CODEWITHSUNDEEP
c#.netras
Jack
Jack

Reputation: 16724

How to get the name of last network connection used?

I have a device (USB modem) that can install in the computer a lot of network connection, the user can change the network connection any moment and can be disconnected any moment. then I need get the last network connection used, it's possible? the windows save it in any thing?

Different ways to solve it are welcomed.

Upvotes: 0

Views: 509

Answers (1)

Paul Farry
Paul Farry

Reputation: 4768

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

Upvotes: 0

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