IPAddress IPAddress IPAddress IPAddress Class

Définition

Fournit une adresse IP (Internet Protocol).Provides an Internet Protocol (IP) address.

public ref class IPAddress
[System.Serializable]
public class IPAddress
type IPAddress = class
Public Class IPAddress
Héritage
IPAddressIPAddressIPAddressIPAddress
Attributs

Exemples

L’exemple de code suivant montre comment interroger un serveur pour obtenir les adresses de famille et les adresses IP qu’il prend en charge.The following code example shows how to query a server to obtain the family addresses and the IP addresses it supports.

// This program shows how to use the IPAddress class to obtain a server 
// IP addressess and related information.
#using <System.dll>

using namespace System;
using namespace System::Net;
using namespace System::Net::Sockets;
using namespace System::Text::RegularExpressions;

/**
* The IPAddresses method obtains the selected server IP address information.
* It then displays the type of address family supported by the server and its 
* IP address in standard and byte format.
**/
void IPAddresses( String^ server )
{
   try
   {
      System::Text::ASCIIEncoding^ ASCII = gcnew System::Text::ASCIIEncoding;
      
      // Get server related information.
      IPHostEntry^ heserver = Dns::GetHostEntry( server );
      
      // Loop on the AddressList
      System::Collections::IEnumerator^ myEnum = heserver->AddressList->GetEnumerator();
      while ( myEnum->MoveNext() )
      {
         IPAddress^ curAdd = safe_cast<IPAddress^>(myEnum->Current);
         
         // Display the type of address family supported by the server. If the
         // server is IPv6-enabled this value is: InterNetworkV6. If the server
         // is also IPv4-enabled there will be an additional value of InterNetwork.
         Console::WriteLine( "AddressFamily: {0}", curAdd->AddressFamily );
         
         // Display the ScopeId property in case of IPV6 addresses.
         if ( curAdd->AddressFamily.ToString() == ProtocolFamily::InterNetworkV6.ToString() )
                  Console::WriteLine( "Scope Id: {0}", curAdd->ScopeId );

         // Display the server IP address in the standard format. In 
         // IPv4 the format will be dotted-quad notation, in IPv6 it will be
         // in in colon-hexadecimal notation.
         Console::WriteLine( "Address: {0}", curAdd );
         
         // Display the server IP address in byte format.
         Console::Write( "AddressBytes: " );
         
         array<Byte>^bytes = curAdd->GetAddressBytes();
         for ( int i = 0; i < bytes->Length; i++ )
         {
            Console::Write( bytes[ i ] );

         }

         Console::WriteLine( "\r\n" );
      }
   }
   catch ( Exception^ e ) 
   {
      Console::WriteLine( "[DoResolve] Exception: {0}", e );
   }

}


// This IPAddressAdditionalInfo displays additional server address information.
void IPAddressAdditionalInfo()
{
   try
   {
      // Display the flags that show if the server supports IPv4 or IPv6
      // address schemas.
      Console::WriteLine( "\r\nSupportsIPv4: {0}", Socket::SupportsIPv4 );
      Console::WriteLine( "SupportsIPv6: {0}", Socket::SupportsIPv6 );
      if ( Socket::SupportsIPv6 )
      {
         // Display the server Any address. This IP address indicates that the server 
         // should listen for client activity on all network interfaces. 
         Console::WriteLine( "\r\nIPv6Any: {0}", IPAddress::IPv6Any );

         // Display the server loopback address. 
         Console::WriteLine( "IPv6Loopback: {0}", IPAddress::IPv6Loopback );

         // Used during autoconfiguration first phase.
         Console::WriteLine( "IPv6None: {0}", IPAddress::IPv6None );
         Console::WriteLine( "IsLoopback(IPv6Loopback): {0}", IPAddress::IsLoopback( IPAddress::IPv6Loopback ) );
      }
      Console::WriteLine( "IsLoopback(Loopback): {0}", IPAddress::IsLoopback( IPAddress::Loopback ) );
   }
   catch ( Exception^ e ) 
   {
      Console::WriteLine( "[IPAddresses] Exception: {0}", e );
   }

