这一段时间来，公司的网管不知道和谁学习的歪招，下了一个网管软件，动不动就踢人让我等良民无法正常上网，不过这个网管也傻，竟然没有做IP地址绑定，只要我改一个IP一样可以上网下东东，上网转了一圈发现有前人以写过修IP的类，不过没有检查IP冲突的判断，小弟我基于这个类花10几分钟加上了IP冲突写了一个自动修改IP地址的工具，方便又快，哈哈哈。。又可以上网下了。
以下是主要源程序。应付网管的小程序，所以没有用什么软件工程，有兴趣的朋友可以自已对手改一改。
using
System;
using
System.Collections.Generic;
using
System.ComponentModel;
using
System.Data;
using
System.Drawing;
using
System.Text;
using
System.Windows.Forms;
using
Microsoft.VisualBasic.MyServices;
namespace
ChangIP
{
public partial class NetWork : Form
{ public string MYIP = ""; public NetWork() { InitializeComponent();
} private void button1_Click(object sender, EventArgs e) { modify.ChangeIP o = new modify.ChangeIP(); Random myIPNUM = new Random(); int myNUM; bool ifOK = true; while (ifOK) { Microsoft.VisualBasic.Devices.Computer MyComputer = new Microsoft.VisualBasic.Devices.Computer(); myNUM = myIPNUM.Next(2, 244); MYIP = "192.168.4." + myNUM.ToString(); if (MyComputer.Network.Ping(MYIP)) { ifOK = true; } else { ifOK = false; } //MessageBox.Show(myNUM.ToString()); } string[] ipList = new string[] { MYIP}; string[] subnetList = new string[] { "255.255.255.0" }; o.ChangeTo(ipList, subnetList); MessageBox.Show("您的IP修改成功！，IP为：" + ipList[0].ToString()); } }
}
using
System;
using
System.Management;
namespace
modify
{ public class ChangeIP { /// <summary> /// Build of ArLi 2003.6.3 /// </summary> public static readonly System.Version myVersion = new System.Version(1, 1); private ManagementBaseObject iObj = null; private ManagementBaseObject oObj = null; private ManagementClass mc = new ManagementClass("Win32_NetworkAdapterConfiguration"); private readonly ManagementObjectCollection moc; /// <summary> /// example: /// <code> /// ArLi.CommonPrj.ChangeIP o = new ArLi.CommonPrj.ChangeIP(); /// string[] ipList = new string[]{"192.168.0.253","192.168.0.250"}; /// string[] subnetList = new string[]{"255.255.255.0","255.255.255.0"}; /// o.ChangeTo(ipList,subnetList); /// </code> /// </summary> public ChangeIP() { moc = mc.GetInstances(); } /// <summary>cortrol</summary> /// <param name="ipAddr">IPAddr List</param> /// <param name="subnetMask">subnetMask List</param> public void ChangeTo(string[] ipAddr, string[] subnetMask) { foreach (ManagementObject mo in moc) { if (!(bool)mo["IPEnabled"]) continue; iObj = mo.GetMethodParameters("EnableStatic"); iObj["IPAddress"] = ipAddr; iObj["SubnetMask"] = subnetMask; oObj = mo.InvokeMethod("EnableStatic", iObj, null); } } /// <summary>cortrol</summary> /// <param name="ipAddr">IPAddr List</param> /// <param name="subnetMask">subnetMask List</param> /// <param name="gateways">gateway List</param> /// <param name="gatewayCostMetric">gateway CostMetric List, example: 1</param> public void ChangeTo(string[] ipAddr, string[] subnetMask, string[] gateways, string[] gatewayCostMetric) { foreach (ManagementObject mo in moc) { if (!(bool)mo["IPEnabled"]) continue; iObj = mo.GetMethodParameters("EnableStatic"); iObj["IPAddress"] = ipAddr; iObj["SubnetMask"] = subnetMask; oObj = mo.InvokeMethod("EnableStatic", iObj, null); iObj = mo.GetMethodParameters("SetGateways"); iObj["DefaultIPGateway"] = gateways; iObj["GatewayCostMetric"] = gatewayCostMetric; oObj = mo.InvokeMethod("SetGateways", iObj, null); } } /// <summary>cortrol</summary> /// <param name="ipAddr">IPAddr List</param> /// <param name="subnetMask">subnetMask List</param> /// <param name="gateways">gateway List</param> /// <param name="gatewayCostMetric">gateway CostMetric List, example: 1</param> /// <param name="dnsServer">DNSServer List</param> public void ChangeTo(string[] ipAddr, string[] subnetMask, string[] gateways, string[] gatewayCostMetric, string[] dnsServer) { foreach (ManagementObject mo in moc) { if (!(bool)mo["IPEnabled"]) continue; iObj = mo.GetMethodParameters("EnableStatic"); iObj["IPAddress"] = ipAddr; iObj["SubnetMask"] = subnetMask; oObj = mo.InvokeMethod("EnableStatic", iObj, null); iObj = mo.GetMethodParameters("SetGateways"); iObj["DefaultIPGateway"] = gateways; iObj["GatewayCostMetric"] = gatewayCostMetric; oObj = mo.InvokeMethod("SetGateways", iObj, null); iObj = mo.GetMethodParameters("SetDNSServerSearchOrder"); iObj["DNSServerSearchOrder"] = dnsServer; oObj = mo.InvokeMethod("SetDNSServerSearchOrder", iObj, null); } } /// <summary>DHCPEnabled</summary> public void EnableDHCP() { foreach (ManagementObject mo in moc) { if (!(bool)mo["IPEnabled"]) continue; if (!(bool)mo["DHCPEnabled"]) { iObj = mo.GetMethodParameters("EnableDHCP"); oObj = mo.InvokeMethod("EnableDHCP", iObj, null); } } } }}