Why is the use of reflection in .NET recommended?

Question

Is it definitely a good practice to use it?

What are some possible situations in a project that need reflection?

Answer 1

You can use reflection to implement a system of plugins for example. You just look for all DLL's in a folder and through reflection check if they implement a certain plugin interface. This is the main purpose for which I used reflection, but I also used it to implement a generic home-brew object serialization, where performance was not the greatest concern.