Best/standard method for slowing down Silverlight Prism module loading (for testing)

During localhost testing of modular Prism-based Silverlight applications, the XAP modules download too fast to get a feel for the final result. This makes it difficult to see where progress, splash-screens, or other visual states, needs to be shown.

What is the best (or most standard) method for intentionally slowing down the loading of XAP modules and other content in a local development set-up?

I've been adding the occasional timer delay (v开发者_开发技巧ia a code-based storyboard), but I would prefer something I can place under the hood (in say the Unity loader?) to add a substantial delay to all module loads and in debug builds only.

Suggestions welcomed*

*Note: I have investigated the "large file" option and it is unworkable for large projects (and fails to create XAP with really large files with out of memory error). The solution needs to be code based and preferably integrate behind the scenes to slow down module loading in a local-host environment.

****Note: To clarify, we are specifically seeking an answer compatible with the Microsoft PRISM pattern & PRISM/CAL Libraries.**

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Do not add any files to your module projects. This adds unnecessary regression testing to your module since you are changing the layout of the module by extending the non-executable portion. Chances are you won't do this regression testing, and, who knows if it will cause a problem. Best to be paranoid.

Instead, come up with a Delay(int milliseconds) procedure that you pass into a callback that materializes the callback you use to retrieve the remote assembly.

In other words, decouple assembly resource acquisition from assembly resource usage. Between these two phases insert arbitrarily random amounts of wait time. I would also recommend logging the actual time it took remote users to get the assembly, and use that for future test points so that your UI Designers & QA Team have valuable information on how long users are waiting. This will allow you to cheaply mock-up the end-user's experience in your QA environment. Just make sure your log includes relevant details like the size of the assembly requested.

I posed a question on StackOverflow a few weeks ago about something related to this, and had to deal with the question you posed, so I am confident this is the right answer, born from experience, not cleverness.

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You could simply add huge files (such as videos) to your module projects. It'll take longer to build such projects, but they'll also be bigger and therefore take longer to download locally. When you move to production, simply remove the huge files.