OperationContext.IncomingMessageHeaders 屬性

定義

命名空間:

System.ServiceModel

組件:

System.ServiceModel.Primitives.dll

套件:

System.ServiceModel.Primitives v8.1.1

來源:

OperationContext.cs

取得 OperationContext 的傳入訊息標頭。

C#

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

屬性值

MessageHeaders

包含傳入訊息標頭的 MessageHeaders 物件。

範例

下列程式碼範例示範如何讀取服務作業中的傳入訊息標頭。

C#

class SampleService : ISampleService
{
#region ISampleService Members

  public void Push(string msg)
  {
      Console.WriteLine("Proxy: " + msg);
    this.WriteHeaders(OperationContext.Current.IncomingMessageHeaders);
    MessageHeader outBoundHeader
      = MessageHeader.CreateHeader(
        "Client-Bound-One-Way-Header",
        "http://Microsoft.WCF.Documentation",
        "Custom Outbound Header"
      );
    OperationContext.Current.OutgoingMessageHeaders.Add(outBoundHeader);
    Console.ForegroundColor = ConsoleColor.Red;
    Console.WriteLine("OutgoingHeader:");
    Console.Write("\t");
    Console.ForegroundColor = ConsoleColor.Blue;
    Console.WriteLine(outBoundHeader.ToString());
    Console.ResetColor();
    OperationContext.Current.GetCallbackChannel<IClientCallbackContract>().PushBack("Here's something to examine in response.");
  }

  void WriteHeaders(MessageHeaders headers)
  {
    Console.ForegroundColor = ConsoleColor.Red;
    Console.WriteLine("IncomingHeader:");
    Console.ForegroundColor = ConsoleColor.Blue;
    foreach (MessageHeaderInfo h in headers)
    {
      if (!h.Actor.Equals(String.Empty))
        Console.WriteLine("\t" + h.Actor);
      Console.ForegroundColor = ConsoleColor.White;
      Console.WriteLine("\t" + h.Name);
      Console.ForegroundColor = ConsoleColor.Blue;
      Console.WriteLine("\t" + h.Namespace);
      Console.WriteLine("\t" + h.Relay);
      if (h.IsReferenceParameter)
      {
          Console.WriteLine("IsReferenceParameter header detected: " + h.ToString());
      }
    }
    Console.ResetColor();
  }

備註

使用本屬性來檢查或修改到達服務作業的要求標頭，或到達用戶端 Proxy 的回覆標頭。

適用於