How to find a Type that inherits from some BaseClass

Question

I have a class

public class BaseClass
{

}

I have a child class

public class ChildClass : BaseClass
{

}

I want to know what classes/types inherit from BaseClass (find ChildClass for example). I know that i have to use assemble and reflection but don't know how/which function to use.

Edit: ok maybe now you'll get it

Answer 1

typeof(BaseClass).Assembly.GetTypes().Where(type => type.IsSubclassOf(typeof(A)));

You can do this by two step:

1. Get all types from Assembly
2. Find only classes which is subclasses of BaseClass