}

int main()
{
   array<String^>^args = Environment::GetCommandLineArgs();
   String^ server = nullptr;

   // Define a regular expression to parse user's input.
   // This is a security check. It allows only
   // alphanumeric input string between 2 to 40 character long.
   Regex^ rex = gcnew Regex( "^[a-zA-Z]\\w{1,39}$" );
   if ( args->Length < 2 )
   {
      // If no server name is passed as an argument to this program, use the current 
      // server name as default.
      server = Dns::GetHostName();
      Console::WriteLine( "Using current host: {0}", server );
   }
   else
   {
      server = args[ 1 ];
      if (  !(rex->Match(server))->Success )
      {
         Console::WriteLine( "Input string format not allowed." );
         return  -1;
      }
   }

   // Get the list of the addresses associated with the requested server.
   IPAddresses( server );

   // Get additonal address information.
   IPAddressAdditionalInfo();
}

// This program shows how to use the IPAddress class to obtain a server 
// IP addressess and related information.

using System;
using System.Net;
using System.Net.Sockets;
using System.Text.RegularExpressions;

namespace Mssc.Services.ConnectionManagement
{

  class TestIPAddress 
  {

    /**
      * The IPAddresses method obtains the selected server IP address information.
      * It then displays the type of address family supported by the server and its 
      * IP address in standard and byte format.
      **/
    private static void IPAddresses(string server) 
    {
      try 
      {
        System.Text.ASCIIEncoding ASCII = new System.Text.ASCIIEncoding();
  
        // Get server related information.
        IPHostEntry heserver = Dns.GetHostEntry(server);

        // Loop on the AddressList
        foreach (IPAddress curAdd in heserver.AddressList) 
        {


          // Display the type of address family supported by the server. If the
          // server is IPv6-enabled this value is: InterNetworkV6. If the server
          // is also IPv4-enabled there will be an additional value of InterNetwork.
          Console.WriteLine("AddressFamily: " + curAdd.AddressFamily.ToString());
          
          // Display the ScopeId property in case of IPV6 addresses.
          if(curAdd.AddressFamily.ToString() == ProtocolFamily.InterNetworkV6.ToString())
            Console.WriteLine("Scope Id: " + curAdd.ScopeId.ToString());


          // Display the server IP address in the standard format. In 
          // IPv4 the format will be dotted-quad notation, in IPv6 it will be
          // in in colon-hexadecimal notation.
          Console.WriteLine("Address: " + curAdd.ToString());
        
          // Display the server IP address in byte format.
          Console.Write("AddressBytes: ");



          Byte[] bytes = curAdd.GetAddressBytes();
          for (int i = 0; i < bytes.Length; i++) 
          {
            Console.Write(bytes[i]);
          }                          

          Console.WriteLine("\r\n");

        }

      }
      catch (Exception e) 
      {
        Console.WriteLine("[DoResolve] Exception: " + e.ToString());
      }
    }

    // This IPAddressAdditionalInfo displays additional server address information.
    private static void IPAddressAdditionalInfo() 
    {
      try 
      {
        // Display the flags that show if the server supports IPv4 or IPv6
        // address schemas.
        Console.WriteLine("\r\nSupportsIPv4: " + Socket.SupportsIPv4);
        Console.WriteLine("SupportsIPv6: " + Socket.SupportsIPv6);

        if (Socket.SupportsIPv6)
        {
          // Display the server Any address. This IP address indicates that the server 
          // should listen for client activity on all network interfaces. 
          Console.WriteLine("\r\nIPv6Any: " + IPAddress.IPv6Any.ToString());

          // Display the server loopback address. 
          Console.WriteLine("IPv6Loopback: " + IPAddress.IPv6Loopback.ToString());
      
