AsynchronousTasks returns a list of running asynchronous tasks.
Typically, there are no asynchronous tasks running:
Start a download and check the list of asynchronous tasks. If the server completes the request quickly, the task list could be empty:
Once the dialog appears, the task will no longer be in the task list:
RemoveAsynchronousTask StartAsynchronousTask StopAsynchronousTask URLFetchAsynchronous URLSaveAsynchronous WaitAsynchronousTask