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POHow can I use the WriteMessage(Stream stream) method of the MessageBuffer object in .NET WCF?
 

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  1. POHow can I use the WriteMessage(Stream stream) method of the MessageBuffer object in .NET WCF?
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    <p>In trying to figure out how to convert a .NET System.ServiceModel.Channels.Message object into an XmlDocument, I thought I could do this:</p> <pre><code>Message message = Message.CreateMessage(messageVersion, "SOAPAction"); using(var messageBuffer = message.CreateBufferedCopy(int.MaxValue)) { var stream = new MemoryStream(); using(var xmlWriter = XmlWriter.Create(stream)) { var xmlDocument = new XmlDocument(); messageBuffer.WriteMessage(stream); stream.Flush(); stream.Position = 0; xmlDocument.Load(stream); stream.Close(); Debug.Writeline(xmlDocument.OuterXml); } } </code></pre> <p>However, this results in an error on the xmlDocument.Load(stream): </p> <pre><code>"Data at the root level is invalid. Line 1, position 1." </code></pre> <p>I now realize I should be using the WriteMessage of the Message object in conjuction with an XmlWriter object like this:</p> <pre><code>Message message = Message.CreateMessage(messageVersion, "SOAPAction"); using(var messageBuffer = message.CreateBufferedCopy(int.MaxValue)) { var stream = new MemoryStream(); using(var xmlWriter = XmlWriter.Create(stream)) { var xmlDocument = new XmlDocument(); messageBuffer.CreateMessage().WriteMessage(xmlWriter); xmlWriter.Flush(); stream.Flush(); stream.Position = 0; xmlDocument.Load(stream); xmlWriter.Close(); stream.Close(); Debug.WriteLine(xmlDocument.OuterXml); } } </code></pre> <p>I'm sure I'm missing some fundamental point, but this leads me to my question - what use is the WriteMessage(Stream stream) on the MessageBuffer object?</p>
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