| 摘要 |
<P>PROBLEM TO BE SOLVED: To erase temporarily written contents from a shared window even without performing an erasing operation every time with respect to desired write contents. <P>SOLUTION: There are included a first control means (5) for displaying a rendering object written in a shared window until an operator performs an erasing operation while a permanent rendering function is designated by a designation means (4), and a second control means (5) for erasing the rendering object written in the shared window after the lapse of a predetermined time while a temporary rendering function is designated by the designation means (4). <P>COPYRIGHT: (C)2005,JPO&NCIPI |
