| 摘要 |
<p>PROBLEM TO BE SOLVED: To prevent a screen from becoming complicated and to make a work more efficient by making a degree of importance of each window clearer in a window display device to be used by a personal computer or the like. SOLUTION: A degree of importance setting part 1 sets a period of validity of a window 6 concerned to a period of validity setting part 2 in accordance with the set degree of importance. A period of validity update part 3 resets the period of validity of the window 6 which is set at the period of validity setting part 2 to a shorter time when there is not an access to the window 6 for a specified period, gives an instruction to a drawing color changing part 4 so that a drawing color of the window 6 is made lighter in accordance with the new period of validity, and gives the instruction to a completion instruction part 5 so that the window 6 is to be completed when the remaining period of validity of the window 6 finally becomes zero.</p> |
