C# chang IP dns defaultgatway

mac2022-06-30 18

from :http://stackoverflow.com/questions/209779/how-can-you-change-network-settings-ip-address-dns-wins-host-name-with-code

using System; using System.Management; namespace WindowsFormsApplication_CS { class NetworkManagement { /// <summary> /// Set's a new IP Address and it's Submask of the local machine /// </summary> /// <param name="ip_address">The IP Address</param> /// <param name="subnet_mask">The Submask IP Address</param> /// <remarks>Requires a reference to the System.Management namespace</remarks> public void setIP(string ip_address, string subnet_mask) { ManagementClass objMC = new ManagementClass("Win32_NetworkAdapterConfiguration"); ManagementObjectCollection objMOC = objMC.GetInstances(); foreach (ManagementObject objMO in objMOC) { if ((bool)objMO["IPEnabled"]) { try { ManagementBaseObject setIP; ManagementBaseObject newIP = objMO.GetMethodParameters("EnableStatic"); newIP["IPAddress"] = new string[] { ip_address }; newIP["SubnetMask"] = new string[] { subnet_mask }; setIP = objMO.InvokeMethod("EnableStatic", newIP, null); } catch (Exception) { throw; } } } } /// <summary> /// Set's a new Gateway address of the local machine /// </summary> /// <param name="gateway">The Gateway IP Address</param> /// <remarks>Requires a reference to the System.Management namespace</remarks> public void setGateway(string gateway) { ManagementClass objMC = new ManagementClass("Win32_NetworkAdapterConfiguration"); ManagementObjectCollection objMOC = objMC.GetInstances(); foreach (ManagementObject objMO in objMOC) { if ((bool)objMO["IPEnabled"]) { try { ManagementBaseObject setGateway; ManagementBaseObject newGateway = objMO.GetMethodParameters("SetGateways"); newGateway["DefaultIPGateway"] = new string[] { gateway }; newGateway["GatewayCostMetric"] = new int[] { 1 }; setGateway = objMO.InvokeMethod("SetGateways", newGateway, null); } catch (Exception) { throw; } } } } /// <summary> /// Set's the DNS Server of the local machine /// </summary> /// <param name="NIC">NIC address</param> /// <param name="DNS">DNS server address</param> /// <remarks>Requires a reference to the System.Management namespace</remarks> public void setDNS(string NIC, string DNS) { ManagementClass objMC = new ManagementClass("Win32_NetworkAdapterConfiguration"); ManagementObjectCollection objMOC = objMC.GetInstances(); foreach (ManagementObject objMO in objMOC) { if ((bool)objMO["IPEnabled"]) { if (objMO["Caption"].Equals(NIC)) { try { ManagementBaseObject newDNS = objMO.GetMethodParameters("SetDNSServerSearchOrder"); newDNS["DNSServerSearchOrder"] = DNS.Split(','); ManagementBaseObject setDNS = objMO.InvokeMethod("SetDNSServerSearchOrder", newDNS, null); } catch (Exception) { throw; } } } } } /// <summary> /// Set's WINS of the local machine /// </summary> /// <param name="NIC">NIC Address</param> /// <param name="priWINS">Primary WINS server address</param> /// <param name="secWINS">Secondary WINS server address</param> /// <remarks>Requires a reference to the System.Management namespace</remarks> public void setWINS(string NIC, string priWINS, string secWINS) { ManagementClass objMC = new ManagementClass("Win32_NetworkAdapterConfiguration"); ManagementObjectCollection objMOC = objMC.GetInstances(); foreach (ManagementObject objMO in objMOC) { if ((bool)objMO["IPEnabled"]) { if (objMO["Caption"].Equals(NIC)) { try { ManagementBaseObject setWINS; ManagementBaseObject wins = objMO.GetMethodParameters("SetWINSServer"); wins.SetPropertyValue("WINSPrimaryServer", priWINS); wins.SetPropertyValue("WINSSecondaryServer", secWINS); setWINS = objMO.InvokeMethod("SetWINSServer", wins, null); } catch (Exception) { throw; } } } } } } }

转载于:https://www.cnblogs.com/fightLonely/archive/2010/11/29/1890815.html