          // Used during autoconfiguration first phase.
          Console.WriteLine("IPv6None: " + IPAddress.IPv6None.ToString());
      
          Console.WriteLine("IsLoopback(IPv6Loopback): " + IPAddress.IsLoopback(IPAddress.IPv6Loopback));
        }
        Console.WriteLine("IsLoopback(Loopback): " + IPAddress.IsLoopback(IPAddress.Loopback));
      }
      catch (Exception e) 
      {
        Console.WriteLine("[IPAddresses] Exception: " + e.ToString());
      }
    }


    public static void Main(string[] args) 
    {
      string server = null;
    
      // Define a regular expression to parse user's input.
      // This is a security check. It allows only
      // alphanumeric input string between 2 to 40 character long.
      Regex rex = new Regex(@"^[a-zA-Z]\w{1,39}$");

      if (args.Length < 1)
      {
        // If no server name is passed as an argument to this program, use the current 
        // server name as default.
        server = Dns.GetHostName();
        Console.WriteLine("Using current host: " + server);
      }
      else
      {
        server = args[0];
        if (!(rex.Match(server)).Success)
        {
          Console.WriteLine("Input string format not allowed.");
          return;
        }
      }

      // Get the list of the addresses associated with the requested server.
      IPAddresses(server);
    
      // Get additonal address information.
      IPAddressAdditionalInfo();
    }

  }
}
' This program shows how to use the IPAddress class to obtain a server 
' IP addressess and related information.
Imports System.Net
Imports System.Net.Sockets
Imports System.Text.RegularExpressions
Imports Microsoft.VisualBasic


Namespace Mssc.Services.ConnectionManagement
  Module M_TestIPAddress

    Class TestIPAddress

      'The IPAddresses method obtains the selected server IP address information.
      'It then displays the type of address family supported by the server and 
      'its IP address in standard and byte format.
      Private Shared Sub IPAddresses(ByVal server As String)
        Try
          Dim ASCII As New System.Text.ASCIIEncoding()

          ' Get server related information.
          Dim heserver As IPHostEntry = Dns.Resolve(server)

          ' Loop on the AddressList
          Dim curAdd As IPAddress
          For Each curAdd In heserver.AddressList

            ' Display the type of address family supported by the server. If the
            ' server is IPv6-enabled this value is: InterNetworkV6. If the server
            ' is also IPv4-enabled there will be an additional value of InterNetwork.
            Console.WriteLine(("AddressFamily: " + curAdd.AddressFamily.ToString()))

            ' Display the ScopeId property in case of IPV6 addresses.
            If curAdd.AddressFamily.ToString() = ProtocolFamily.InterNetworkV6.ToString() Then
              Console.WriteLine(("Scope Id: " + curAdd.ScopeId.ToString()))
            End If

            ' Display the server IP address in the standard format. In 
            ' IPv4 the format will be dotted-quad notation, in IPv6 it will be
            ' in in colon-hexadecimal notation.
            Console.WriteLine(("Address: " + curAdd.ToString()))

            ' Display the server IP address in byte format.
            Console.Write("AddressBytes: ")



            Dim bytes As [Byte]() = curAdd.GetAddressBytes()
            Dim i As Integer
            For i = 0 To bytes.Length - 1
              Console.Write(bytes(i))
            Next i
            Console.WriteLine(ControlChars.Cr + ControlChars.Lf)
          Next curAdd 

        Catch e As Exception
          Console.WriteLine(("[DoResolve] Exception: " + e.ToString()))
        End Try
      End Sub 'IPAddresses


      ' This IPAddressAdditionalInfo displays additional server address information.
      Private Shared Sub IPAddressAdditionalInfo()
        Try
          ' Display the flags that show if the server supports IPv4 or IPv6
          ' address schemas.
          Console.WriteLine((ControlChars.Cr + ControlChars.Lf + "SupportsIPv4: " + Socket.SupportsIPv4.ToString()))
          Console.WriteLine(("SupportsIPv6: " + Socket.SupportsIPv6.ToString()))

