| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a plural window history managing system requiring a small memory capacity in recording window history and a low processing cost in reproducing the history, and capable of successively and discretely reproducing the history. SOLUTION: A time sequential history information managing means 501 records event generation time information, event contents information and event-window related information as time sequential history information of event and window, a window history information managing means 601 records window structure history information proper to window, and a reproducing method instructing means 701 instructs whethe the reproduction method of the window is to be successive or discrete. When an event monitoring means 201 detects the event, a screen control means 401 records the time sequential history information of the event and the window in the time sequential history information managing means 501 in order of generation and simultaneously records the window structure history information proper to the window in the window history information managing means 601 and reproduces the window structure history information by the reproduction method instructed by the reproduction method instructing means 701.</p> |
