Completes a [method@TabView.close_page] call for @page.
If @confirm is TRUE, @page will be closed. If it's FALSE, it will be
reverted to its previous state and [method@TabView.close_page] can be called
for it again.
This function should not be called unless a custom handler for
[signal@TabView::close-page] is used.
Completes a [method@TabView.close_page] call for @page.
If @confirm is TRUE, @page will be closed. If it's FALSE, it will be reverted to its previous state and [method@TabView.close_page] can be called for it again.
This function should not be called unless a custom handler for [signal@TabView::close-page] is used.