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Editorial Team
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Asked: 2026-05-31T13:35:05+00:00

What architecture and patterns can I use to share the most model and logic

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What architecture and patterns can I use to share the most model and logic code between a WPF and an ASP.NET MVC application?

I am trying to achieve a bit more here than just separating my data entities from the two presentation projects. There is a lot more in common e.g. UI logic on what gets displayed under what conditions, when is something required, etc. that I would like to keep in the shared code.

ADDED: I am just beginning to really like the concept of view models independent of my entity model driving my presentation. While some of the annotations used in these are located in assemblies specific to MVC, none of the metadata provided is actually web specific. I would very much like to explore using my MVC view models as data sources for binding to WPF views. Any suggestions on this front will be most appreciated.

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  1. Editorial Team

    My personal favorite configuration is similar to the one Adam King suggested above but I like to keep the logic DLL as part of the web project. I run a project called CT Terminal that follows this pattern. My Terminal.Domain project contains all the application logic and simply returns a CommandResult object with properties that act as instructions to tell the UI project what to do. The UI is completely dumb and only processes what it’s told to by the Domain project.

    Now, following Adam King’s approach I would then slap that Domain DLL into a WPF app and then code the UI to follow the instructions in my returned CommandResult object. However, I prefer a different approach. I wrote the MVC 3 UI to expose a JSON API. This API can be consumed by any application. The JSON API was simple because it was basically a wrapper around my Terminal.Domain project CommandResult object. The JSON returned would have the same basic properties. In this way I would write the WPF app to consume this API rather than the DLL. Now if I make minor changes to internal application logic I just deploy the Web project to the live server. All clients using the API automatically get this new logic.

    Obviously if the changes being made affect the properties being returned from the API then that would require a release of new client code, but at least for internal logic you wouldn’t have to do that.

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