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1·You might just want to use the non-committal infinite scrolling busy indicator while you perform the query.

你可能只想当你执行查询使用非承诺无限滚动的忙闲指示器。

2·With RRAFS, we can also create two Image VPs — one for the busy indicator and another with an empty content — as shown in Figures 19 and 20, respectively.

用RRAFS，还可以生成两个Image VP——一个用于占线指示器，另一个为空——如图19和图20分别所示。

3·However, how to run both the initialization and the display of busy indicator simultaneously? It seems that I need different threads to handle this issue.

然而，如何运行这两个指标同时显示的初始化和忙吗？看来我需要不同的线程来处理这个问题。

4·The viewmodel exposes not only models, but other properties (such as state information, like the is busy indicator) and commands

视图模型不仅暴露模型，还有属性（比如状态信息，就像“is busy”指示符）和命令。

5·Instead, build a status indicator into the application so the problem is clear to the interested user but is not obtrusive to someone who is busy elsewhere.

试着在程序中建立一个状态指示器，这样遇到问题时对有兴趣知道的用户就会很清楚，而不用打扰那些正忙于其他任务的用户。