摘要 |
<p>When a program invokes a synchronous user interface display, it is determined whether an asynchronous user interface (UI) display needs to be generated. If so, the user interface thread invoked by the synchronous program is blocked and the asynchronous UI display is generated and displayed so that it covers the synchronous display on the UI display screen. When the processing corresponding to the synchronous user interface display is complete, processing returns to the synchronous user interface display and the user interface thread invoked by the synchronous program is unblocked.</p> |