Catalog listing Microsoft Learn module

Refactor large functions using GitHub Copilot Agent: Review

Named reviewer score 2.9 / 5
  • Teaching 3.0
  • Hands-on 3.0
  • Freshness 4.0
  • Value 3.0
  • Career fit 3.0

Provider: Microsoft Learn Format: Guided project Time: About an hour Price: Free on Microsoft Learn. — Check current pricing on the official site.

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Reviewer's verdict

It's a guided tour of a single command, not a course on refactoring. Use it to get comfortable with the `/fix` command, but don't expect it to teach you software engineering.

Decision summary

2.9/5 Last verified: August 31, 2026

Best for

Developers new to Copilot Chat wanting a guided tour of the `/fix` command.

Watch for

Overly prescriptive; you just copy-paste prompts.

  • Teaching 3.0
  • Hands-on 3.0
  • Freshness 4.0
  • Value 3.0
  • Career fit 3.0

Who it's for

Developers new to Copilot Chat wanting a guided tour of the `/fix` command.

Who should skip it

Experienced developers looking for advanced refactoring patterns.

Pros

  • Quick, low-friction introduction to a core Copilot feature.
  • Uses a realistic, if simple, C# project.
  • The sandbox environment works without local setup.

Cons

  • Overly prescriptive; you just copy-paste prompts.
  • Doesn't teach the 'why' behind the refactoring choices.
  • The 'test' step is just running the app, not unit testing.

The core of this module is a single C# file with a bloated `OnPaint` method. Your job is to paste in pre-written prompts. Copilot's chat suggests a refactor. You accept it. That's the whole interaction. This isn't a module on 'how to refactor' so much as a demo of what the `/fix` command can do in a perfect setup.

I was hoping for something that showed the back-and-forth, the bad suggestions you have to reject, or how you'd guide the AI when it misunderstands the goal. But the provided prompts work on the first try, which never happens in a real project. The final step is just running the app to see that it doesn't crash, not writing or running actual unit tests to verify the logic. It's a product feature walkthrough, not a lesson in robust refactoring.

Last verified: August 31, 2026. We re-check course details periodically — see our methodology. Pricing and availability can change; always confirm on the official site.

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