【自编】修改网卡部分属性
最近写的一个修改网卡IP,DNS,MASK,GATEWAY,MAC的小程序，代码很烂，出了能RUN之外一无是处，姑且贴出来站个位置吧
除MAC之外都是用WMI实现的，改MAC是修改注册表中键值
windows pro sp2 / .net framework 2.0 / vs 2005
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Net;
using System.IO;
using System.Management;
using Microsoft.Win32;
namespace 网络测试
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
BindNetcard();
}
private void BindNetcard()
{
//得到本机拥有的网卡信息
ManagementClass mc = new ManagementClass("Win32_NetworkAdapterConfiguration");
ManagementObjectCollection moc = mc.GetInstances();
string Netcard;
foreach (ManagementObject eachMo in moc)
{
if (!(bool)eachMo["IPEnabled"])
continue;
Netcard = eachMo["Description"].ToString();
if (Netcard != null)
{
this.comboBox1.Items.Add(Netcard);
}
}
}
private void comboBox1_SelectedIndexChanged(object sender, EventArgs e)
{
string Netcard = comboBox1.SelectedItem.ToString();
if (Netcard != null)
{
//根据选择的网卡名搜索
ManagementClass mc = new ManagementClass("Win32_NetworkAdapterConfiguration");
ManagementObjectCollection moc = mc.GetInstances();
foreach (ManagementObject eachMo in moc)
{
if (!(bool)eachMo["IPEnabled"])
continue;
if (Netcard == eachMo["Description"].ToString())
{
string[] tip;
try
{
//获得IP，网关，子网掩码，DNS
tip = (string[])eachMo["IPAddress"];
this.txtIP.Text = tip[0];
tip = (string[])eachMo["IPSubnet"];
this.txtSN.Text = tip[0];
tip = (string[])eachMo["DefaultIPGateway"];
this.txtGw.Text = tip[0];
tip = (string[])eachMo["DNSServerSearchOrder"];
this.txtDNS.Text = tip[0];
//获得MAC地址
this.txtMAC.Text = (string)eachMo["MACAddress"];
//这里我又偷懒搞了一个隐藏的LABEL用于同步注册表和WMI的对应值
this.labMac.Text = (string)eachMo["MACAddress"];
this.button1.Enabled = true;
return;
}
catch (Exception ee)
{
//这里可能出现由于某些网卡属性没有设置而导致的异常，本人因为偷懒而没有去写
MessageBox.Show("出现错误，错误代码为" + ee.Message);
return;
}
finally
{
;
}
}
}
}
else
{
return;
}
}
private void button2_Click(object sender, EventArgs e)
{
if (CheckIP()==false)
return;
if (this.radioButton1.Checked == false && this.radioButton2.Checked == false)
MessageBox.Show("请选择是自动分配IP还是静态IP");
//状态显示为正在修改
this.libSta.Text = "正在修改中，请稍后。";
this.progressBar1.Maximum = 100;
this.progressBar1.Minimum = 0;
//修改除MAC外的网卡属性
string Netcard = comboBox1.SelectedItem.ToString();
if (Netcard != null)
{
//找到待修改网卡
ManagementBaseObject inPar = null;
ManagementBaseObject outPar = null;
ManagementClass mc = new ManagementClass("Win32_NetworkAdapterConfiguration");
ManagementObjectCollection moc = mc.GetInstances();
foreach (ManagementObject eachMo in moc)
{
if (!(bool)eachMo["IPEnabled"])
{
continue;
}
try
{
if (Netcard == eachMo["Description"].ToString())
{
this.progressBar1.Value = 50;
//使用DHCP
if (this.radioButton1.Checked == true)
{
inPar = eachMo.GetMethodParameters("EnableDHCP");
outPar = eachMo.InvokeMethod("EnableDHCP", inPar, null);
this.progressBar1.Value = 100;
this.libSta.Text = "修改完成";
MessageBox.Show("成功将IP设置修改为DHCP（自动分配IP）");
this.libSta.Text = "";
}
//使用static ip
else if (this.radioButton2.Checked == true)
{
//修改IP和子网掩码
inPar = eachMo.GetMethodParameters("EnableStatic");
inPar["IPAddress"] = new string[] { this.txtIP.Text };
inPar["SubnetMask"] = new string[] { this.txtSN.Text };
outPar = eachMo.InvokeMethod("EnableStatic", inPar, null);
this.progressBar1.Value = 70;
//修改网关
inPar = eachMo.GetMethodParameters("SetGateways");
inPar["DefaultIPGateway"] = new string[] { this.txtGw.Text };
