focusTo() will scroll the specified cell to the visible area. But there is a bug https://tracker.zkoss.org/browse/KEIKAI-365 at 5.4.0, fixed at 5.5.0. Is this your case?

If you call it in doAfterCompose(), it doesn't work. It still works, when you call it in an event listener.

You can try the latest freshly 5.5.0.FL.20201023-Eval

focusTo() will scroll the specified cell to the visible area. But there is a bug https://tracker.zkoss.org/browse/KEIKAI-365 at 5.4.0, fixed at 5.5.0. Is Do you encounter this your bug case?

If you call it in doAfterCompose(), it doesn't work. It still works, when you call it in an event listener.

You can try the latest freshly 5.5.0.FL.20201023-Eval