OperationContext.OutgoingMessageHeaders Properti

Definisi

Ruang nama:

System.ServiceModel

Rakitan:

System.ServiceModel.dll, System.ServiceModel.Primitives.dll

Paket:

System.ServiceModel.Primitives v10.0.652802

Sumber:

OperationContext.cs

Mendapatkan header pesan keluar untuk yang aktif OperationContext.

public:
 property System::ServiceModel::Channels::MessageHeaders ^ OutgoingMessageHeaders { System::ServiceModel::Channels::MessageHeaders ^ get(); };

public System.ServiceModel.Channels.MessageHeaders OutgoingMessageHeaders { get; }

member this.OutgoingMessageHeaders : System.ServiceModel.Channels.MessageHeaders

Public ReadOnly Property OutgoingMessageHeaders As MessageHeaders

Nilai Properti

MessageHeaders

Objek MessageHeaders yang berisi header pesan keluar untuk yang aktif OperationContext.

Contoh

Contoh berikut menunjukkan cara menggunakan OperationContextScope untuk membuat konteks baru dalam aplikasi klien untuk menambahkan header kustom ke pesan keluar.

SampleServiceClient wcfClient = new SampleServiceClient(new InstanceContext(this));
try
{
  using (OperationContextScope scope = new OperationContextScope(wcfClient.InnerChannel))
  {
    MessageHeader header
      = MessageHeader.CreateHeader(
      "Service-Bound-CustomHeader",
      "http://Microsoft.WCF.Documentation",
      "Custom Happy Value."
      );
    OperationContext.Current.OutgoingMessageHeaders.Add(header);

    // Making calls.
    Console.WriteLine("Enter the greeting to send: ");
    string greeting = Console.ReadLine();

    //Console.ReadLine();
    header = MessageHeader.CreateHeader(
        "Service-Bound-OneWayHeader",
        "http://Microsoft.WCF.Documentation",
        "Different Happy Value."
      );
    OperationContext.Current.OutgoingMessageHeaders.Add(header);

    // One-way
    wcfClient.Push(greeting);
    this.wait.WaitOne();

    // Done with service.
    wcfClient.Close();
    Console.WriteLine("Done!");
    Console.ReadLine();
  }
}
catch (TimeoutException timeProblem)
{
  Console.WriteLine("The service operation timed out. " + timeProblem.Message);
  Console.ReadLine();
  wcfClient.Abort();
}
catch (CommunicationException commProblem)
{
  Console.WriteLine("There was a communication problem. " + commProblem.Message);
  Console.ReadLine();
  wcfClient.Abort();
}

Dim wcfClient As New SampleServiceClient(New InstanceContext(Me))
Try
  Using scope As New OperationContextScope(wcfClient.InnerChannel)
            Dim header As MessageHeader = MessageHeader.CreateHeader("Service-Bound-CustomHeader", _
                                "http://Microsoft.WCF.Documentation", "Custom Happy Value.")
    OperationContext.Current.OutgoingMessageHeaders.Add(header)

    ' Making calls.
    Console.WriteLine("Enter the greeting to send: ")
    Dim greeting As String = Console.ReadLine()

    'Console.ReadLine();
            header = MessageHeader.CreateHeader("Service-Bound-OneWayHeader", _
                                                "http://Microsoft.WCF.Documentation", "Different Happy Value.")
    OperationContext.Current.OutgoingMessageHeaders.Add(header)

    ' One-way
    wcfClient.Push(greeting)
    Me.wait.WaitOne()

    ' Done with service. 
    wcfClient.Close()
    Console.WriteLine("Done!")
    Console.ReadLine()
  End Using
Catch timeProblem As TimeoutException
  Console.WriteLine("The service operation timed out. " & timeProblem.Message)
  Console.ReadLine()
  wcfClient.Abort()
Catch commProblem As CommunicationException
  Console.WriteLine("There was a communication problem. " & commProblem.Message)
  Console.ReadLine()
  wcfClient.Abort()
End Try

Keterangan

Gunakan properti ini untuk menambahkan header balasan yang dikirim oleh operasi layanan atau header permintaan yang dikirim oleh objek klien WCF.