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如何获取上次使用的网络连接的名称？

发布于 2024-12-24 03:51:12 字数 127 浏览 1 评论 0原文

我有一个设备（USB调制解调器），可以在计算机中安装很多网络连接，用户可以随时更改网络连接，也可以随时断开连接。然后我需要获取最后使用的网络连接，这可能吗？ windows把它保存在什么东西里？

欢迎采用不同的方法来解决它。

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难以启齿的温柔 2024-12-31 03:51:12

我认为您无法获得“最后一个连接”，但您可以获得活动连接，并且还可以通过网络命名空间中的事件检测“网络断开/连接”。

这是我之前使用过的一些 VB.Net 代码，但您应该明白其意图。

Dim networkAvailable As Boolean = Net.NetworkInformation.NetworkInterface.GetIsNetworkAvailable()
AddHandler System.Net.NetworkInformation.NetworkChange.NetworkAddressChanged, AddressOf NetworkAddressChanged
AddHandler System.Net.NetworkInformation.NetworkChange.NetworkAvailabilityChanged, AddressOf NetworkAvailabilityChanged


Private Sub OutputNetworkAddresses(message As String, linePrefix As String)
    Dim adapters() As Net.NetworkInformation.NetworkInterface
    adapters = Net.NetworkInformation.NetworkInterface.GetAllNetworkInterfaces
    For Each adapter As Net.NetworkInformation.NetworkInterface In adapters

        Dim properties As IPInterfaceProperties = adapter.GetIPProperties()
        For Each ipi As IPAddressInformation In properties.UnicastAddresses
            Dim ip As Net.IPAddress = ipi.Address
            If ip.IsIPv6LinkLocal Or ip.Equals(IPAddress.Any) Or ip.Equals(IPAddress.IPv6Any) Or IPAddress.IsLoopback(ip) Then
                'Debug.Print("IPv6=" & ip.ToString)
            Else
                Console.WriteLine(String.Format("{0} - {1}", linePrefix, ip.ToString()))
            End If
        Next
    Next
End Sub

I don't think you can get the "last connection", but you can get the Active Connection and you can also detect "Network Disconnected/Connected" via events from the Networking namespace.

This is some VB.Net code that I've used previously, but you should see the intent.

Dim networkAvailable As Boolean = Net.NetworkInformation.NetworkInterface.GetIsNetworkAvailable()
AddHandler System.Net.NetworkInformation.NetworkChange.NetworkAddressChanged, AddressOf NetworkAddressChanged
AddHandler System.Net.NetworkInformation.NetworkChange.NetworkAvailabilityChanged, AddressOf NetworkAvailabilityChanged


Private Sub OutputNetworkAddresses(message As String, linePrefix As String)
    Dim adapters() As Net.NetworkInformation.NetworkInterface
    adapters = Net.NetworkInformation.NetworkInterface.GetAllNetworkInterfaces
    For Each adapter As Net.NetworkInformation.NetworkInterface In adapters

        Dim properties As IPInterfaceProperties = adapter.GetIPProperties()
        For Each ipi As IPAddressInformation In properties.UnicastAddresses
            Dim ip As Net.IPAddress = ipi.Address
            If ip.IsIPv6LinkLocal Or ip.Equals(IPAddress.Any) Or ip.Equals(IPAddress.IPv6Any) Or IPAddress.IsLoopback(ip) Then
                'Debug.Print("IPv6=" & ip.ToString)
            Else
                Console.WriteLine(String.Format("{0} - {1}", linePrefix, ip.ToString()))
            End If
        Next
    Next
End Sub

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