Generating a list of child classes with reflection in .NET 3.5

Question

At runtime, I would like to specify a parent class, and then the program would generate a list of all children classes (of however many generations). For example, if I had

Answer 1

One possible way would utilize the Type.IsAssignableFrom method. You would loop over all types, and select those for which it is true.

Basically, it would be something like

Type parent = Type.GetType("Entity");
Type[] types = Assembly.GetExecutingAssembly().GetTypes(); // Maybe select some other assembly here, depending on what you need
Type[] inheritingTypes = types.Where(t => parent.IsAssignableFrom(t));

I don't have a compiler available at this time, so I can't verify it, but it should be mostly correct