Emitted when a page has been removed or transferred to another view.
A typical reason to connect to this signal would be to disconnect signal
handlers connected in the [signal@TabView::page-attached] handler.
It is important not to try and destroy the page child in the handler of
this function as the child might merely be moved to another window; use
child dispose handler for that or do it in sync with your
[method@TabView.close_page_finish] calls.
Emitted when a page has been removed or transferred to another view.
A typical reason to connect to this signal would be to disconnect signal handlers connected in the [signal@TabView::page-attached] handler.
It is important not to try and destroy the page child in the handler of this function as the child might merely be moved to another window; use child dispose handler for that or do it in sync with your [method@TabView.close_page_finish] calls.