| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To preferentially display the window of an application whose priority is high in the forefront, and to prevent the display of the window of the application whose priority is high from being disturbed by an application whose priority is not high. <P>SOLUTION: An exclusive screen is prepared for each application, and the plotting data of a window displayed by the application are written in a corresponding screen based on correspondence information 1201 by a screen writing means 150. A screen mixing means 180 superimposes screens based on a depth value set on each screen, and displays plotting data written in the screen on a display screen 101. A screen management means 120 updates the depth value of depth value information 1401 according to the status of the application. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
