| 摘要 |
<p>PROBLEM TO BE SOLVED: To actualize a display device which an sequencingly display screens as a display device having a display part which can display plural screens one over the other in one display face. SOLUTION: When a new window addition button provided to an electronic blackboard is pressed, the reference coordinates of a new window are set to (0, 0) (S62) and the display order N and the number P of pages are increased each by one (S64), and a new window addition flag is set (S66) and a return to the main routine is made. Consequently, the display order is renewed each time a new window is added, so the original display order can be known even when the display order is changed during editing operation.</p> |
