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    <p>I'd start with Jeremy Miller's <a href="http://codebetter.com/blogs/jeremy.miller/archive/2007/07/25/the-build-your-own-cab-series-table-of-contents.aspx" rel="nofollow noreferrer">Build Your Own Cab</a> series. </p> <p>I was an early CAB adopter. I learned a lot from digging into that technology and reading all the .NET blogs about application architecture. </p> <p>But recently I had a chance to start a new project, and instead of using CAB I went with StructureMap &amp; NHibernate and borrowed some of the patterns that Jeremy uses (in particular, his way of handling event aggregation). The result was a really simplified, hand-tooled framework that does everything I need and I love working with it. </p> <p>As to the specifics of your question: I use a Repository for data access. I initially wrote some ADO.NET code and used data readers and mapped my objects. But that got old real fast, so I grabbed NHibernate and was really pleased. The repositories use NHibernate for data access, and my data access needs are pretty simple in this particular app. </p> <p>I have a service layer (exposed via WCF, Duplex channels) that utilizes the repositories. My app is basically client-server with real time updating (and I know your question was just about clients, but I would use the same technologies and patterns). O</p> <p>n the client side I utilize MVP with StructureMap for IoC and some very simple event aggregation strategies for cross-class communications. I code to interfaces for just about everything. The only other thing I did was borrow from the CAB the idea of a flexible "Workspace" for dynamically displaying views. I wrote my own Workspace interface though and implemented my own DeckWorkspace and TableWorkspace for use in my app (these were really simple things to write). </p> <p>A lot of my decisions in this most recent application were the result of experience and pain I felt using other frameworks and tools. I made different decisions this time around. Maybe the only way to really understand how to architect an application is to feel the pain of doing it wrong beforehand. </p>
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    1. POHow would you architect a desktop application in C# 3.0
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    1. USChris Holmes
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