How to pass this by ref in C#?

Question

In a class (ClassA) of mine I want to create a related instance of another class (ClassB) providing it with a reference to the object who has initiated it\'s creation. So I\

Answer 1

ref refers to variable references, not object references.

If you just want to pass a reference to an object, the ref keyword isn't necessary. Objects are already reference types, so it's their references being passed by value. The objects themselves aren't copied.

So, you neither need the ref keyword in the constructor nor in the instantiation:

public ClassB(ClassA master)
{
}

var slave = new ClassB(this);