          If Socket.SupportsIPv6 Then
            ' Display the server Any address. This IP address indicates that the server 
            ' should listen for client activity on all network interfaces. 
            Console.WriteLine((ControlChars.Cr + ControlChars.Lf + "IPv6Any: " + IPAddress.IPv6Any.ToString()))

            ' Display the server loopback address. 
            Console.WriteLine(("IPv6Loopback: " + IPAddress.IPv6Loopback.ToString()))

            ' Used during autoconfiguration first phase.
            Console.WriteLine(("IPv6None: " + IPAddress.IPv6None.ToString()))

            Console.WriteLine(("IsLoopback(IPv6Loopback): " + IPAddress.IsLoopback(IPAddress.IPv6Loopback).ToString()))
          End If
          Console.WriteLine(("IsLoopback(Loopback): " + IPAddress.IsLoopback(IPAddress.Loopback).ToString()))
        Catch e As Exception
          Console.WriteLine(("[IPAddresses] Exception: " + e.ToString()))
        End Try
      End Sub 'IPAddressAdditionalInfo

      Public Shared Sub Main(ByVal args() As String)
        Dim server As String = Nothing

        ' Define a regular expression to parse user's input.
        ' This is a security check. It allows only
        ' alphanumeric input string between 2 to 40 character long.
        Dim rex As New Regex("^[a-zA-Z]\w{1,39}$")

        If args.Length < 1 Then
          ' If no server name is passed as an argument to this program, use the current 
          ' server name as default.
          server = Dns.GetHostName()
          Console.WriteLine(("Using current host: " + server))
        Else
          server = args(0)
          If Not rex.Match(server).Success Then
            Console.WriteLine("Input string format not allowed.")
            Return
          End If
        End If

        ' Get the list of the addresses associated with the requested server.
        IPAddresses(server)

        ' Get additonal address information.
        IPAddressAdditionalInfo()
      End Sub 'Main
    End Class 'TestIPAddress
  End Module
End Namespace

Remarques

Le IPAddress classe contient l’adresse d’un ordinateur sur un réseau IP.The IPAddress class contains the address of a computer on an IP network.

Constructeurs

IPAddress(Byte[]) IPAddress(Byte[]) IPAddress(Byte[]) IPAddress(Byte[])

Initialise une nouvelle instance de la classe IPAddress avec l'adresse spécifiée sous forme de tableau de Byte.Initializes a new instance of the IPAddress class with the address specified as a Byte array.

IPAddress(Byte[], Int64) IPAddress(Byte[], Int64) IPAddress(Byte[], Int64) IPAddress(Byte[], Int64)

Initialise une nouvelle instance de la classe IPAddress avec l'adresse spécifiée sous forme de tableau de Byte et l'identificateur de portée spécifié.Initializes a new instance of the IPAddress class with the address specified as a Byte array and the specified scope identifier.

IPAddress(Int64) IPAddress(Int64) IPAddress(Int64) IPAddress(Int64)

Initialise une nouvelle instance de la classe IPAddress avec l'adresse spécifiée sous forme de Int64.Initializes a new instance of the IPAddress class with the address specified as an Int64.

IPAddress(ReadOnlySpan<Byte>) IPAddress(ReadOnlySpan<Byte>) IPAddress(ReadOnlySpan<Byte>) IPAddress(ReadOnlySpan<Byte>)
IPAddress(ReadOnlySpan<Byte>, Int64) IPAddress(ReadOnlySpan<Byte>, Int64) IPAddress(ReadOnlySpan<Byte>, Int64) IPAddress(ReadOnlySpan<Byte>, Int64)

Champs

Any Any Any Any

Fournit une adresse IP qui indique que le serveur doit écouter les activités des clients sur toutes les interfaces réseau.Provides an IP address that indicates that the server must listen for client activity on all network interfaces. Ce champ est en lecture seule.This field is read-only.

