Delegate Covariance Confusion Conundrum!

Question

Why does this not work? Do I not understand delegate covariance correctly?

public delegate void MyDelegate(object obj)

public class MyClass
{
    public MyC         


        

Answer 1

The MyDelegate type declares that you can pass any kind of object in. However, MyMethod only takes objects of type SomeObject. What happens if I try to invoke the delegate passing a different kind of object: _delegate("a string object")? According to the declaration of MyDelegate, this should be allowed, but your function MyMethod can't actually receive a string argument.