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BOOK: Professional WCF Programming: .NET Dev with Windows Communication Found ISBN: 9780470089842
This is the forum to discuss the Wrox book Professional WCF Programming: .NET Development with the Windows Communication Foundation by Scott Klein; ISBN: 9780470089842
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Old February 21st, 2008, 09:59 AM
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Default Problems with NetMsmqBinding

Hello
I tried to go through the example with the netMsmqBinding at the end of chapter 9 (Transaction).

but there, I have problems. when I try to run the WCFServiceHost I get the following exception:

Operations marked with IsOneWay=true must not declare output parameters, by-reference parameters or return values.

- The Exception seems clear to me, because you are using a return value in the method "MultiplyNumbers". Is that correct??

I used your provided code from the webpage.

Thank you for your help.
Greets Dave

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Old March 26th, 2010, 12:36 PM
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Did anyone get any more info on this?
The more you think about it the more absurd it seems that you could get a return value from a message queue. Did anyone check the example before the book was printed I wonder?
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