Broadcast Broadcast Broadcast Broadcast

Fournit une adresse de diffusion IP.Provides the IP broadcast address. Ce champ est en lecture seule.This field is read-only.

IPv6Any IPv6Any IPv6Any IPv6Any

La méthode Bind(EndPoint) utilise le champ IPv6Any pour indiquer que Socket doit écouter les activités des clients sur toutes les interfaces réseau.The Bind(EndPoint) method uses the IPv6Any field to indicate that a Socket must listen for client activity on all network interfaces.

IPv6Loopback IPv6Loopback IPv6Loopback IPv6Loopback

Fournit l'adresse de bouclage IP.Provides the IP loopback address. Cette propriété est en lecture seule.This property is read-only.

IPv6None IPv6None IPv6None IPv6None

Fournit une adresse IP qui indique qu'aucune interface réseau ne doit être utilisée.Provides an IP address that indicates that no network interface should be used. Cette propriété est en lecture seule.This property is read-only.

Loopback Loopback Loopback Loopback

Fournit l'adresse de bouclage IP.Provides the IP loopback address. Ce champ est en lecture seule.This field is read-only.

None None None None

Fournit une adresse IP qui indique qu'aucune interface réseau ne doit être utilisée.Provides an IP address that indicates that no network interface should be used. Ce champ est en lecture seule.This field is read-only.

Propriétés

Address Address Address Address

Adresse IP (Internet Protocol).An Internet Protocol (IP) address.

AddressFamily AddressFamily AddressFamily AddressFamily

Obtient la famille d'adresses de l'adresse IP.Gets the address family of the IP address.

IsIPv4MappedToIPv6 IsIPv4MappedToIPv6 IsIPv4MappedToIPv6 IsIPv4MappedToIPv6

Indique si l'adresse IP est une adresse IPv6 mappée IPv4.Gets whether the IP address is an IPv4-mapped IPv6 address.

IsIPv6LinkLocal IsIPv6LinkLocal IsIPv6LinkLocal IsIPv6LinkLocal

Indique si l'adresse est une adresse de lien local IPv6.Gets whether the address is an IPv6 link local address.

IsIPv6Multicast IsIPv6Multicast IsIPv6Multicast IsIPv6Multicast

Indique si l'adresse est une adresse globale multicast IPv6.Gets whether the address is an IPv6 multicast global address.

IsIPv6SiteLocal IsIPv6SiteLocal IsIPv6SiteLocal IsIPv6SiteLocal

Indique si l'adresse est une adresse de site local IPv6.Gets whether the address is an IPv6 site local address.

IsIPv6Teredo IsIPv6Teredo IsIPv6Teredo IsIPv6Teredo

Indique si l'adresse est une adresse Teredo IPv6.Gets whether the address is an IPv6 Teredo address.

ScopeId ScopeId ScopeId ScopeId

Obtient ou définit l'identificateur de portée d'adresse IPv6.Gets or sets the IPv6 address scope identifier.

Méthodes

Equals(Object) Equals(Object) Equals(Object) Equals(Object)

Compare deux adresses IP.Compares two IP addresses.

GetAddressBytes() GetAddressBytes() GetAddressBytes() GetAddressBytes()

Fournit une copie de IPAddress sous forme de tableau d'octets.Provides a copy of the IPAddress as an array of bytes.

GetHashCode() GetHashCode() GetHashCode() GetHashCode()

Retourne une valeur de hachage pour une adresse IP.Returns a hash value for an IP address.

GetType() GetType() GetType() GetType()

Obtient le Type de l'instance actuelle.Gets the Type of the current instance.

(Inherited from Object)
HostToNetworkOrder(Int16) HostToNetworkOrder(Int16) HostToNetworkOrder(Int16) HostToNetworkOrder(Int16)

Convertit une valeur courte pour qu'elle utilise l'ordre d'octet du réseau, et non celui de l'hôte.Converts a short value from host byte order to network byte order.

