When the sequence of process template client file is loaded for execution?

As part of a custom process template I've created, I would like to make a few changes in the sequence of the client before file called by the process template. These changes will be then be restored after the loop finishes USE (I'm changing the sequential model).

Another thread, I discovered that TestStand sequences cannot be edited structurally once they have been loaded for execution. My question is: what is client sequence template process ' for execution "?

After some research, I discovered that the sequence of the client file is not locked to prevent changes to the sequence editor until the "Reminder of the main sequence" sequence step call runs in the model process entry point. At this stage, the sequence of the client file is loaded dynamically as the module at this stage.

However, before this point, there are two places that the file of the client's sequence is used, and I want to assure you that they don't 'load the customer file for execution.  The Runstate.ProcessModelClient property is a reference to the object the client file SequenceFile and exist as soon as the entry point is called. In addition, the engine must know about the sequence of the client file to correctly call reminders of process model. Do any of these things make the movie of 'responsible for performance customer file?

It boils down to this: can I do safely from the structural changes to my file of sequence of the client during the ProcessSetup and ProcessCleanup?

According to the information I found in another post (see the comments of Eric_Crank on page 2), it is allowed. However, in this case customers were only make changes to the property Data of the RunState.ProcessModelClient. I want to assure you that I can use the TestStand API on the reference too.

Also, just FYI, I got this works. I can add steps to the sequence MainSequence customer sequence file of the group stage of installation of the point of entry of the process model via the API TestStand. I ask here if make sure that it is a safe thing to do, and that there is nothing I plan not to.

Thank you.

Josh,

If your sequence allows the option "optimize no concave calls this sequence", the first time the sequence run TestStand stores a copy of the execution of the sequence in a cache associated with running. As long as the sequence is in this cache you can not change, and TestStand considers that the sequence for 'run' file (see the SequenceFile.IsExecuting property). You cannot unload 'enforcement' sequence files (see SequenceFile.CanUnload). Sequences remain in the cache until it is closed. There is no way for you to remove the sequences of this cache, but you can prevent them to be added to the cache by turning off the option "optimize... ». Disabling this option should have no impact on the performance that you call the sequence only once.

-Erik

Tags: NI Software

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