How Can I Retrieve All Classes from a Specific Namespace Using C# Reflection?

Use C# reflection to get the namespace type

In C#, using reflection to obtain all classes defined in a specific namespace is a valuable introspection and dynamic programming technique.

Question:

How to use C# reflection to get all class types in a namespace?

Solution:

The

solution involves using the Assembly and Type classes to check the currently executing assembly and filter out the required classes based on the namespace. Here is a detailed code example:

<code class="language-csharp">string nspace = "..."; // 指定目标命名空间

var q = from t in Assembly.GetExecutingAssembly().GetTypes()
        where t.IsClass && t.Namespace == nspace
        select t;
q.ToList().ForEach(t => Console.WriteLine(t.Name));</code>

This code snippet retrieves the executing assembly and queries all its types. It filters the results to include only classes belonging to the specified namespace (IsClass). Then list the result classes by printing their names to the console.

Please note that a namespace may be spread across multiple modules. To handle this situation, consider retrieving a list of assemblies and then searching for the type in each assembly.

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