onPrepare
fun onPrepare( connectFlags: <Error class: unknown class> = ConnectFlags(0u), handler: (page: Widget) -> Unit): <Error class: unknown class>(source)
⚠️ Deprecated ⚠️
This is deprecated since version 4.10.
This widget will be removed in GTK 5
---Emitted when a new page is set as the assistant's current page, before making the new page visible.
A handler for this signal can do any preparations which are necessary before showing @page.
Parameters
connectFlags
a combination of ConnectFlags
handler
the Callback to connect. Params: page the current page