| 摘要 |
A computer system having a visual display which displays a selectable button and permits a user to quickly redisplay a previous visual display selected by the user is dislosed. The selectable button preferably contains a textual or graphical representation upon the face of the button which indicates the previous visual display. When a new visual display is selected by the user, either by single clicking on the button or by a click-and-drag operation, the button is revised such that the previous visual display is selectable by the single clicking on the selectable button. The visual display of this invention allows the user to quickly and conveniently revert to a previous visual display by a single user operation utilizing a selectable button.
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