>>In other words, if you use this syntax, the connection object is automatically closed.
>
>Ok, I see. But I'm not sure how to use it in my class. Can you elaborate a bit?

I don't know if this is applicable in your class and I'm not 100% sure the syntax will work as is.

Can you post a bit of code how you're using this method in your code right now and we'll see, if my idea can work for you or not.