Asynchronously polls drive to see if media has been inserted or removed.
When the operation is finished, callback will be called. You can then call gio.drive.Drive.pollForMediaFinish to obtain the result of the operation.
optional #GCancellable object, null to ignore.
a #GAsyncReadyCallback, or null.
Asynchronously polls drive to see if media has been inserted or removed.
When the operation is finished, callback will be called. You can then call gio.drive.Drive.pollForMediaFinish to obtain the result of the operation.