語言

ISendMessageCallback.OnSendMessage(OperationContext) 方法

定義

命名空間:
System.ServiceModel.Activities
組件:
System.ServiceModel.Activities.dll

當發送服務訊息時執行。

public:
 void OnSendMessage(System::ServiceModel::OperationContext ^ operationContext);
public void OnSendMessage(System.ServiceModel.OperationContext operationContext);
abstract member OnSendMessage : System.ServiceModel.OperationContext -> unit
Public Sub OnSendMessage (operationContext As OperationContext)

參數

operationContext
OperationContext

訊息傳送時所處的操作上下文。

範例

以下範例說明如何在訊息發送至線路上前，實作 ISendMessageCallback 對新標頭的介面。

class SendInstanceIdCallback : ISendMessageCallback
{
    public const string HeaderName = "InstanceIdHeader";
    public const string HeaderNS = "http://Microsoft.Samples.AccessingOperationContext";

    public Guid InstanceId { get; set; }

    public void OnSendMessage(System.ServiceModel.OperationContext operationContext)
    {
        operationContext.OutgoingMessageHeaders.Add(MessageHeader.CreateHeader(HeaderName, HeaderNS, this.InstanceId));
    }
}

適用於