How to stop an asynchronous call to activex makes a VI?

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  I need to run a third-party application of in LabVIEW.  It works fine when it is called with the exec.vi system, as long as the user has entered the correct data.  However in some (very difficult to determine) conditions, the application crashes.

  I want to be able to force by program the application to complete and return to LV I assumed that there is a way to do it using the Windows API, but I don't know how to do this, and I would need a way to get the handle of the offending application Windows.

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  The new node to start the asynchronous call is great for the spawning of several instances of the reentrant vis.  However, I fell a little bit using for screws not reentrant the old practice of using the method "Run a VI" would allow us to check the Execution.State of the VI before calling the method to execute.  This way if the State was running or running at a higher level, we could spend the invoke node and just use a property node to open the front panel.  With the starting node the asynchronous call, it seems that we must use a strictly typed static VI reference, and when we open the reference VI, VI gets booked and his Execution.State = running.  So, how whether it is not only reserved by wire, but actually running before calling Start redundant?

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  Maybe missing me something obvious.  Oh, I am referring to the call and forget mode (0x80).

  Yes you have forgotten that he forgets the Run method always seems to be a better choice for this mode

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• Debugging asynchronous calls

  When you use asynchronous calls, is there a way to see and/or kill the clones running? Let me explain my program a little structure.

  I develop a tests suite that can read in the test script files and run different (or the same) on several devices connected to a chassis OR modules of the AO. The two main components of my program are the CommandParserQueuer (CPQ) and the CommandExecutor (CE marking). A command queue is created during initialization. The CPQ reads in the script files and translated into commands adds those to the queue of the command. The controls are beams of the States of the enum and all data needed to perform this action. The CE marking is a machine of the State in queue. When queues begin to fill, the CE removes the items and perform the actions (e.g. AO tension adjustment, read data from the device, restart the device, etc.).

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  Any thoughts?

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• An asynchronous call - why so long?

  LV 2013, Win7

  I have a window that comes and goes, during the operation of the program.

  This window has 72 sub-panels, each containing a retractable VI even copy for a "block".  I insert the VI in the secondary and then to run the VI with a call CALL and FORGET.

  When the user closed the window, the entire block live end, and the window closes.  I don't care if the closing backstage going again after the window disappears.

  But when the user leaves the program, with this window to the top, I need to make sure that the block screws have completed before I stop other things (close files, etc.).

  To this end, I changed the CALL and FORGET a CALL and operation COLLECT and installed a WAIT on ASYNCHRONOUS CALL to each instance at the end of the code window.  It is after the blocks have been ordered to die (via an event).

  I see the debug file (a part is represented) to about 1000 milliseconds to wait for all instances to die.

  

  The thing is, if I change to "0" to "1000", then what I expected, it is that the actual waiting time would< 100="">

  My thought is that during this timed wait blocks could die anyway, it would take less time to actually wait on them.

  But when I do that, nothing really changes.  Registered time is always above 1000 mSec.

  If I limit the number of blocks to 12, the time is 97 mSec, to 24, is 185, for 36, is 576 and so on - it is proportional to number of blocks.

  So, what is really?  If he waits just things die, why the timed wait does not affect the numbers?

  I initially (when I used CALL and FORGET) kept track of how many were opened and how much were closed and waited for that becomes zero, but it is a cleaner way to do it, at least in theory.

  Am I missing something?

  You can consider another approach to ensure that all instances of high school left, as a queue. Each instance is an element in the queue when it ends, then stops. Your cleanup code removes the elements in a loop For which runs once for each instance, so after each instance is finished he can proceed. This way to care not in the ORDER in which the sub-panels out, you simply confirm that they have completed all. Should be lower overload that call & collect.

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