


                    sub = "255.255.255.0";
                    if (ni.OperationalStatus.ToString() == "Down")
                        ipen = "False";
                    else
                        ipen = "True";

                    // Caption IPAddress IPSubnet DHCPEnabled IPEnabled
                    Console.WriteLine($"{nic}-{ip}-{sub}-{dhcp}-{ipen}");
                    adapters.Add(new String[] { ni.Description, ip, sub, (dhcp == "" ? "False" : "True"), ipen, nic });
                }
            }
            return adapters;
        }
    }
    #endregion

}