Importance

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Abstract

An execution control section specifies a function object to next be executed on the basis of icon layout information. When there is a second icon is adjoining or adjacent to the right side or the lower side of a first icon, the execution control section applies an output of the function corresponding to the first icon to the function of the second icon, to trigger the function of the second icon. Icon layout information can be formed by merely juxtaposing icons. The execution control section successively executes the functions of the icons in an order in which the icons are juxtaposed. Also, when an icon is operated, a window management system generates an event. In accordance with the event, an operation environment control portion executes and displays an object corresponding to the icon. A program is composed from function objects corresponding to icons laid out. An interpreter of an execution control section receives an execution instruction to be given to a program, and successively executes the function objects by utilizing icon layout information. A process management portion successively executes function objects.

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First Claim