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C# - WCF + WPF + SL shared lib

Posted on 2010-09-04
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Hi,
i am currently developing a Client/Server achitecture based on Windows Communication Foundation technology.

In my solution, i have a Self-hosted WCF service in a WPF Application, a WPF client application, a Contracts/Data library with severals interfaces and classes used as servicecontract and knowntype in the WCF service.

For now, everything work when connecting the WCF service with the WPF client with the contracts/data library as reference in both.

But now im facing a problem where i need to create a silverlight client that will re-use the same contracts/data library and be able to communicate with the WCF service(just like the WPF client is doing it).

Since we cant use Windows based library as reference in a silverlight application, what should i do now?

Thanks in advance!
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Question by:Enill
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by:lenordiste
ID: 33607843
I would advise you to follow SOA/SAAS guidelines if you are building a service that should be able to interact with different client types.
That said, everything should be fine in the scenario you described above as long as the "shared library" only contains contract information. Any other information should not be shared and should only be known to your WCF service.

what are you calling "windows based library"?
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by:Enill
ID: 33608970
By '"Windows based library" i mean that a library project created in Win32/WPF cant be used directly in a silverlight application by adding it as reference.

This is causing a problem where the same type of object need to be managed on silgerlight side than WPF client side(and server). Those types are my "custom" made communications packets classes.
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Accepted Solution

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apeter earned 2000 total points
ID: 33611200

1.  Create a project, Create one more project of type "Siliverlight ClassLibraray" in the WCF server solution file.
2. Add files. Right on the above silverlight project and select "Existing item" . Select your existing Windows based library file. But before client "Add" button select the down arrow and select "Add as link".

In this way you have one source. When you update in windows based library, ur Silverlight libraray also will be updated automatically every time u build. The will create a Silverlight DLL. Now point to this DLL in your silverlight application.

Hope it helps.
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