IPAddress IPAddress IPAddress IPAddress Class

Definition

Stellt eine Internetprotokolladresse (IP) bereit. Provides an Internet Protocol (IP) address.

public ref class IPAddress
[Serializable]
public class IPAddress
type IPAddress = class
Public Class IPAddress
Inheritance
IPAddressIPAddressIPAddressIPAddress
Attributes
SerializableAttribute

Examples

Im folgenden Codebeispiel wird veranschaulicht, wie zum Abfragen von eines Servers, um die Familien Adressen abzurufen und die IP-Adressen unterstützt.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: InternNetworkV6. 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: InternNetworkV6. 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
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: InternNetworkV6. 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.
        '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

Remarks

Die IPAddress -Klasse enthält die Adresse eines Computers in eine IP-Netzwerk.The IPAddress class contains the address of a computer on an IP network.

Constructors

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

Initialisiert eine neue Instanz der IPAddress-Klasse mit der Adresse, die als Byte-Array angegeben ist. 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)

Initialisiert eine neue Instanz der IPAddress-Klasse mit der Adresse, die als Byte-Array angegeben ist, und dem angegebenen Bezeichner für den Gültigkeitsbereich. 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)

Initialisiert eine neue Instanz der IPAddress-Klasse mit der Adresse, die als Int64 angegeben ist. 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)

Fields

Any Any Any Any

Stellt eine IP-Adresse bereit, die angibt, dass der Server die Clientaktivität an allen Netzwerkschnittstellen überwachen soll. Provides an IP address that indicates that the server must listen for client activity on all network interfaces. Dieses Feld ist schreibgeschützt. This field is read-only.

Broadcast Broadcast Broadcast Broadcast

Stellt die IP-Übertragungsadresse bereit. Provides the IP broadcast address. Dieses Feld ist schreibgeschützt. This field is read-only.

IPv6Any IPv6Any IPv6Any IPv6Any

Die Bind(EndPoint)-Methode gibt über das IPv6Any-Feld an, dass ein Socket die Clientaktivität an allen Netzwerkschnittstellen überwachen muss. 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

Stellt die IP-Loopback-Adresse bereit. Provides the IP loopback address. Diese Eigenschaft ist schreibgeschützt. This property is read-only.

IPv6None IPv6None IPv6None IPv6None

Stellt eine IP-Adresse bereit, die angibt, dass keine Netzwerkschnittstelle verwendet werden soll. Provides an IP address that indicates that no network interface should be used. Diese Eigenschaft ist schreibgeschützt. This property is read-only.

Loopback Loopback Loopback Loopback

Stellt die IP-Loopback-Adresse bereit. Provides the IP loopback address. Dieses Feld ist schreibgeschützt. This field is read-only.

None None None None

Stellt eine IP-Adresse bereit, die angibt, dass keine Netzwerkschnittstelle verwendet werden soll. Provides an IP address that indicates that no network interface should be used. Dieses Feld ist schreibgeschützt. This field is read-only.

Properties

Address Address Address Address

Eine Internetprotokolladresse (IP-Adresse). An Internet Protocol (IP) address.

AddressFamily AddressFamily AddressFamily AddressFamily

Ruft die Adressfamilie der IP-Adresse ab. Gets the address family of the IP address.

IsIPv4MappedToIPv6 IsIPv4MappedToIPv6 IsIPv4MappedToIPv6 IsIPv4MappedToIPv6

Ruft ab, ob die IP Adresse eine globale IPv4-zugeordnete IPv6 Adresse ist. Gets whether the IP address is an IPv4-mapped IPv6 address.

IsIPv6LinkLocal IsIPv6LinkLocal IsIPv6LinkLocal IsIPv6LinkLocal

Ruft ab, ob die Adresse eine IPv6-Link-Local-Adresse ist. Gets whether the address is an IPv6 link local address.

IsIPv6Multicast IsIPv6Multicast IsIPv6Multicast IsIPv6Multicast

Ruft ab, ob die Adresse eine globale IPv6-Multicastadresse ist. Gets whether the address is an IPv6 multicast global address.

IsIPv6SiteLocal IsIPv6SiteLocal IsIPv6SiteLocal IsIPv6SiteLocal

Ruft ab, ob die Adresse eine IPv6-Site-Local-Adresse ist. Gets whether the address is an IPv6 site local address.

IsIPv6Teredo IsIPv6Teredo IsIPv6Teredo IsIPv6Teredo

Ruft einen Wert ab, der angibt, ob die Adresse eine IPv6-Teredo-Adresse ist. Gets whether the address is an IPv6 Teredo address.

ScopeId ScopeId ScopeId ScopeId

Ruft den Bezeichner für den Gültigkeitsbereich der IPv6-Adresse ab oder legt diesen fest. Gets or sets the IPv6 address scope identifier.

Methods

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

Vergleicht zwei IP-Adressen. Compares two IP addresses.

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

Stellt eine Kopie der IPAddress als Bytearray zur Verfügung. Provides a copy of the IPAddress as an array of bytes.

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

Gibt einen Hashwert für eine IP-Adresse zurück. Returns a hash value for an IP address.

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

Ruft den Type der aktuellen Instanz ab. Gets the Type of the current instance.

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

Konvertiert einen kurzen Wert vom Typ Short aus der Host-Bytereihenfolge in die Netzwerk-Bytereihenfolge. Converts a short value from host byte order to network byte order.

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

Konvertiert einen ganzzahligen Wert aus der Host-Bytereihenfolge in die Netzwerk-Bytereihenfolge. Converts an integer value from host byte order to network byte order.

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

Konvertiert einen Wert vom Typ Long aus der Host-Bytereihenfolge in die Netzwerk-Bytereihenfolge. Converts a long value from host byte order to network byte order.

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

Gibt an, ob es sich bei der angegebenen IP-Adresse um die Loopback-Adresse handelt. Indicates whether the specified IP address is the loopback address.

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

Ordnet das IPAddress-Objekt einer IPv4-Adresse zu. Maps the IPAddress object to an IPv4 address.

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

Ordnet das IPAddress-Objekt einer IPv6-Adresse zu. Maps the IPAddress object to an IPv6 address.

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

Erstellt eine flache Kopie des aktuellen Object. Creates a shallow copy of the current Object.

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

Konvertiert einen Wert vom Typ Short aus der Netzwerk-Bytereihenfolge in die Host-Bytereihenfolge. Converts a short value from network byte order to host byte order.

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

Konvertiert einen ganzzahligen Wert aus der Netzwerk-Bytereihenfolge in die Host-Bytereihenfolge. Converts an integer value from network byte order to host byte order.

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

Konvertiert einen Wert vom Typ Long aus der Netzwerk-Bytereihenfolge in die Host-Bytereihenfolge. 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)

Konvertiert eine IP-Adresszeichenfolge in eine IPAddress-Instanz. Converts an IP address string to an IPAddress instance.

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

Konvertiert Internetadressen in die jeweilige Standardnotation. 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)

Ermittelt, ob eine Zeichenfolge eine gültige IP-Adresse ist. 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)

Applies to