Code runs only if a specific page of the MultiPage is selected

How do I do this right?

I am on a UserForm codepage in VBE.
I want my code run on the event of a certain page of the MultiPage1 is selected, the one that has the Tag property set to "Pic"

Current solution:

Please Login or Register  to view this content.

Works, but I would like to improve it so when I move the page backward or forward I do not need to remember to adjust the value property in the above code.

So the desire would be this:

Please Login or Register  to view this content.

(Of course .justselectedpage or .justactivatedpage does not exist.)

Is it possible?

I can't see what the problem is with the first code, any change in the multipage will call the sub, if Page 7 is "active"

It works, but...
I had the nasty experience, once the userform I provided to someone did not work properly after I customized it but forgot to adjust the property.
So it is to eliminate this failure mode happening again, and increasing programming security once I create a clone of the file equipped with the userform.

Provided you only want the sub to run with page 7 I can't see a problem

Next time I might use the same standard content on page #3, or #2.
Or one of my buddies move the page for their application and wonder why the functionalities not working, since they do not know they have to adjust.
It is not a problem really, it would be an improvement item for my convenience for the next application development.
And to fulfill curiosity of 'can this be done?'.