NetworkInterface.GetIPProperties Méthode
Définition
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.
Retourne un objet qui décrit la configuration de cette interface réseau.
public:
virtual System::Net::NetworkInformation::IPInterfaceProperties ^ GetIPProperties();
public:
abstract System::Net::NetworkInformation::IPInterfaceProperties ^ GetIPProperties();
public virtual System.Net.NetworkInformation.IPInterfaceProperties GetIPProperties ();
public abstract System.Net.NetworkInformation.IPInterfaceProperties GetIPProperties ();
abstract member GetIPProperties : unit -> System.Net.NetworkInformation.IPInterfaceProperties
override this.GetIPProperties : unit -> System.Net.NetworkInformation.IPInterfaceProperties
abstract member GetIPProperties : unit -> System.Net.NetworkInformation.IPInterfaceProperties
Public Overridable Function GetIPProperties () As IPInterfaceProperties
Public MustOverride Function GetIPProperties () As IPInterfaceProperties
Retours
Objet IPInterfaceProperties qui décrit cette interface réseau.
Exemples
L’exemple de code suivant affiche des informations sur les cartes réseau de l’ordinateur local qui prennent en charge IPv4.
void DisplayIPv4NetworkInterfaces()
{
array<NetworkInterface^>^nics = NetworkInterface::GetAllNetworkInterfaces();
IPGlobalProperties ^ properties = IPGlobalProperties::GetIPGlobalProperties();
Console::WriteLine( "IPv4 interface information for {0}.{1}", properties->HostName, properties->DomainName );
System::Collections::IEnumerator^ myEnum23 = nics->GetEnumerator();
while ( myEnum23->MoveNext() )
{
NetworkInterface ^ adapter = safe_cast<NetworkInterface ^>(myEnum23->Current);
// Only display informatin for interfaces that support IPv4.
if ( adapter->Supports( NetworkInterfaceComponent::IPv4 ) == false )
{
continue;
}
Console::WriteLine();
Console::WriteLine( adapter->Description );
// Underline the description.
Console::WriteLine( String::Empty->PadLeft( adapter->Description->Length, '=' ) );
IPInterfaceProperties ^ adapterProperties = adapter->GetIPProperties();
// Try to get the IPv4 interface properties.
IPv4InterfaceProperties ^ p = adapterProperties->GetIPv4Properties();
if ( !p )
{
Console::WriteLine( "No IPv4 information is available for this interface." );
continue;
}
// Display the IPv4 specific data.
Console::WriteLine( " Index ............................. : {0}",
p->Index );
Console::WriteLine( " MTU ............................... : {0}",
p->Mtu );
Console::WriteLine( " APIPA active....................... : {0}",
p->IsAutomaticPrivateAddressingActive );
Console::WriteLine( " APIPA enabled...................... : {0}",
p->IsAutomaticPrivateAddressingEnabled );
Console::WriteLine( " Forwarding enabled................. : {0}",
p->IsForwardingEnabled );
Console::WriteLine( " Uses WINS ......................... : {0}",
p->UsesWins );
}
}
public static void DisplayIPv4NetworkInterfaces()
{
NetworkInterface[] nics = NetworkInterface.GetAllNetworkInterfaces();
IPGlobalProperties properties = IPGlobalProperties.GetIPGlobalProperties();
Console.WriteLine("IPv4 interface information for {0}.{1}",
properties.HostName, properties.DomainName);
Console.WriteLine();
foreach (NetworkInterface adapter in nics)
{
// Only display informatin for interfaces that support IPv4.
if (adapter.Supports(NetworkInterfaceComponent.IPv4) == false)
{
continue;
}
Console.WriteLine(adapter.Description);
// Underline the description.
Console.WriteLine(String.Empty.PadLeft(adapter.Description.Length,'='));
IPInterfaceProperties adapterProperties = adapter.GetIPProperties();
// Try to get the IPv4 interface properties.
IPv4InterfaceProperties p = adapterProperties.GetIPv4Properties();
if (p == null)
{
Console.WriteLine("No IPv4 information is available for this interface.");
Console.WriteLine();
continue;
}
// Display the IPv4 specific data.
Console.WriteLine(" Index ............................. : {0}", p.Index);
Console.WriteLine(" MTU ............................... : {0}", p.Mtu);
Console.WriteLine(" APIPA active....................... : {0}",
p.IsAutomaticPrivateAddressingActive);
Console.WriteLine(" APIPA enabled...................... : {0}",
p.IsAutomaticPrivateAddressingEnabled);
Console.WriteLine(" Forwarding enabled................. : {0}",
p.IsForwardingEnabled);
Console.WriteLine(" Uses WINS ......................... : {0}",
p.UsesWins);
Console.WriteLine();
}
}
Public Shared Sub DisplayIPv4NetworkInterfaces()
Dim nics As NetworkInterface() = NetworkInterface.GetAllNetworkInterfaces()
Dim properties As IPGlobalProperties = IPGlobalProperties.GetIPGlobalProperties()
Console.WriteLine("IPv4 interface information for {0}.{1}", properties.HostName, properties.DomainName)
Dim adapter As NetworkInterface
For Each adapter In nics
' Only display informatin for interfaces that support IPv4.
If adapter.Supports(NetworkInterfaceComponent.IPv4) = False Then
GoTo ContinueForEach1
End If
Console.WriteLine()
Console.WriteLine(adapter.Description)
' Underline the description.
Console.WriteLine(String.Empty.PadLeft(adapter.Description.Length, "="c))
Dim adapterProperties As IPInterfaceProperties = adapter.GetIPProperties()
' Try to get the IPv4 interface properties.
Dim p As IPv4InterfaceProperties = adapterProperties.GetIPv4Properties()
If p Is Nothing Then
Console.WriteLine("No IPv4 information is available for this interface.")
GoTo ContinueForEach1
End If
' Display the IPv4 specific data.
Console.WriteLine(" Index ............................. : {0}", p.Index)
Console.WriteLine(" MTU ............................... : {0}", p.Mtu)
Console.WriteLine(" APIPA active....................... : {0}", p.IsAutomaticPrivateAddressingActive)
Console.WriteLine(" APIPA enabled...................... : {0}", p.IsAutomaticPrivateAddressingEnabled)
Console.WriteLine(" Forwarding enabled................. : {0}", p.IsForwardingEnabled)
Console.WriteLine(" Uses WINS ......................... : {0}", p.UsesWins)
ContinueForEach1:
Next adapter
End Sub
Remarques
Notez que les informations dans l’objet retourné par cette méthode reflètent les interfaces au moment de la création du tableau. Ces informations ne sont pas mises à jour dynamiquement.