I wanted to verify few design patterns in C# code by static analysis. I

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Asked: May 20, 20262026-05-20T18:20:09+00:00 2026-05-20T18:20:09+00:00

I wanted to verify few design patterns in C# code by static analysis. I

0

I wanted to verify few design patterns in C# code by static analysis. I want to verify these using NDepend. The application is built with MVVM design style, so typical design patterns that I would like to verify are:
1. View-Model classes do not have any DependencyProperties (WPF elements), they should only be seen in View layer.
2. The View layer should not implement IDisposable etc

I have tried building queries in CQL to capture these details, but failed as I need to verify which level a class belongs to and also the properties of it. I understand nested query is not supported by CQL yet, so is there any way I can capture these details by NDepend? I am hoping I can somehow capture the results of multiple queries and perform intersection of them?

Thanks in advance,
Shaun

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1 Answer

Editorial Team · Answer 1 · 2026-05-20T18:20:09+00:00

Editorial Team

2026-05-20T18:20:09+00:00Added an answer on May 20, 2026 at 6:20 pm

The easiest way to get a CQLinq rule that warns if A is using B (A and B can be Assembly/ Namespace/ Type/ Method/ Field) is to view A and B in the Dependency Matrix, and to Generate a code rule that warns if this dependency exists:

Generate a code rule that warns if this dependency exists