How to Retrieve All Classes within a Specific Namespace Using C# Reflection?

Use C# reflection to get the namespace type

How to use reflection in C# to get all classes contained in a specific namespace?

Solution:

Reflection provides a mechanism for accessing metadata about types, methods, and properties in a program. To get all classes defined in a specific namespace, follow these steps:

1. Get assembly reference:

   • Identify the assembly that contains the namespace being checked.

2. Query assembly type:

   • Use LINQ (Language Integrated Query) to filter types in a specified assembly:
   • var q = from t in Assembly.GetExecutingAssembly().GetTypes() where t.IsClass && t.Namespace == nspace select t;

3. Enumeration class name:

   • Convert the query results into a list and iterate over each type, printing its name to the console:
   • q.ToList().ForEach(t => Console.WriteLine(t.Name));

This code snippet assumes the namespace is defined in the current assembly. If the class is spread across multiple assemblies, you must first get a list of all assemblies and then iterate through them to retrieve the types from each namespace.

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