HostToNetworkOrder(Int32) HostToNetworkOrder(Int32) HostToNetworkOrder(Int32) HostToNetworkOrder(Int32)

Convertit une valeur entière pour qu'elle utilise l'ordre d'octet du réseau, et non celui de l'hôte.Converts an integer value from host byte order to network byte order.

HostToNetworkOrder(Int64) HostToNetworkOrder(Int64) HostToNetworkOrder(Int64) HostToNetworkOrder(Int64)

Convertit une valeur de type Long pour qu'elle utilise l'ordre d'octet du réseau, et non celui de l'hôte.Converts a long value from host byte order to network byte order.

IsLoopback(IPAddress) IsLoopback(IPAddress) IsLoopback(IPAddress) IsLoopback(IPAddress)

Indique si l'adresse IP spécifiée est une adresse de bouclage.Indicates whether the specified IP address is the loopback address.

MapToIPv4() MapToIPv4() MapToIPv4() MapToIPv4()

Mappe l'objet IPAddress à une adresse IPv4.Maps the IPAddress object to an IPv4 address.

MapToIPv6() MapToIPv6() MapToIPv6() MapToIPv6()

Mappe l'objet IPAddress à une adresse IPv6.Maps the IPAddress object to an IPv6 address.

MemberwiseClone() MemberwiseClone() MemberwiseClone() MemberwiseClone()

Crée une copie superficielle du Object actuel.Creates a shallow copy of the current Object.

(Inherited from Object)
NetworkToHostOrder(Int16) NetworkToHostOrder(Int16) NetworkToHostOrder(Int16) NetworkToHostOrder(Int16)

Convertit une valeur courte pour qu'elle utilise l'ordre d'octet de l'hôte, et non celui du réseau.Converts a short value from network byte order to host byte order.

NetworkToHostOrder(Int32) NetworkToHostOrder(Int32) NetworkToHostOrder(Int32) NetworkToHostOrder(Int32)

Convertit une valeur entière pour qu'elle utilise l'ordre d'octet de l'hôte, et non celui du réseau.Converts an integer value from network byte order to host byte order.

NetworkToHostOrder(Int64) NetworkToHostOrder(Int64) NetworkToHostOrder(Int64) NetworkToHostOrder(Int64)

Convertit une valeur de type Long pour qu'elle utilise l'ordre d'octet de l'hôte, et non celui du réseau.Converts a long value from network byte order to host byte order.

Parse(ReadOnlySpan<Char>) Parse(ReadOnlySpan<Char>) Parse(ReadOnlySpan<Char>) Parse(ReadOnlySpan<Char>)
Parse(String) Parse(String) Parse(String) Parse(String)

Convertit une chaîne d'adresse IP en instance de IPAddress.Converts an IP address string to an IPAddress instance.

ToString() ToString() ToString() ToString()

Convertit une adresse Internet en notation standard.Converts an Internet address to its standard notation.

TryFormat(Span<Char>, Int32) TryFormat(Span<Char>, Int32) TryFormat(Span<Char>, Int32) TryFormat(Span<Char>, Int32)
TryParse(ReadOnlySpan<Char>, IPAddress) TryParse(ReadOnlySpan<Char>, IPAddress) TryParse(ReadOnlySpan<Char>, IPAddress) TryParse(ReadOnlySpan<Char>, IPAddress)
TryParse(String, IPAddress) TryParse(String, IPAddress) TryParse(String, IPAddress) TryParse(String, IPAddress)

Détermine si une chaîne est une adresse IP valide.Determines whether a string is a valid IP address.

TryWriteBytes(Span<Byte>, Int32) TryWriteBytes(Span<Byte>, Int32) TryWriteBytes(Span<Byte>, Int32) TryWriteBytes(Span<Byte>, Int32)

S’applique à