| 摘要 |
A dragged portion is moved by easily operating a mouse. An input/output device using a graphical user interface, includes: a display section that displays a dragged portion and a movement region in which the dragged portion is moved on a display screen; a dragged portion movement section that selects the dragged portion by an input device and operates the input device so that the position of the dragged portion moves in the movement region on the display screen dependent on the mount of operation of the input device; and a region movement section that selects a portion other than the dragged portion in the movement region on the display screen by the input device and operates the input device, so that the position of the dragged portion in the movement region on the display screen dependent on the amount of operation of the input device. The ratio between the amount of movement of the dragged portion on the display screen and the amount of operation of the input device when the dragged portion is selected is different from the ratio between the amount of movement of the dragged portion on the display screen and the amount of operation of the input device when a portion other than the dragged portion in the movement region is selected.
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