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Dns.GetHostByAddress Método

Definição

Obtém informações de host DNS para um endereço IP. Esses métodos são agora obsoletos.

Sobrecargas

GetHostByAddress(IPAddress)
Obsoleto.
Obsoleto.
Obsoleto.

Cria uma instância de IPHostEntry do IPAddress especificado.

GetHostByAddress(String)
Obsoleto.
Obsoleto.
Obsoleto.

Cria uma instância IPHostEntry com base em um endereço IP.

GetHostByAddress(IPAddress)

Origem:
Dns.cs
Origem:
Dns.cs
Origem:
Dns.cs

Cuidado

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

Cuidado

GetHostByAddress has been deprecated. Use GetHostEntry instead.

Cuidado

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

Cria uma instância de IPHostEntry do IPAddress especificado.

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

Parâmetros

address
IPAddress

Um IPAddress.

Retornos

Uma instância IPHostEntry.

Atributos

Exceções

address é null.

Um erro foi encontrado durante a resolução de address.

Exemplos

O exemplo a seguir cria um IPHostEntry de um 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

Comentários

Observação

Esse membro emite informações de rastreamento quando você habilita o rastreamento de rede em seu aplicativo. Para obter mais informações, consulte Rastreamento de rede no .NET Framework.

Aplica-se a

GetHostByAddress(String)

Origem:
Dns.cs
Origem:
Dns.cs
Origem:
Dns.cs

Cuidado

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

Cuidado

GetHostByAddress has been deprecated. Use GetHostEntry instead.

Cuidado

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

Cria uma instância IPHostEntry com base em um endereço 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

Parâmetros

address
String

Um endereço IP.

Retornos

Uma instância IPHostEntry.

Atributos

Exceções

address é null.

Um erro foi encontrado durante a resolução de address.

address não é um endereço IP válido.

Comentários

Observação

Esse membro emite informações de rastreamento quando você habilita o rastreamento de rede em seu aplicativo. Para obter mais informações, consulte Rastreamento de rede no .NET Framework.

Aplica-se a