How to tell if an instance is of a certain Type or any derived types

Question

I\'m trying to write a validation to check that an Object instance can be cast to a variable Type. I have a Type instance for the type of object they need to provide. But th

Answer 1

I think you need to restate your conditions, because if obj is an instance of Derived, it will also be an instance of Base. And typ.IsIstanceOfType(obj) will return true.

class Base { }
class Derived : Base { }

object obj = new Derived();
Type typ = typeof(Base);

type.IsInstanceOfType(obj); // = true
type.IsAssignableFrom(obj.GetType()); // = true