OperationContext.IncomingMessageHeaders Property
Definition
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
Gets the incoming message headers for the OperationContext.
public:
property System::ServiceModel::Channels::MessageHeaders ^ IncomingMessageHeaders { System::ServiceModel::Channels::MessageHeaders ^ get(); };
public System.ServiceModel.Channels.MessageHeaders IncomingMessageHeaders { get; }
member this.IncomingMessageHeaders : System.ServiceModel.Channels.MessageHeaders
Public ReadOnly Property IncomingMessageHeaders As MessageHeaders
Property Value
A MessageHeaders object that contains the incoming message headers.
Examples
The following code example shows how to read the incoming message headers in a service operation.
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 == true)
{
Console.WriteLine("IsReferenceParameter header detected: " + h.ToString());
}
}
Console.ResetColor();
}
Friend Class SampleService
Implements ISampleService
#Region "ISampleService Members"
Public Sub Push(ByVal msg As String) Implements ISampleService.Push
Console.WriteLine("Proxy: " & msg)
Me.WriteHeaders(OperationContext.Current.IncomingMessageHeaders)
Dim outBoundHeader As MessageHeader = 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(vbTab)
Console.ForegroundColor = ConsoleColor.Blue
Console.WriteLine(outBoundHeader.ToString())
Console.ResetColor()
OperationContext.Current.GetCallbackChannel(Of IClientCallbackContract)().PushBack("Here's something to examine in response.")
End Sub
Private Sub WriteHeaders(ByVal headers As MessageHeaders)
Console.ForegroundColor = ConsoleColor.Red
Console.WriteLine("IncomingHeader:")
Console.ForegroundColor = ConsoleColor.Blue
For Each h In headers
If Not h.Actor.Equals(String.Empty) Then
Console.WriteLine(vbTab & h.Actor)
End If
Console.ForegroundColor = ConsoleColor.White
Console.WriteLine(vbTab & h.Name)
Console.ForegroundColor = ConsoleColor.Blue
Console.WriteLine(vbTab & h.Namespace)
Console.WriteLine(vbTab & h.Relay)
If h.IsReferenceParameter = True Then
Console.WriteLine("IsReferenceParameter header detected: " & h.ToString())
End If
Next h
Console.ResetColor()
End Sub
Remarks
Use this property to inspect or modify the request headers that arrive at a service operation or reply headers that arrive at a client proxy.
Applies to
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