Bagikan melalui

Dns.BeginGetHostByName(String, AsyncCallback, Object) Metode

  • Referensi

Definisi

Ruang nama:
System.Net
Rakitan:
System.Net.NameResolution.dll
Rakitan:
System.dll
Rakitan:
netstandard.dll
Sumber:
Dns.cs
Sumber:
Dns.cs
Sumber:
Dns.cs

Perhatian

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

Perhatian

BeginGetHostByName has been deprecated. Use BeginGetHostEntry instead.

Perhatian

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

Memulai permintaan asinkron untuk IPHostEntry informasi tentang nama host DNS yang ditentukan.

public:
 static IAsyncResult ^ BeginGetHostByName(System::String ^ hostName, AsyncCallback ^ requestCallback, System::Object ^ stateObject);
[System.Obsolete("BeginGetHostByName is obsoleted for this type, please use BeginGetHostEntry instead. https://go.microsoft.com/fwlink/?linkid=14202")]
public static IAsyncResult BeginGetHostByName (string hostName, AsyncCallback? requestCallback, object? stateObject);
[System.Obsolete("BeginGetHostByName has been deprecated. Use BeginGetHostEntry instead.")]
public static IAsyncResult BeginGetHostByName (string hostName, AsyncCallback? requestCallback, object? stateObject);
[System.Obsolete("BeginGetHostByName is obsoleted for this type, please use BeginGetHostEntry instead. http://go.microsoft.com/fwlink/?linkid=14202")]
public static IAsyncResult BeginGetHostByName (string hostName, AsyncCallback requestCallback, object stateObject);
[System.Obsolete("BeginGetHostByName is obsoleted for this type, please use BeginGetHostEntry instead. https://go.microsoft.com/fwlink/?linkid=14202")]
public static IAsyncResult BeginGetHostByName (string hostName, AsyncCallback requestCallback, object stateObject);
public static IAsyncResult BeginGetHostByName (string hostName, AsyncCallback requestCallback, object stateObject);
[<System.Obsolete("BeginGetHostByName is obsoleted for this type, please use BeginGetHostEntry instead. https://go.microsoft.com/fwlink/?linkid=14202")>]
static member BeginGetHostByName : string * AsyncCallback * obj -> IAsyncResult
[<System.Obsolete("BeginGetHostByName has been deprecated. Use BeginGetHostEntry instead.")>]
static member BeginGetHostByName : string * AsyncCallback * obj -> IAsyncResult
[<System.Obsolete("BeginGetHostByName is obsoleted for this type, please use BeginGetHostEntry instead. http://go.microsoft.com/fwlink/?linkid=14202")>]
static member BeginGetHostByName : string * AsyncCallback * obj -> IAsyncResult
static member BeginGetHostByName : string * AsyncCallback * obj -> IAsyncResult
Public Shared Function BeginGetHostByName (hostName As String, requestCallback As AsyncCallback, stateObject As Object) As IAsyncResult

Parameter

hostName
String

Nama DNS host.

requestCallback
AsyncCallback

Delegasi AsyncCallback yang mereferensikan metode yang akan dipanggil saat operasi selesai.

stateObject
Object

Objek yang ditentukan pengguna yang berisi informasi tentang operasi. Objek ini diteruskan ke requestCallback delegasi ketika operasi selesai.

Mengembalikan

IAsyncResult

Instans IAsyncResult yang mereferensikan permintaan asinkron.

Atribut
ObsoleteAttribute

Pengecualian

ArgumentNullException

hostNameadalah null.

SocketException

Terjadi kesalahan saat menjalankan kueri DNS.

Keterangan

Operasi asinkron BeginGetHostByName harus diselesaikan dengan memanggil EndGetHostByName metode . Biasanya, metode ini dipanggil oleh requestCallback delegasi.

Metode ini tidak memblokir sampai operasi selesai. Untuk memblokir hingga operasi selesai, gunakan GetHostByName metode .

Untuk informasi mendetail tentang menggunakan model pemrograman asinkron, lihat Memanggil Metode Sinkron Secara Asinkron.

Catatan

Anggota ini memancarkan informasi pelacakan saat Anda mengaktifkan pelacakan jaringan di aplikasi Anda. Untuk informasi selengkapnya, lihat Pelacakan Jaringan di .NET Framework.

Berlaku untuk

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