gtk:assistant-insert-page (assistant page position)

assistant -- a gtk:assistant widget
page -- a gtk:widget page of the assistant
position -- an integer with the index starting at 0 at which to insert page, or -1 to append page to the assistant

The index starting from 0 of the inserted page.

Inserts a page in the assistant at a given position. The gtk:assistant implementation is deprecated since 4.10. This widget will be removed in GTK 5.