部分代码来自网络，自己收集整理写出来的这个小程序可以对本地IP地址的设置，源码公开！因为IP设置程序程序需要使用到WMI，因此首先添加对WMI的引用，打开【解决方案资源管理器】，在【引用】项上单击右键，并选择【添加引用】菜单项，有需要的可以拿用,程序界面如图：
这里用到一类MaskedTextBox控件，具体使用大家可以百度一下，这里便不多说。源代码如下：
1 using System; 2 using System.Collections.Generic; 3 using System.ComponentModel; 4 using System.Data; 5 using System.Drawing; 6 using System.Linq; 7 using System.Text; 8 using System.Windows.Forms; 9 using System.Management; 10 using System.IO; 11 12 namespace IPSet 13 { 14 public partial class FrmIPset : Form 15 { 16 public FrmIPset() 17 { 18 InitializeComponent(); 19 // 获取本地计算机所有网卡信息 20 string carName = ""; 21 ManagementObjectSearcher search = new ManagementObjectSearcher("SELECT * FROM Win32_NetWorkAdapterConfiguration"); 22 foreach (ManagementObject sear in search.Get()) 23 { 24 if (sear["IPAddress"] != null) 25 { 26 carName = sear["Description"].ToString().Trim(); 27 comboBox1.Items.Add(carName); 28 } 29 } 30 comboBox1.SelectedIndex = 0; 31 } 32 private void button1_Click(object sender, EventArgs e) 33 { 34 ManagementClass mc = new ManagementClass("Win32_NetworkAdapterConfiguration"); 35 ManagementObjectCollection moc = mc.GetInstances(); 36 foreach (ManagementObject mo in moc) 37 { 38 if ((bool)mo["IPEnabled"]) 39 { 40 if (mo["Description"].ToString() == comboBox1.SelectedItem.ToString().Trim()) 41 { 42 ManagementBaseObject newIP =mo.GetMethodParameters("EnableStatic"); 43 ManagementBaseObject newGateway =mo.GetMethodParameters("SetGateways"); 44 ManagementBaseObject newDNS =mo.GetMethodParameters("SetDNSServerSearchOrder"); 45 // 将要修改的目标 IP 地址 46 // string selectNewIP; 47 string IPStr = ""; 48 string[] IPPart = maskedTextBox1.Text.Split('.'); 49 for (int i = 0; i <= 3;i++ ) 50 { 51 //删除尾部首部的空格 52 IPStr+=(IPPart[i].Trim()+"."); 53 } 54 IPStr = IPStr.Substring(0,IPStr.Length-1); 55 newIP["IPAddress"] = new string[] { IPStr }; 56 57 //设置子网掩码 58 string subStr = ""; 59 string[] subPart = mtxtSubNetwork.Text.Split('.'); 60 for (int i = 0; i <= 3; i++) 61 { 62 //删除尾部首部的空格 63 subStr += (subPart[i].Trim() + "."); 64 } 65 subStr = subStr.Substring(0, subStr.Length - 1); 66 newIP["SubnetMask"] = new string[] { subStr }; 67 68 //设置网关地址 69 string gatStr = ""; 70 string[] gatPart = mtxtGateway.Text.Split('.'); 71 for (int i = 0; i <= 3; i++) 72 { 73 gatStr += (gatPart[i].Trim() + "."); 74 } 75 gatStr = gatStr.Substring(0, gatStr.Length - 1); 76 newGateway["DefaultIPGateway"] = new string[] { gatStr }; 77 // 将要修改的目标 DNS 首选地址 78 string dnsStr1 = ""; 79 string[] dnsPart1 = mtxtDNS1.Text.Split('.'); 80 for (int i = 0; i <= 3; i++) 81 { 82 dnsStr1 += (dnsPart1[i].Trim() + "."); 83 } 84 dnsStr1 = dnsStr1.Substring(0, dnsStr1.Length - 1); 85 // 将要修改的目标 DNS 备用地址 86 string dnsStr2 = ""; 87 string[] dnsPart2 = mtxtDNS2.Text.Split('.'); 88 for (int i = 0; i <= 3; i++) 89 { 90 dnsStr2 += (dnsPart2[i].Trim() + "."); 91 } 92 dnsStr2 = dnsStr2.Substring(0, dnsStr2.Length - 1); 93 newDNS["DNSServerSearchOrder"] = new string[] { dnsStr1, dnsStr2 }; 94 // 修改网络设置 95 try 96 { 97 ManagementBaseObject setIP = mo.InvokeMethod("EnableStatic", newIP, null); 98 ManagementBaseObject setGateways = mo.InvokeMethod("SetGateways", newGateway, null); 99 ManagementBaseObject setDNS = mo.InvokeMethod("SetDNSServerSearchOrder", newDNS, null); 100 MessageBox.Show("设置成功"); 101 } 102 catch (Exception ex) 103 { 104 MessageBox.Show(ex .Message); 105 } 106 break; 107 } 108 } 109 } 110 } 111 112 private void button2_Click(object sender, EventArgs e) 113 { 114 Application.Exit(); 115 } 116 //使能修改按键 117 private void maskedTextBox1_TextChanged(object sender, EventArgs e) 118 { 119 button1.Enabled = true; 120 } 121 //自动获取 122 private void button3_Click(object sender, EventArgs e) 123 { 124 ManagementClass mc = new ManagementClass("Win32_NetworkAdapterConfiguration"); 125 ManagementObjectCollection moc = mc.GetInstances(); 126 foreach (ManagementObject mo in moc) 127 { 128 if ((bool)mo["IPEnabled"]) 129 { 130 if (mo["Description"].ToString() == comboBox1.SelectedItem.ToString().Trim()) 131 { 132 //重置DNS为空 133 mo.InvokeMethod("SetDNSServerSearchOrder", null); 134 //开启DHCP 135 mo.InvokeMethod("EnableDHCP", null); 136 MessageBox.Show("自动获取IP成功！"); 137 break; 138 } 139 } 140 } 141 } 142 } 143 }
