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Editorial Team
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Asked: 2026-05-12T19:37:47+00:00

My customer asked me to implement MTOM/XOP for .NET Remoting via HTTP/SOAP for remote

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My customer asked me to implement MTOM/XOP for .NET Remoting via HTTP/SOAP for remote stream access (for example, file uploading). WCF web services in not an option.

So, what I have to do is modify our custom SoapClientFormatterSink and SoapServerFormatterSink to do the job, i.e. SerializeMessage method, which takes IMessage and if one of the message parameter’ value of type Stream, XOP infoset’s node is inserted into stream and so on.

public class CompatibleSoapClientFormatterSink : IClientFormatterSink
{

  ...

  private void SerializeMessage(IMessage message, out ITransportHeaders headers, out     Stream   stream)
  {

   ...

  }

The problem is I don’t understand how to put binary stream into SOAP request and implementation of this approach in general.

Can someone give me direction to how can I implement it please?

Any code sample of MTOM/XOP implementation would be much appreciated.

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1 Answer

  1. Editorial Team

    Sorry, guys! Nether of your answers work for me.

    So I propose my simple idea of the solution which I already had implemented.

    I used XmlMtomReader and XmlMtomWriter classes from System.Xml namespace to format SOAP messages and then pass them forward to the formatter sink. WCF web services layer wasn’t touched as I wanted.

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