C#编程修改本机的IP，网关等

      这个小程序主要使用了System.Management 中的ManagementClass，ManagementObjectCollection，　ManagementObject等来获取系统的信息，并进行相应的设置，在.NET中都是相当简单的，只用调用相应的函数就可以了，这里主要使用了网卡信息察看和设置。对其他硬件信息的管理也是差不多的，有需要的朋友可以察看

http://msdn.microsoft.com/library/default.asp?url=/library/en-us/wmisdk/wmi/setgateways_method_in_class_win32_networkadapterconfiguration.asp

// Author: abccd
// Date:    2005/04/11
 
 static void SetNetworkAdapter()
        {
            ManagementBaseObject inPar = null;
            ManagementBaseObject outPar = null;
            ManagementClass mc = new ManagementClass("Win32_NetworkAdapterConfiguration");
            ManagementObjectCollection moc = mc.GetInstances();
            foreach( ManagementObject mo in moc )
            {
                if( ! (bool) mo[ "IPEnabled" ] )
                    continue;

                //设置ip地址和子网掩码
                inPar = mo.GetMethodParameters( "EnableStatic" );
                inPar["IPAddress"] = new string[] { "10.22.21.111","192.168.10.9" };
                inPar["SubnetMask"] = new string[] { "255.255.255.0","255.255.255.0" };
                outPar = mo.InvokeMethod( "EnableStatic", inPar, null );

                //设置网关地址
                inPar = mo.GetMethodParameters("SetGateways");
                inPar["DefaultIPGateway"] = new string[] { "10.22.21.1","192.168.10.1"};
                outPar = mo.InvokeMethod( "SetGateways", inPar, null );

                //设置DNS
                inPar = mo.GetMethodParameters("SetDNSServerSearchOrder");
                inPar["DNSServerSearchOrder"] = new string[] {"179.32.42.4","179.32.42.5"};
                outPar = mo.InvokeMethod( "SetDNSServerSearchOrder" ,inPar,null);
                    break;
            }
        }

        /**//// <summary>
        /// 显示当前的ip，子网掩码，网关，DNS，网卡地址等信息
        /// </summary>
        static void ShowNetworkAdapterInfo()
        {
            Console.WriteLine( "****** Current Network Adapter Information ******" );
            ManagementClass mc = new ManagementClass("Win32_NetworkAdapterConfiguration");
            ManagementObjectCollection moc = mc.GetInstances();
            foreach( ManagementObject mo in moc )
            {
                if( ! (bool) mo[ "IPEnabled" ] )
                    continue;

                Console.WriteLine( "{0}\n SVC: '{1}' MAC: [{2}]", (string) mo["Caption"],
                    (string) mo["ServiceName"], (string) mo["MACAddress"] );

                string[] addresses = (string[]) mo[ "IPAddress" ];
                string[] subnets = (string[]) mo[ "IPSubnet" ];
                string[] gateways = (string[]) mo["DefaultIPGateway"];
                string[] dnses = (string[])mo["DNSServerSearchOrder"];

                Console.WriteLine( " Addresses :" );
                foreach(string sad in addresses)
                    Console.WriteLine( "\t'{0}'", sad );

                Console.WriteLine( " Subnets :" );
                foreach(string sub in subnets )
                    Console.WriteLine( "\t'{0}'", sub );
                Console.WriteLine(" Gateways:");
                foreach(string gw in gateways )
                    Console.WriteLine( "\t'{0}'", gw );

                Console.WriteLine(" DNS:");
                foreach(string dns in dnses )
                    Console.WriteLine( "\t'{0}'", dns );                
            }
        }