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ParallelTaskWait (Function) In french: TâcheParallèleAttend Waits for the end of execution of a parallel task.
t is ParallelTask = ParallelTaskExecute(Proc)
ParallelTaskWait(t)
Syntax
<Result> = ParallelTaskWait(<Task> [, <Maximum timeout>])
<Result>: Boolean - True if the task is completed properly.
- False if the task is not ended properly. For example:
- the maximum task duration has been reached,
- the task was canceled.
<Task>: ParallelTask variable Name of the ParallelTask variable to be used. <Maximum timeout>: Optional integer or optional Duration Maximum duration for running the task, expressed in hundredths of a second.- If this parameter is specified, ParallelTaskWait locks the application until the task execution is ended or until the maximum duration is reached.
- If this parameter is not specified, ParallelTaskWait locks the application until the task execution is ended.
This parameter can correspond to: - an integer corresponding to the number of hundredths of a second,
- a Duration variable,
- clear indication of duration (e.g. '1 s' or '10 cs').
Remarks If ParallelTaskWait is called from the main thread, the task to be waited for must not be executed in the main thread. Otherwise, a lock will occur. Indeed, the main thread cannot wait for the end of the task and run it at the same time. A WLanguage error signals the problem before the lock occurs.
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