| 摘要 |
<p>PURPOSE:To improve user's usability by visually displaying the positional relation of plural display windows from two directions, i.e., the top face and the side face. CONSTITUTION:In the case of displaying a window code on a window position display screen 22 observed from the top face, the sort of the window is judged. Whether a superposed window exists or not is judged from the positional relation of the window concerned, and when the superposed window exists, a superposed window code 41 is displayed on the screen 22. When there is no superposed window, the window code of the sort is displayed on the screen 22. In the case of displaying a window code on a window position display screen 23 observed from the side face, the sort of the window is judged. Then whether a superposed window exists or not is judged from the positional relation of the window and a window code 42 is displayed on the screen 23 when a superposed window exists or the window code of the sort is displayed on the screen 23 when there is no superposed window.</p> |
