为什么无法修改IP

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  我想问一下为什么以下这段代码无法修改IP但是却能修改网关的值

    ManagementClass objMC = new ManagementClass( "Win32_NetworkAdapterConfiguration");
                      ManagementObjectCollection objMOC = objMC.GetInstances();

  
                      foreach (ManagementObject objMO in objMOC)
                      {

                          if (!(bool)objMO["IPEnabled"])
                              continue;
                          try
                          {
                              ManagementBaseObject objNewIP = null;
                              ManagementBaseObject objSetIP = null;
                              ManagementBaseObject objNewGate = null;
                            
                              objNewIP = objMO.GetMethodParameters("EnableStatic");
                              objNewGate = objMO.GetMethodParameters("SetGateways");                   

                              //Set DefaultGateway
                              objNewGate["DefaultIPGateway"] = new string[] { txtGateWay.Text.ToString().Trim()};
                              objNewGate["GatewayCostMetric"] = new int[] {1};

  
                              //Set IPAddress and Subnet Mask
                              objNewIP["IPAddress"] = new string[] { txtIP.Text.ToString().Trim() };                  

                              objSetIP = objMO.InvokeMethod("EnableStatic", objNewIP, null);                          
                              objSetIP = objMO.InvokeMethod("SetGateways", objNewGate, null);                                               
                          }
                            
                          catch (Exception ex)
                          {
                              MessageBox.Show("无法修改 IP : " + ex.Message);
                              return;
                          }

  谢谢：）

  2008年5月22日 7:34

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