启用或禁用网卡代码,CSharp代码库,德仔网

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【CSharp】启用或禁用网卡
作者:dezai / 发布于2014/1/26/ 303
方法一、

//禁用 SetNetworkAdapter(False)
//启用 SetNetworkAdapter(True)
//添加引用system32\shell32.dll
private static bool SetNetworkAdapter(bool status)
{
 const string discVerb = "停用(&B)"; // "停用(&B)";
 const string connVerb = "启用(&A)"; // "启用(&A)";
 const string network = "网络连接"; //"网络连接";
 const string networkConnection = "VMware Network Adapter VMnet1"; // "本地连接"

 string sVerb = null;

 if (status)
 {
 sVerb = connVerb;
 }
 else
 {
 sVerb = discVerb;
 }

 Shell32.Shell sh = new Shell32.Shell();
 Shell32.Folder folder = sh.NameSpace(Shell32.ShellSpecialFolderConstants.ssfCONTROLS);

 try
 {
 //进入控制面板的所有选项
 foreach (Shell32.FolderItem myItem in folder.Items())
 {
 //进入网络连接
 if (myItem.Name == network)
 {
 Shell32.Folder fd = (Shell32.Folder)myItem.GetFolder;
 foreach (Shell32.FolderItem fi in fd.Items())
 {
 //找到本地连接
 if ((fi.Name == networkConnection))
 {
 //找本地连接的所有右键功能菜单
 foreach (Shell32.FolderItemVerb Fib in fi.Verbs())
 {
 if (Fib.Name == sVerb)
 {
 Fib.DoIt();
 return true;
 }
 }
 }
 }
 }
 }
 }
 catch (Exception e)
 {
 Console.WriteLine(e.Message);
 return false;
 }
 return true;
}



==================================================================================

方法二 、



c#中禁用和开启网卡

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Text;

using System.Windows.Forms;

using System.Management;

using System.Collections;



namespace NetWorkControl

{

  public partial class Form1 : Form

  {

    public Form1()

    {

      InitializeComponent();

      NetWorkList();

    }



    /// <summary>

    /// 网卡列表

    /// </summary>

    public void NetWorkList()

    {

      string manage = "SELECT * From Win32_NetworkAdapter";

      ManagementObjectSearcher searcher = new ManagementObjectSearcher(manage);

      ManagementObjectCollection collection = searcher.Get();

      List<string> netWorkList = new List<string>();



      foreach (ManagementObject obj in collection)

      {

        netWorkList.Add(obj["Name"].ToString());

       

      }

     this.cmbNetWork.DataSource = netWorkList;



    }



    /// <summary>

    /// 禁用网卡

    /// </summary>5

    /// <param name="netWorkName">网卡名</param>

    /// <returns></returns>

    public bool DisableNetWork(ManagementObject network)

    {

      try

      {

        network.InvokeMethod("Disable", null);

        return true;

      }

      catch

      {

        return false;

      }

    }



    /// <summary>

    /// 启用网卡

    /// </summary>

    /// <param name="netWorkName">网卡名</param>

    /// <returns></returns>

    public bool EnableNetWork(ManagementObject network)

    {

      try

      {

        network.InvokeMethod("Enable", null );

        return true;

      }

      catch

      {

        return false;

      }

     

    }



    /// <summary>

    /// 网卡状态

    /// </summary>

    /// <param name="netWorkName">网卡名</param>

    /// <returns></returns>

    public bool NetWorkState(string netWorkName)

    {

      string netState = "SELECT * From Win32_NetworkAdapter";

      ManagementObjectSearcher searcher = new ManagementObjectSearcher(netState);

      ManagementObjectCollection collection = searcher.Get();

      foreach (ManagementObject manage in collection)

      {

        if (manage["Name"].ToString() == netWorkName )

        {

          return true;

        }

      }

      return false;

    }



    /// <summary>

    /// 得到指定网卡

    /// </summary>

    /// <param name="networkname">网卡名字</param>

    /// <returns></returns>

    public ManagementObject NetWork(string networkname)

    {

      string netState = "SELECT * From Win32_NetworkAdapter";



      ManagementObjectSearcher searcher = new ManagementObjectSearcher(netState);

      ManagementObjectCollection collection = searcher.Get();



      foreach (ManagementObject manage in collection)

      {

        if (manage["Name"].ToString() == networkname)

        {

          return manage;

        }

      }



     

      return null;

    }



    private void btnStart_Click(object sender, EventArgs e)

    {

      if (NetWorkState(this.cmbNetWork.SelectedValue.ToString()))

      {

        if (!EnableNetWork(NetWork(this.cmbNetWork.SelectedValue.ToString())))

        {

          MessageBox.Show("开启网卡失败!");

        }

        else

        {

          MessageBox.Show("开启网卡成功!");

        }

      }

      else

      {

        MessageBox.Show("网卡己开启!");

      }



      NetWorkList();

    }



    private void btnStop_Click(object sender, EventArgs e)

    {



      if (NetWorkState(this.cmbNetWork.SelectedValue.ToString()))

      {

        if (!DisableNetWork(NetWork(this.cmbNetWork.SelectedValue.ToString())))

        {

          MessageBox.Show("禁用网卡失败!");

        }

        else

        {

          MessageBox.Show("禁用网卡成功!");

        }

      }

      else

      {

        MessageBox.Show("网卡己禁用!");

      }



      NetWorkList();

    }



  }

}
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