outPar = eachMo.InvokeMethod("SetGateways", inPar,null);
this.progressBar1.Value = 85;
//修改DNS
inPar = eachMo.GetMethodParameters("SetDNSServerSearchOrder");
inPar["DNSServerSearchOrder"] = new string[] { this.txtDNS.Text };
outPar = eachMo.InvokeMethod("SetDNSServerSearchOrder", inPar, null);
this.progressBar1.Value = 100;
this.libSta.Text = "修改完成";
MessageBox.Show("成功将IP设置修改为使用静态IP");
this.libSta.Text = "";
}
}
}
catch (Exception ee)
{
MessageBox.Show("出现错误，错误代码为" + ee.Message);
}
finally
{
;
}
}
}
}
private void button1_Click(object sender, EventArgs e)
{
DialogResult DR = MessageBox.Show("确定要修改网卡MAC地址（注册表值）么？\n搞坏了不负责。\n如果要改，建议先记录一下原地址。", "你要来真的么", MessageBoxButtons.OKCancel);
if (DR == DialogResult.Cancel)
return;
//修改MAC地址
//先查找到该网卡在注册表中的位置
string LOCAL = "SYSTEM\\CurrentControlSet\\Control\\Class\\{4D36E972-E325-11CE-BFC1-08002bE10318}\\000";
string NetLocal = "";
RegistryKey okey = Registry.LocalMachine;
for (int i = 0; i < 10; ++i)
{
NetLocal = LOCAL;
NetLocal += i.ToString();
okey = Registry.LocalMachine.OpenSubKey(NetLocal,true);
try
{
if (okey != null)
{
if (okey.GetValue("NetworkAddress") != null && okey.GetValue("NetworkAddress").ToString() == this.labMac.Text.Replace(":", ""))
{
okey.SetValue("NetworkAddress", this.txtMAC.Text.Replace(":", ""));
DialogResult MyDr = MessageBox.Show("修改注册表成功，重启之后方可实效。", "MAC修改成功", MessageBoxButtons.OKCancel);
}
}
}
catch(Exception ee)
{
MessageBox.Show("出现错误，错误代码为" + ee.Message);
}
finally
{
;
}
}
}
//顾名思义，重启计算机
private void RebootComputer()
{
string[] ss = { "" };
try
{
ManagementClass mc = new ManagementClass("Win32_OperatingSystem");
mc.InvokeMethod("reboot", ss);
}
catch (Exception ee)
{
MessageBox.Show("出现错误，错误代码为" + ee.Message);
}
}
//检查IP是否合格
private bool CheckIP()
{
IPAddress tt;
try
{
tt = IPAddress.Parse(this.txtIP.Text);
}
catch(Exception ee)
{
if (ee.Message == "指定了无效的 IP 地址。")
MessageBox.Show("IP格式错误");
return false;
}
try
{
tt = IPAddress.Parse(this.txtSN.Text);
}
catch (Exception ee)
{
if (ee.Message == "指定了无效的 IP 地址。")
MessageBox.Show("子网掩码格式错误");
return false;
}
try
{
tt = IPAddress.Parse(this.txtGw.Text);
}
catch (Exception ee)
{
if (ee.Message == "指定了无效的 IP 地址。")
MessageBox.Show("网关格式错误");
return false;
}
try
{
tt = IPAddress.Parse(this.txtDNS.Text);
}
catch (Exception ee)
{
if (ee.Message == "指定了无效的 IP 地址。")
MessageBox.Show("DNS格式错误");
return false;
}
return true;
}
private void radioButton1_CheckedChanged(object sender, EventArgs e)
{
this.txtDNS.Enabled = false;
this.txtGw.Enabled = false;
this.txtIP.Enabled = false;
this.txtSN.Enabled = false;
if (this.button2.Enabled == false)
this.button2.Enabled = true;
}
private void radioButton2_CheckedChanged(object sender, EventArgs e)
{
this.txtDNS.Enabled = true;
this.txtGw.Enabled = true;
this.txtIP.Enabled = true;
this.txtSN.Enabled = true;
if (this.button2.Enabled == false)
this.button2.Enabled = true;
}
private void 退出ToolStripMenuItem_Click(object sender, EventArgs e)
{
this.Close();
}
//刷新各项
private void button3_Click(object sender, EventArgs e)
{
if (this.comboBox1.SelectedItem == null)
{
return;
}
comboBox1_SelectedIndexChanged(sender, e);
}
//弹出软件介绍
private void 关于此软件ToolStripMenuItem_Click(object sender, EventArgs e)
{
about newa = new about(this);
newa.ShowDialog();
}
}
}
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