| 摘要 |
<p>A graphical system includes a means for defining a first portal (P4, P5, P6) and a second portal (P7); a means for defining a control relationship (4, 5, 6) between the first portal (P4, P5, P6) and the second portal (P7); and a means for specifying a function associated with the control relationship (4, 5, 6) such that, when the first portal (P4, P5, P6) is activated, the function specified is performed on the second portal (P7).</p> |
