用C#设置Win7IP地址
我想通过程序来设置电脑的IP地址，怎么写啊，请大家帮忙指点

[解决办法]
通过程序，自己编码来进设置啊，
木有研究过呢，
我不会 vc++
觉得用 vc++ 来实现比较好些，
[解决办法]

C# code

/// <summary>/// 设置IP 子网掩码、默认网关和DNS/// </summary>/// <param name="ip">IP</param>/// <param name="subnetmask">子网掩码</param>/// <param name="gateway">默认网关</param>/// <param name="dns">DNS</param>private bool SetNetworkAdapter(string ip, string subnetmask, string gateway, string dns, string mode)        {            bool success = true;            ManagementBaseObject inPar = null;            ManagementBaseObject outPar = null;            ManagementClass mc = new ManagementClass("Win32_NetworkAdapterConfiguration");            ManagementObjectCollection moc = mc.GetInstances();            foreach (ManagementObject mo in moc)            {                if (mo["Description"].ToString().Trim() == lbCards.SelectedValue.ToString().Trim())                {                    if (!(bool)mo["IPEnabled"])                    {                        MessageBox.Show("已检测到网卡，但无法设置。请检查网卡优先性并确认是否已被禁用或已插网线。");                        Process.Start("ncpa.cpl");//网络连接                        break;                    }                    else                    {                        try                        {                            if (mode == "auto")                            {                                //重置DNS为空                                   mo.InvokeMethod("SetDNSServerSearchOrder", null);                                //开启DHCP                                   mo.InvokeMethod("EnableDHCP", null);                                success = true;                                break;                            }                            else if (mode == "hand")                            {                                //设置ip地址和子网掩码                                 inPar = mo.GetMethodParameters("EnableStatic");                                inPar["IPAddress"] = new string[] { ip };// 1.备用 2.IP                                inPar["SubnetMask"] = new string[] { subnetmask };                                outPar = mo.InvokeMethod("EnableStatic", inPar, null);                                //设置网关地址                                 if (gateway.Equals(String.Empty))                                {                                    mo.InvokeMethod("SetGateways", null);                                }                                else                                {                                    inPar = mo.GetMethodParameters("SetGateways");                                    inPar["DefaultIPGateway"] = new string[] { gateway }; // 1.网关;2.备用网关                                    outPar = mo.InvokeMethod("SetGateways", inPar, null);                                }                                //设置DNS                                 if (dns.Equals(String.Empty))                                {                                    mo.InvokeMethod("SetDNSServerSearchOrder", null);                                }                                else                                {                                    inPar = mo.GetMethodParameters("SetDNSServerSearchOrder");                                    inPar["DNSServerSearchOrder"] = new string[] { dns }; // 1.DNS 2.备用DNS                                    outPar = mo.InvokeMethod("SetDNSServerSearchOrder", inPar, null);                                }                                success = true;                                break;                            }                        }                        catch                        {                            success = false;                        }                    }                }                else                {                    success = false;                }            }            return success;        }