| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a display device capable of more efficiently using a window displayed by a hardware window display circuit. <P>SOLUTION: This programmable display device 12 has: a window display control part 27 capable of superimposing a predetermined number of windows on a background screen and displaying them; a storage part 26 storing window information showing whether each the window is a local window or a global window by the predetermined number in association with each the window; and an HMI processing part 25 changing window information when a predetermined trigger is generated. When it is shown that the window information of the presently displayed window is the local window, the window display control part 27 can close the window according to a changeover of the background screen. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
