Cast delegate and functions.

[Wolftein]

void delegate(Event)
void delegate(T) Where T is a class that inherits Event.
I'm trying to cast (void delegate(T)) to (void delegate(Event)) 
to be able to store them in a map, but when i cast them i get 
null exeception.

Same thing for cast things like this

TemplateClass!Plugin
TemplateClass!OtherTypeOfPlugin -> Being OtherTypeOfPlugin 
inherit Plugin

Using C++ this is allowed.