Rated 3 out of 5 stars
Change the concept!
Is much faster select only what you want print (in addition with one command for delete in 1 click all the rest) and not the contrary because the work for delete each element is very long to do.
Feature already available!
Print Edit already does exactly what you are asking for! If you the select elements you want to keep (either individually using the highlight box or together using the capture area) you can delete all of the rest of the document with one click on the 'Delete Except' button.