IPInterfaceProperties.DnsAddresses Propriété

Référence

Définition

Espace de noms:: System.Net.NetworkInformation

Assemblys:: netstandard.dll, System.Net.NetworkInformation.dll

Assembly:: System.Net.NetworkInformation.dll

Assembly:: System.dll

Assembly:: netstandard.dll

Important

Certaines informations portent sur la préversion du produit qui est susceptible d’être en grande partie modifiée avant sa publication. Microsoft exclut toute garantie, expresse ou implicite, concernant les informations fournies ici.

Obtient les adresses des serveurs DNS (Domain Name System) pour cette interface.

public:
 abstract property System::Net::NetworkInformation::IPAddressCollection ^ DnsAddresses { System::Net::NetworkInformation::IPAddressCollection ^ get(); };

[System.Runtime.Versioning.UnsupportedOSPlatform("android")]
public abstract System.Net.NetworkInformation.IPAddressCollection DnsAddresses { get; }

public abstract System.Net.NetworkInformation.IPAddressCollection DnsAddresses { get; }

[<System.Runtime.Versioning.UnsupportedOSPlatform("android")>]
member this.DnsAddresses : System.Net.NetworkInformation.IPAddressCollection

member this.DnsAddresses : System.Net.NetworkInformation.IPAddressCollection

Public MustOverride ReadOnly Property DnsAddresses As IPAddressCollection

Valeur de propriété

IPAddressCollection

IPAddressCollection qui contient les adresses des serveurs DNS.

Attributs: UnsupportedOSPlatformAttribute

Exemples

L’exemple de code suivant affiche les adresses DNS pour les interfaces réseau sur l’ordinateur local.

void DisplayDnsAddresses()
{
   array<NetworkInterface^>^adapters = NetworkInterface::GetAllNetworkInterfaces();
   System::Collections::IEnumerator^ myEnum11 = adapters->GetEnumerator();
   while ( myEnum11->MoveNext() )
   {
      NetworkInterface ^ adapter = safe_cast<NetworkInterface ^>(myEnum11->Current);
      IPInterfaceProperties ^ adapterProperties = adapter->GetIPProperties();
      IPAddressCollection ^ dnsServers = adapterProperties->DnsAddresses;
      if ( dnsServers->Count > 0 )
      {
         Console::WriteLine( adapter->Description );
         System::Collections::IEnumerator^ myEnum12 = dnsServers->GetEnumerator();
         while ( myEnum12->MoveNext() )
         {
            IPAddress ^ dns = safe_cast<IPAddress ^>(myEnum12->Current);
            Console::WriteLine( "  DNS Servers ............................. : {0}", 
               dns->ToString());
         }
      }
   }
}

public static void DisplayDnsAddresses()
{
    NetworkInterface[] adapters  = NetworkInterface.GetAllNetworkInterfaces();
    foreach (NetworkInterface adapter in adapters)
    {

        IPInterfaceProperties adapterProperties = adapter.GetIPProperties();
        IPAddressCollection dnsServers = adapterProperties.DnsAddresses;
        if (dnsServers.Count > 0)
        {
            Console.WriteLine(adapter.Description);
            foreach (IPAddress dns in dnsServers)
            {
                Console.WriteLine("  DNS Servers ............................. : {0}",
                    dns.ToString());
            }
            Console.WriteLine();
        }
    }
}

Public Shared Sub DisplayDnsAddresses() 
    Dim adapters As NetworkInterface() = NetworkInterface.GetAllNetworkInterfaces()
    Dim adapter As NetworkInterface
    For Each adapter In  adapters
        
        Dim adapterProperties As IPInterfaceProperties = adapter.GetIPProperties()
        Dim dnsServers As IPAddressCollection = adapterProperties.DnsAddresses
        If dnsServers.Count > 0 Then
            Console.WriteLine(adapter.Description)
            Dim dns As IPAddress
            For Each dns In  dnsServers
                Console.WriteLine("  DNS Servers ............................. : {0}",dns.ToString() )
            Next dns
        End If
    Next adapter

End Sub

Remarques

DNS est un système de nommage hiérarchique utilisé pour mapper les noms d’hôtes aux adresses IP.

S’applique à

Produit	Versions
.NET	Core 1.0, Core 1.1, Core 2.0, Core 2.1, Core 2.2, Core 3.0, Core 3.1, 5, 6, 7, 8, 9, 10
.NET Framework	2.0, 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1
.NET Standard	2.0, 2.1

Partager via