Dns.GetHostByAddress メソッド

定義

IP アドレスの DNS ホスト情報を取得します。Gets DNS host information for an IP address. これらのメソッドは今後使用しません。These methods are now obsolete.

オーバーロード

GetHostByAddress(IPAddress)
互換性のために残されています。
互換性のために残されています。
互換性のために残されています。

指定した IPHostEntry に対する IPAddress インスタンスを作成します。Creates an IPHostEntry instance from the specified IPAddress.

GetHostByAddress(String)
互換性のために残されています。
互換性のために残されています。
互換性のために残されています。

IP アドレスから IPHostEntry インスタンスを作成します。Creates an IPHostEntry instance from an IP address.

GetHostByAddress(IPAddress)

注意事項

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

注意事項

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

注意事項

Use GetHostEntry instead

指定した IPHostEntry に対する IPAddress インスタンスを作成します。Creates an IPHostEntry instance from the specified IPAddress.

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);
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);
[System.Obsolete("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. https://go.microsoft.com/fwlink/?linkid=14202")>]
static member GetHostByAddress : System.Net.IPAddress -> System.Net.IPHostEntry
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
[<System.Obsolete("Use GetHostEntry instead")>]
static member GetHostByAddress : System.Net.IPAddress -> System.Net.IPHostEntry
Public Shared Function GetHostByAddress (address As IPAddress) As IPHostEntry

パラメーター

address
IPAddress

IPAddressAn IPAddress.

戻り値

IPHostEntry

IPHostEntry のインスタンス。An IPHostEntry instance.

属性

例外

addressnullです。address is null.

address を解決するときにエラーが発生しました。An error is encountered when resolving address.

次の例では、からを作成し IPHostEntry IPAddress ます。The following example creates a IPHostEntry from an 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

注釈

注意

このメンバーは、アプリケーションでネットワークトレースを有効にするときにトレース情報を出力します。This member emits trace information when you enable network tracing in your application. 詳細については、「 .NET Framework のネットワークトレース」を参照してください。For more information, see Network Tracing in the .NET Framework.

適用対象

GetHostByAddress(String)

注意事項

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

注意事項

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

注意事項

Use GetHostEntry instead

IP アドレスから IPHostEntry インスタンスを作成します。Creates an IPHostEntry instance from an IP address.

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);
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);
[System.Obsolete("Use GetHostEntry instead")]
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
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
[<System.Obsolete("Use GetHostEntry instead")>]
static member GetHostByAddress : string -> System.Net.IPHostEntry
Public Shared Function GetHostByAddress (address As String) As IPHostEntry

パラメーター

address
String

IP アドレス。An IP address.

戻り値

IPHostEntry

IPHostEntry のインスタンス。An IPHostEntry instance.

属性

例外

addressnullです。address is null.

address を解決するときにエラーが発生しました。An error is encountered when resolving address.

address が有効な IP アドレスではありません。address is not a valid IP address.

注釈

注意

このメンバーは、アプリケーションでネットワークトレースを有効にするときにトレース情報を出力します。This member emits trace information when you enable network tracing in your application. 詳細については、「 .NET Framework のネットワークトレース」を参照してください。For more information, see Network Tracing in the .NET Framework.

適用対象