When to pass ref keyword in

Question

I\'ve read the difference between passng and not passing ref in parameters, however, when would I want to use them?

For example, I had some logic in a method which c

Answer 1

The effect is that any changes to the parameter in the method will be reflected in that variable when control passes back to the calling method. So if you want the value assigned to the parameter to survive past the method call it's a possible usecase