onMountPreUnmount
fun onMountPreUnmount(connectFlags: <Error class: unknown class> = ConnectFlags(0u), handler: (mount: Mount) -> Unit): <Error class: unknown class>
May be emitted when a mount is about to be removed.
This signal depends on the backend and is only emitted if GIO was used to unmount.
Parameters
connectFlags
a combination of ConnectFlags
handler
the Callback to connect. Params: mount a #GMount that is being unmounted.