[C#]實現啟用與禁用本地網絡的方式小結【3種方式】

1） 使用Hnetcfg.dll

使用Add Reference,把Hnetcfg.dll導入到工程中，會生成3個引用，主要使用NETCONLib。

在工程中要using NETCONLib;

下面是實現的代碼：

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
}
}

2） 使用Shell32.dll

shell32.dll是Windows殼Shell相關應用程序接口動態鏈接庫文件，用於打開網頁和文件。

使用Add Reference,把Shell32.dll導入到工程中。

在工程中要using Shell32;

下面是實現的代碼：

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;
}
}
}
}
}

3） 使用setupapi.dll

setupapi.dll是流行的安裝程序支持相關文件

setupapi.dll不能象前面兩個通過Add Reference導入到工程中，只能使用DllImport

代碼比較多，貼主要代碼

[DllImport("setupapi.dll")]
public static extern IntPtr
SetupDiGetClassDevsA(ref Guid ClassGuid, UInt32 Enumerator,
IntPtr hwndParent, UInt32 Flags);
[DllImport("setupapi.dll")]
public static extern IntPtr
SetupDiGetClassDevs(UInt32 ClassGuid, String e, IntPtr hwndParent, UInt32 Flags);
[DllImport("setupapi.dll")]
static extern Boolean
SetupDiEnumDeviceInfo(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 = http://www.jb51.net/article/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);

資料來源: http://www.itread01.com/articles/1476132922.html