Connect to PreUnmount signal.
This signal may be emitted when the #GMount is about to be unmounted.
This signal depends on the backend and is only emitted if GIO was used to unmount.
signal callback delegate or function to connect
void callback(gio.mount.Mount mount)
mount the instance the signal is connected to (optional)
Yes.After to execute callback after default handler, No.After to execute before (default)
Signal ID
Connect to PreUnmount signal.
This signal may be emitted when the #GMount is about to be unmounted.
This signal depends on the backend and is only emitted if GIO was used to unmount.