Dns.GetHostByAddress Méthode

Référence

Définition

Espace de noms:: System.Net

Assembly:: System.Net.NameResolution.dll

Assembly:: System.dll

Assembly:: netstandard.dll

Important

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Obtient des données d'hôte DNS pour une adresse IP. Ces méthodes sont désormais obsolètes.

Surcharges

GetHostByAddress(IPAddress)	Obsolète. Obsolète. Obsolète. Crée une instance de IPHostEntry à partir du IPAddress spécifié.
GetHostByAddress(String)	Obsolète. Obsolète. Obsolète. Crée une instance de IPHostEntry à partir d'une adresse IP.

GetHostByAddress(IPAddress)

Source:: Dns.cs

Source:: Dns.cs

Source:: Dns.cs

Attention

GetHostByAddress is obsoleted for this type, please use GetHostEntry instead. https://go.microsoft.com/fwlink/?linkid=14202

Attention

GetHostByAddress has been deprecated. Use GetHostEntry instead.

Attention

GetHostByAddress is obsoleted for this type, please use GetHostEntry instead. http://go.microsoft.com/fwlink/?linkid=14202

Crée une instance de IPHostEntry à partir du IPAddress spécifié.

public:
 static System::Net::IPHostEntry ^ GetHostByAddress(System::Net::IPAddress ^ address);

[System.Obsolete("GetHostByAddress is obsoleted for this type, please use GetHostEntry instead. https://go.microsoft.com/fwlink/?linkid=14202")]
public static System.Net.IPHostEntry GetHostByAddress (System.Net.IPAddress address);

[System.Obsolete("GetHostByAddress has been deprecated. Use GetHostEntry instead.")]
public static System.Net.IPHostEntry GetHostByAddress (System.Net.IPAddress address);

[System.Obsolete("GetHostByAddress is obsoleted for this type, please use GetHostEntry instead. http://go.microsoft.com/fwlink/?linkid=14202")]
public static System.Net.IPHostEntry GetHostByAddress (System.Net.IPAddress address);

public static System.Net.IPHostEntry GetHostByAddress (System.Net.IPAddress address);

[<System.Obsolete("GetHostByAddress is obsoleted for this type, please use GetHostEntry instead. https://go.microsoft.com/fwlink/?linkid=14202")>]
static member GetHostByAddress : System.Net.IPAddress -> System.Net.IPHostEntry

[<System.Obsolete("GetHostByAddress has been deprecated. Use GetHostEntry instead.")>]
static member GetHostByAddress : System.Net.IPAddress -> System.Net.IPHostEntry

[<System.Obsolete("GetHostByAddress is obsoleted for this type, please use GetHostEntry instead. http://go.microsoft.com/fwlink/?linkid=14202")>]
static member GetHostByAddress : System.Net.IPAddress -> System.Net.IPHostEntry

static member GetHostByAddress : System.Net.IPAddress -> System.Net.IPHostEntry

Public Shared Function GetHostByAddress (address As IPAddress) As IPHostEntry

Paramètres

address: IPAddress

Élément IPAddress.

Retours

IPHostEntry

Instance de IPHostEntry.

Attributs: ObsoleteAttribute

Exceptions

ArgumentNullException

address a la valeur null.

SocketException

Une erreur s'est produite lors de la résolution de address.

Exemples

L’exemple suivant crée un à IPHostEntry partir d’un IPAddress.

try
{
   IPAddress^ hostIPAddress = IPAddress::Parse( IpAddressString );
   IPHostEntry^ hostInfo = Dns::GetHostByAddress( hostIPAddress );
   
   // Get the IP address list that resolves to the host names contained in
   // the Alias property.
   array<IPAddress^>^address = hostInfo->AddressList;
   
