| 摘要 |
PURPOSE: An advertisement on Internet and computer is provided to enable a plurality of users to simultaneously use a mouse, and to execute plural application programs simultaneously. CONSTITUTION: One or more pointing devices are added to an existing pointing device in a computer system. A plurality of pointing device recognizing units is employed to recognize the pointing devices. A menu simultaneous calling unit simultaneously calls two or more menus in the computer system. A plurality of simultaneous pointing units is formed to simultaneously designate two or more points during a graphic work in an application program of CAD. The plurality of pointing units is the plurality of pointing devices. A drag and drop based computer application program can be easily used. A memory cost is reduced and more memory is employed. As a result, use of the computer and the application program becomes faster. The present invention is proper when a plurality of works is simultaneously performed. |
