using System; 
using System.Management; 

namespace ArLi.CommonPrj { 
public class ChangeIP { 

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); 
} 
} 
} 
} 
}