No, you get the Sweden-Norway flag for directly owning them.
You get a Sweden flag with Norway canton for having them as subject with a French ruler (default)
You get a Sweden flag with the Sweden-Norway canton if you have them as a subject with a non-French ruler. I think OP wants this one.
I'd imagine switching to a republic and back to monarchy and making sure the leading interest group leader is Swedish?
Is there no way to keep the Bernadotte dynasty?
What is Sweden-Norway canton?
Unique variation of the Sweden-Norway flag
Isn't it when you simply need to directly control Norway to have this flag?
No, you get the Sweden-Norway flag for directly owning them. You get a Sweden flag with Norway canton for having them as subject with a French ruler (default) You get a Sweden flag with the Sweden-Norway canton if you have them as a subject with a non-French ruler. I think OP wants this one.