Sometimes, it is not possible to predict the duration of a process and therefore it is not possible to display a progress bar corresponding to the progress status.
An infinite Progress Bar control can be used in this case. The type of progress bar displays an endless animation.
To use an infinite progress bar in an application, we advise you to create an infinite Progress Bar control then to make it visible or invisible (..可见) according to the needs.
Note: The animation of the infinite progress bar is performed in the main thread of the application. The animation stops if the main thread is locked by a long process. The process associated with the infinite progress bar must:
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All you have to do is configure your product as follows: