/// <summary>  /// 網(wǎng)絡(luò)適配器類  /// </summary>  public class NetworkAdapter  { /// <summary>    /// 設(shè)置IP地址    /// </summary>    /// <param name="ip"></param>    /// <param name="submask"></param>    /// <param name="getway"></param>    /// <param name="dns"></param>    private bool SetIPAddress(string[] ip, string[] submask, string[] getway, string[] dns)    {      ManagementClass wmi = new ManagementClass("Win32_NetworkAdapterConfiguration");      ManagementObjectCollection moc = wmi.GetInstances();      ManagementBaseObject inPar = null;      ManagementBaseObject outPar = null;      string str = "";      foreach (ManagementObject mo in moc)      {        if (!(bool)mo["IPEnabled"])          continue;               if (this.NetworkInterfaceID == mo["SettingID"].ToString())        {          if (ip != null && submask != null)          {            string caption = mo["Caption"].ToString(); //描述            inPar = mo.GetMethodParameters("EnableStatic");            inPar["IPAddress"] = ip;            inPar["SubnetMask"] = submask;            outPar = mo.InvokeMethod("EnableStatic", inPar, null);            str = outPar["returnvalue"].ToString();            return (str=="0"||str=="1")?true:false;             //獲取操作設(shè)置IP的返回值， 可根據(jù)返回值去確認(rèn)IP是否設(shè)置成功。 0或1表示成功             // 返回值說明網(wǎng)址： https://msdn.microsoft.com/en-us/library/aa393301(v=vs.85).aspx          }          if(getway!=null)          {            inPar = mo.GetMethodParameters("SetGateways");            inPar["DefaultIPGateway"] = getway;            outPar = mo.InvokeMethod("SetGateways", inPar, null);            str = outPar["returnvalue"].ToString();            return (str == "0" || str == "1") ? true : false;          }          if (dns != null)          {            inPar = mo.GetMethodParameters("SetDNSServerSearchOrder");            inPar["DNSServerSearchOrder"] = dns;            outPar = mo.InvokeMethod("SetDNSServerSearchOrder", inPar, null);            str = outPar["returnvalue"].ToString();            return (str == "0" || str == "1") ? true : false;          }                  }      }      return false;    } ｝

   /// <summary>    /// 啟用DHCP服務(wù)    /// </summary>    public void EnableDHCP()    {      ManagementClass wmi = new ManagementClass("Win32_NetworkAdapterConfiguration");      ManagementObjectCollection moc = wmi.GetInstances();      foreach (ManagementObject mo in moc)      {        if (!(bool)mo["IPEnabled"])          continue;        if (mo["SettingID"].ToString() == this.NetworkInterfaceID) //網(wǎng)卡接口標(biāo)識(shí)是否相等, 相當(dāng)只設(shè)置指定適配器IP地址        {          mo.InvokeMethod("SetDNSServerSearchOrder", null);          mo.InvokeMethod("EnableDHCP", null);        }      }    ｝

public class NetworkAdapterUtil{ /// <summary>    /// 獲取所有適配器類型，適配器被禁用則不能獲取到    /// </summary>    /// <returns></returns>    public List<NetworkAdapter> GetAllNetworkAdapters() //如果適配器被禁用則不能獲取到    {      IEnumerable<NetworkInterface> adapters = NetworkInterface.GetAllNetworkInterfaces(); //得到所有適配器      return GetNetworkAdapters(adapters);    } /// <summary>   /// 根據(jù)條件獲取IP地址集合，   /// </summary>    /// <param name="adapters">網(wǎng)絡(luò)接口地址集合</param>   /// <param name="adapterTypes">網(wǎng)絡(luò)連接狀態(tài)，如,UP,DOWN等</param>   /// <returns></returns>    private List<NetworkAdapter> GetNetworkAdapters(IEnumerable<NetworkInterface> adapters, params NetworkInterfaceType[] networkInterfaceTypes)    {      adapterList = new List<NetworkAdapter>();      foreach (NetworkInterface adapter in adapters)      {        if (networkInterfaceTypes.Length <=0) //如果沒傳可選參數(shù)，就查詢所有        {          if (adapter != null)          {            NetworkAdapter adp = SetNetworkAdapterValue(adapter);            adapterList.Add(adp);          }          else          {            return null;          }        }        else //過濾查詢數(shù)據(jù)        {          foreach (NetworkInterfaceType networkInterfaceType in networkInterfaceTypes)           {                       if (adapter.NetworkInterfaceType.ToString().Equals(networkInterfaceType.ToString()))             {              adapterList.Add(SetNetworkAdapterValue(adapter));               break; //退出當(dāng)前循環(huán)            }          }        }      }      return adapterList;    ｝ /// <summary>   /// 設(shè)置網(wǎng)絡(luò)適配器信息   /// </summary>   /// <param name="adapter"></param>   /// <returns></returns>   private NetworkAdapter SetNetworkAdapterValue(NetworkInterface adapter)   {     NetworkAdapter networkAdapter = new NetworkAdapter();     IPInterfaceProperties ips = adapter.GetIPProperties();     networkAdapter.Description = adapter.Name;     networkAdapter.NetworkInterfaceType = adapter.NetworkInterfaceType.ToString();     networkAdapter.Speed = adapter.Speed / 1000 / 1000 + "MB"; //速度     networkAdapter.MacAddress = adapter.GetPhysicalAddress(); //物理地址集合     networkAdapter.NetworkInterfaceID = adapter.Id;//網(wǎng)絡(luò)適配器標(biāo)識(shí)符     networkAdapter.Getwaryes = ips.GatewayAddresses; //網(wǎng)關(guān)地址集合     networkAdapter.IPAddresses = ips.UnicastAddresses; //IP地址集合     networkAdapter.DhcpServerAddresses = ips.DhcpServerAddresses;//DHCP地址集合     networkAdapter.IsDhcpEnabled =ips.GetIPv4Properties()==null?false: ips.GetIPv4Properties().IsDhcpEnabled; //是否啟用DHCP服務(wù)     IPInterfaceProperties adapterProperties = adapter.GetIPProperties();//獲取IPInterfaceProperties實(shí)例      networkAdapter.DnsAddresses = adapterProperties.DnsAddresses; //獲取并顯示DNS服務(wù)器IP地址信息 集合     return networkAdapter;   }  } ｝

    /// <summary>    /// 啟用所有適配器    /// </summary>    /// <returns></returns>    public void EnableAllAdapters()    {     // ManagementClass wmi = new ManagementClass("Win32_NetworkAdapter");     // ManagementObjectCollection moc = wmi.GetInstances();      System.Management.ManagementObjectSearcher moc = new System.Management.ManagementObjectSearcher("Select * from Win32_NetworkAdapter where NetEnabled!=null ");         foreach (System.Management.ManagementObject mo in moc.Get())      {        //if (!(bool)mo["NetEnabled"])        //  continue;        string capation = mo["Caption"].ToString();        string descrption =mo["Description"].ToString();        mo.InvokeMethod("Enable",null);      }         }    /// <summary>    /// 禁用所有適配器    /// </summary>    public void DisableAllAdapters()    {      // ManagementClass wmi = new ManagementClass("Win32_NetworkAdapter");      // ManagementObjectCollection moc = wmi.GetInstances();      System.Management.ManagementObjectSearcher moc = new System.Management.ManagementObjectSearcher("Select * from Win32_NetworkAdapter where NetEnabled!=null ");      foreach (System.Management.ManagementObject mo in moc.Get())      {        //if ((bool)mo["NetEnabled"])        //  continue;        string capation = mo["Caption"].ToString();        string descrption = mo["Description"].ToString();        mo.InvokeMethod("Disable", null);      }    }