   // Get the alias names of the addresses in the IP address list.
   array<String^>^alias = hostInfo->Aliases;
   Console::WriteLine( "Host name : {0}", hostInfo->HostName );
   Console::WriteLine( "\nAliases :" );
   for ( int index = 0; index < alias->Length; index++ )
      Console::WriteLine( alias[ index ] );
   Console::WriteLine( "\nIP address list : " );
   for ( int index = 0; index < address->Length; index++ )
      Console::WriteLine( address[ index ] );
}
catch ( SocketException^ e ) 
{
   Console::WriteLine( "SocketException caught!!!" );
   Console::WriteLine( "Source : {0}", e->Source );
   Console::WriteLine( "Message : {0}", e->Message );
}
catch ( FormatException^ e ) 
{
   Console::WriteLine( "FormatException caught!!!" );
   Console::WriteLine( "Source : {0}", e->Source );
   Console::WriteLine( "Message : {0}", e->Message );
}
catch ( ArgumentNullException^ e ) 
{
   Console::WriteLine( "ArgumentNullException caught!!!" );
   Console::WriteLine( "Source : {0}", e->Source );
   Console::WriteLine( "Message : {0}", e->Message );
}
catch ( Exception^ e ) 
{
   Console::WriteLine( "Exception caught!!!" );
   Console::WriteLine( "Source : {0}", e->Source );
   Console::WriteLine( "Message : {0}", e->Message );
}

 try
 {
    IPAddress hostIPAddress = IPAddress.Parse(IpAddressString);
    IPHostEntry hostInfo = Dns.GetHostByAddress(hostIPAddress);
    // Get the IP address list that resolves to the host names contained in
    // the Alias property.
    IPAddress[] address = hostInfo.AddressList;
    // Get the alias names of the addresses in the IP address list.
    String[] alias = hostInfo.Aliases;

    Console.WriteLine("Host name : " + hostInfo.HostName);
    Console.WriteLine("\nAliases :");
    for(int index=0; index < alias.Length; index++) {
      Console.WriteLine(alias[index]);
    }
    Console.WriteLine("\nIP address list : ");
    for(int index=0; index < address.Length; index++) {
       Console.WriteLine(address[index]);
    }
 }
 catch(SocketException e)
 {
Console.WriteLine("SocketException caught!!!");
    Console.WriteLine("Source : " + e.Source);
    Console.WriteLine("Message : " + e.Message);
 }
 catch(FormatException e)
 {
Console.WriteLine("FormatException caught!!!");
    Console.WriteLine("Source : " + e.Source);
    Console.WriteLine("Message : " + e.Message);
 }
 catch(ArgumentNullException e)
 {
Console.WriteLine("ArgumentNullException caught!!!");
    Console.WriteLine("Source : " + e.Source);
    Console.WriteLine("Message : " + e.Message);
 }
 catch(Exception e)
 {
     Console.WriteLine("Exception caught!!!");
     Console.WriteLine("Source : " + e.Source);
     Console.WriteLine("Message : " + e.Message);
 }

Public Sub DisplayHostAddress(IpAddressString As [String])
    Try
        Dim hostIPAddress As IPAddress = IPAddress.Parse(IpAddressString)
        
        ' Call the GetHostByAddress(IPAddress) method, passing an IPAddress object as an argument 
        ' to obtain an IPHostEntry instance, containing address information for the specified host.
        
        Dim hostInfo As IPHostEntry = Dns.GetHostByAddress(hostIPAddress)
        ' Get the IP address list that resolves to the host names contained in 
        ' the Alias property.
        Dim address As IPAddress() = hostInfo.AddressList
        ' Get the alias names of the above addresses in the IP address list.
        Dim [alias] As [String]() = hostInfo.Aliases
        
        Console.WriteLine(("Host name : " + hostInfo.HostName))
        Console.WriteLine(ControlChars.Cr + "Aliases :")
        Dim index As Integer
        For index = 0 To [alias].Length - 1
            Console.WriteLine([alias](index))
        Next index
        Console.WriteLine(ControlChars.Cr + "IP address list : ")

        For index = 0 To address.Length - 1
            Console.WriteLine(address(index))
        Next index
        
