NetSharingManagerClass netSharingMgr = new NetSharingManagerClass();INetSharingEveryConnectionCollection connections = netSharingMgr.EnumEveryConnection;foreach (INetConnection connection in connections){INetConnectionProps connProps = netSharingMgr.get_NetConnectionProps(connection);if (connProps.MediaType == tagNETCON_MEDIATYPE.NCM_LAN){connection.Disconnect(); //禁用網絡connection.Connect();  //啟用網絡}}

const string discVerb = "停用(&B)";const string connVerb = "啟用(&A)";Shell sh = new Shell32.Shell();Folder folder;Folder fd;folder = sh.NameSpace(3);foreach (FolderItem myItem in folder.Items()){if (myItem.Name == "網絡連接"){fd = (Folder)myItem.GetFolder;//禁用網絡foreach (FolderItem fi in fd.Items()){foreach (FolderItemVerb Fib in fi.Verbs()){if (Fib.Name == discVerb){Fib.DoIt();break;}}Thread.Sleep(3000);foreach (FolderItemVerb Fib in fi.Verbs()){//啟用網絡if (Fib.Name == connVerb){Fib.DoIt();break;}}}}}

[DllImport("setupapi.dll")]public static extern IntPtrSetupDiGetClassDevsA(ref Guid ClassGuid, UInt32 Enumerator,IntPtr hwndParent, UInt32 Flags);[DllImport("setupapi.dll")]public static extern IntPtrSetupDiGetClassDevs(UInt32 ClassGuid, String e, IntPtr hwndParent, UInt32 Flags);[DllImport("setupapi.dll")]static extern BooleanSetupDiEnumDeviceInfo(IntPtr DeviceInfoSet, UInt32 MemberIndex,ref SP_DEVINFO_DATA DeviceInfoData);…………uint NewNetStatus = 0;if (newStatus)NewNetStatus = DICS_ENABLE;else   NewNetStatus = DICS_DISABLE;IntPtr NewDeviceInfoSet;SP_DEVINFO_DATA spData = new SP_DEVINFO_DATA();spData.cbSize = (uint)System.Runtime.InteropServices.Marshal.SizeOf(spData);UInt32 RequiredSize = 0;byte[] st1 = new byte[1024];uint Data = 0;NewDeviceInfoSet = SetupDiGetClassDevs(0, "PCI", IntPtr.Zero, DIGCF_PRESENT | DIGCF_ALLCLASSES);bool bFound = false;for (uint i = 0; SetupDiEnumDeviceInfo(NewDeviceInfoSet, i, ref spData); i++){while (!SetupDiGetDeviceRegistryProperty(NewDeviceInfoSet, ref spData, SPDRP_HARDWAREID, ref Data, st1, 1024, ref RequiredSize)){}string str = System.Text.Encoding.ASCII.GetString(st1); ;char[] a ={ '/0' };string[] strSPlit = str.Split(a, StringSplitOptions.RemoveEmptyEntries);string HardId = @"PCI/VEN_10EC&DEV_8029&SUBSYS_00000000";for (uint j = 0; j < strSPlit.Length; j++){if (strSPlit[j] == HardId){bFound = true;break;}}   if (bFound)   break;}SP_PROPCHANGE_PARAMS spPropChangeParam = new SP_PROPCHANGE_PARAMS();spPropChangeParam.Scope = DICS_FLAG_GLOBAL;spPropChangeParam.StateChange = NewNetStatus;spPropChangeParam.ClassInstallHeader.cbSize = (UInt32)System.Runtime.InteropServices.Marshal.SizeOf(spPropChangeParam.ClassInstallHeader);spPropChangeParam.ClassInstallHeader.InstallFunction = DIF_PROPERTYCHANGE;SetupDiSetClassInstallParams(NewDeviceInfoSet, ref spData, ref spPropChangeParam.ClassInstallHeader, System.Runtime.InteropServices.Marshal.SizeOf(spPropChangeParam));SetupDiCallClassInstaller(DIF_PROPERTYCHANGE, NewDeviceInfoSet, ref spData);SetupDiDestroyDeviceInfoList(NewDeviceInfoSet);