Patent ID: 7108435

Claim:
A method of controlling a host computer which can communicate with a printer device having a stapling function and which transmits to the printer device information for causing the printer device to execute stapling at a designated stapling position, comprising: an acquisition step of acquiring, from the printer device, information relating to printing paper set in a paper feed tray of the printer device, wherein the information includes paper size information and paper condition information indicating a current condition relating to the printing paper set in the paper feed tray, so that said paper feed tray can set the printing paper in one condition among a plurality of conditions, a selection step of selecting a paper feed tray for use that is designated via a setting window of the host computer; and a first control step of controlling display of a stapling position candidate on the printing paper on the basis of the information, acquired by said acquisition step, relating to printing paper set in the paper feed tray selected by said selection step in order to prevent selection of an unstaplable position by a user.