Extending Object Behavior with the Decorator Pattern in C#

Kenji Elzerman

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5 Apr 2023CPOL4 min read

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C# decorator pattern allows adding behavior to objects at runtime. In this tutorial, I show you how to implement the decorator pattern with C# in a minimal API.

Developers love patterns. There are many patterns we can use or follow. A few well-known patterns are the strategy pattern, observer pattern, and builder pattern. There are many more and each has its own pros and cons. This time, I want to show you the decorator pattern. The idea behind this pattern is that you can add behavior to an existing object without affecting other objects of the same class. Sounds complicated? Well, it's not... Once you get to know it.

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This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

Written By

Kenji Elzerman

Software Developer (Senior) Kens Learning Curve

Netherlands

I am a C# developer for over 20 years. I worked on many different projects, different companies, and different techniques. I was a C# teacher for people diagnosed with ADHD and/or autism. Here I have set up a complete training for them to learn programming with C#, basic cloud actions, and architecture. The goal was to help them to learn developing software with C#. But the mission was to help them find a job suitable to their needs.

Now I am enjoying the freedom of traveling the world. Learning new ways to teach and bring information to people through the internet.

Extending Object Behavior with the Decorator Pattern in C#

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