[英]Disabling network adapter without admin rights prompt
当用户单击按钮时,我需要在Windows 8平板电脑上启用/禁用所有网络适配器(类似于飞行模式)。
这可以通过Powershell中的以下cmdlet完成:“ Disable-NetAdapter * –Confirm:$ false”及其对应的Enable-NetAdapter。 他们完全按照我的期望去做,但是我有两个问题:
我不想从WPF应用程序运行Powershell。 由于它是建立在.NET Framework之上的,因此无需调用cmdlet,有没有办法做到这一点?
它需要提升的权限(例如,通过右键单击+“以管理员身份运行”启动应用程序)。 我可以从代码中获得提升的权限,但是我总是得到“用户访问控制”弹出窗口,要求批准。 有没有一种方法可以始终以提升的权限启动应用程序而不会弹出窗口?
Win32_NetworkAdapter类包含启用/禁用方法http://msdn.microsoft.com/zh-cn/library/aa394216
这是通过编程启用/禁用连接的代码示例
如果操作需要它们,则需要在Admin或System上下文中运行,理想情况下,由于UAC不会妨碍System,您可以作为服务运行!
这是我实际上在生产中使用的一些VB.NET代码的示例:
Imports System.Management
Imports System.Text.RegularExpressions
Try
Dim scope As New ManagementScope("\\" + computername + "\root\CIMV2")
scope.Connect()
Dim query As New ObjectQuery( _
"SELECT * FROM Win32_NetworkAdapter WHERE Manufacturer != 'Microsoft' AND NOT PNPDeviceID LIKE 'ROOT\\%'")
Dim searcher As New ManagementObjectSearcher(scope, query)
For Each queryObj As ManagementObject In searcher.Get()
Dim ServiceName As String = queryObj("ServiceName")
Dim ProductName As String = queryObj("Description")
If Regex.IsMatch(ServiceName, ".*NETw.*") Then
'if we detect a wireless connection service name...
If Regex.IsMatch(queryObj("netenabled"), ".*true.*", RegexOptions.IgnoreCase) Then
MessageBox.Show(ProductName + " is already enabled! [ " + queryObj("netenabled") + " ]")
Else
'Try to enable the wireless connection here
queryObj.InvokeMethod("Enable", Nothing)
MessageBox.Show(ProductName + " was successfully enabled!")
End If
End If
Next
Catch ex As Exception
Messagebox.show(ex.Message)
End Try
编辑:添加C#等效项:
try {
ManagementScope scope = new ManagementScope("\\\\" + computername + "\\root\\CIMV2");
scope.Connect();
ObjectQuery query = new ObjectQuery("SELECT * FROM Win32_NetworkAdapter WHERE Manufacturer != 'Microsoft' AND NOT PNPDeviceID LIKE 'ROOT\\\\%'");
ManagementObjectSearcher searcher = new ManagementObjectSearcher(scope, query);
foreach (ManagementObject queryObj in searcher.Get()) {
string ServiceName = queryObj("ServiceName");
string ProductName = queryObj("Description");
if (Regex.IsMatch(ServiceName, ".*NETw.*")) {
//if we detect a wireless connection service name...
if (Regex.IsMatch(queryObj("netenabled"), ".*true.*", RegexOptions.IgnoreCase)) {
MessageBox.Show(ProductName + " is already enabled! [ " + queryObj("netenabled") + " ]");
} else {
//Try to enable the wireless connection here
queryObj.InvokeMethod("Enable", null);
MessageBox.Show(ProductName + " was successfully enabled!");
}
}
}
} catch (Exception ex) {
Messagebox.show(ex.Message);
}
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