    Catch e As SocketException
        Console.WriteLine("SocketException caught!!!")
        Console.WriteLine(("Source : " + e.Source))
        Console.WriteLine(("Message : " + e.Message))
        
    Catch e As FormatException
        Console.WriteLine("FormatException caught!!!")
        Console.WriteLine(("Source : " + e.Source))
        Console.WriteLine(("Message : " + e.Message))
        
    Catch e As ArgumentNullException
        Console.WriteLine("ArgumentNullException caught!!!")
        Console.WriteLine(("Source : " + e.Source))
        Console.WriteLine(("Message : " + e.Message))
        
    Catch e As Exception
        Console.WriteLine("Exception caught!!!")
        Console.WriteLine(("Source : " + e.Source))
        Console.WriteLine(("Message : " + e.Message))
    End Try
End Sub

Remarques

Notes

Ce membre émet des informations de trace lorsque vous activez le suivi réseau dans votre application. Pour plus d’informations, consultez Suivi réseau dans le .NET Framework.

S’applique à

GetHostByAddress(String)

Source:: Dns.cs

Source:: Dns.cs

Source:: Dns.cs

Attention

GetHostByAddress is obsoleted for this type, please use GetHostEntry instead. https://go.microsoft.com/fwlink/?linkid=14202

Attention

GetHostByAddress has been deprecated. Use GetHostEntry instead.

Attention

GetHostByAddress is obsoleted for this type, please use GetHostEntry instead. http://go.microsoft.com/fwlink/?linkid=14202

Crée une instance de IPHostEntry à partir d'une adresse IP.

public:
 static System::Net::IPHostEntry ^ GetHostByAddress(System::String ^ address);

[System.Obsolete("GetHostByAddress is obsoleted for this type, please use GetHostEntry instead. https://go.microsoft.com/fwlink/?linkid=14202")]
public static System.Net.IPHostEntry GetHostByAddress (string address);

[System.Obsolete("GetHostByAddress has been deprecated. Use GetHostEntry instead.")]
public static System.Net.IPHostEntry GetHostByAddress (string address);

[System.Obsolete("GetHostByAddress is obsoleted for this type, please use GetHostEntry instead. http://go.microsoft.com/fwlink/?linkid=14202")]
public static System.Net.IPHostEntry GetHostByAddress (string address);

public static System.Net.IPHostEntry GetHostByAddress (string address);

[<System.Obsolete("GetHostByAddress is obsoleted for this type, please use GetHostEntry instead. https://go.microsoft.com/fwlink/?linkid=14202")>]
static member GetHostByAddress : string -> System.Net.IPHostEntry

[<System.Obsolete("GetHostByAddress has been deprecated. Use GetHostEntry instead.")>]
static member GetHostByAddress : string -> System.Net.IPHostEntry

[<System.Obsolete("GetHostByAddress is obsoleted for this type, please use GetHostEntry instead. http://go.microsoft.com/fwlink/?linkid=14202")>]
static member GetHostByAddress : string -> System.Net.IPHostEntry

static member GetHostByAddress : string -> System.Net.IPHostEntry

Public Shared Function GetHostByAddress (address As String) As IPHostEntry

Paramètres

address: String

Adresse IP.

Retours

IPHostEntry

Instance de IPHostEntry.

Attributs: ObsoleteAttribute

Exceptions

ArgumentNullException

address a la valeur null.

SocketException

Une erreur s'est produite lors de la résolution de address.

FormatException

address n’est pas une adresse IP valide.

Remarques

Notes

Ce membre émet des informations de trace lorsque vous activez le suivi réseau dans votre application. Pour plus d’informations, consultez Suivi réseau dans le .NET Framework.

S’applique à

Dns.GetHostByAddress Méthode

Définition

Surcharges

GetHostByAddress(IPAddress)

Paramètres

Retours

Exceptions

Exemples

Remarques

S’applique à

GetHostByAddress(String)

Paramètres

Retours

Exceptions

Remarques

S’applique à

Commentaires

Ressources supplémentaires