The role of custom attributes in C# can be confusing. They are easy to use when supplied, but how do you go about creating custom attributes? And when are they useful? This is a Chapter of our ebook ...

Attributes are a powerful feature in the C# programming language that can add metadata information to your assemblies. An attribute is actually an object that is associated with any of these elements: ...

The key to understanding what is going on here is to realise that the attribute class you have defined is instantiated when anything queries MyClass’s custom attributes. To query custom attributes we ...