Clearing Test Stand engine's internal cache

I am trying to clear the TEST STAND ENGINE'S internal cache of past sequence files in a custom Operator Interface I am developing using VB.NET.  The scenario is as follows.   The Test Stand OI application is instantiated from a desktop shortcut that also has the sequence file as a parameter.  I am using only the "Single Pass" entry point.
The problem is other sequence files appeared to be executing in addition to the sequence file passed in as a command line argument.  I checked this by creating an event handler for the openseqfile event and putting a VB.NET debugger breakpoint at its start.  In the case I checked the seq open event fired 3 times.  Once for each of the last 3 different sequence files I tried to run.   I checked each of the files as they were being opened and the 1st file opened was the one I passed in.  The second file opened was the one I ran prior to the current application instantiation.  I checked that file an the "e.file.IsExecuting" property was TRUE!  How could that file be executing when the application starts when it is not even the file I want to run?
The third file was a file I ran 2 instances ago and its "IsExecuting" property was false and its "CanUnload" property was true.  I was able to remove that particular file with "Me.AxApplicationmgr.GetEngine().ReleaseSeqenceFileEx(e.file)" in the event handler.
What is the proper way to remove (clear) the interneal cache.  So only the single file I want is opened?  Thanks

You should call ApplicationMgr.OpenSequenceFile instead of Engine.GetSequenceFileEx (see TestStand Reference Manual>> Chapter 9 Creating and Customizing Operator Interfaces >> Using the TestStand API With TestStand UI Controls).
If you want to close the file explicitly, call ApplicationMgr.CloseSequenceFile.  If you don't close the file, the ApplicationMgr will close the file automatically when your application shuts down.
When you call ApplicationMgr.OpenSequenceFile, the file appears in controls that display the list of open files and your application receives an ApplicationMgr.DisplaySequenceFile event for the file.
If you can't use the ApplicationMgr methods, then I think the place to call Engine.ReleaseSequenceFileEx would be in the ApplicationMgr.QueryShutdown event (also see TestStand Reference Manual>> Chapter 9 Creating and Customizing Operator Interfaces >> Using the TestStand API With TestStand UI Controls).

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    TestStand obviously has problems loading the Vision Builder API functions and the engine (whatever is necessary).
    As I could not succeed testing VBAI 2010 from TestStand, I then tried the LabVIEW example which is also located
    in the \examples folder.
    I had no problems loading the "LabVIEW API Examples (Local).vi" into LabVIEW 2010 and execute it.
    This example works without any problems with a simple USB Webcam.
    I can test different "Inspections" and studied the API functions in this VI.
    So the problem is only related to TestStand.
    I am wondering whether TestStand has problems with the evaluation version of VBAI 2010.
    When executing the LabVIEW example the VBAI engine asks me first if I want to evaluate the software (as it is not activated yet).
    I never reach this point from TestStand. It crashes before.
    Another point is that I am asking myself why the test step "Run Inspection Once" is the first test step the TestStand sequence.
    Comparing the sequence of steps with the LabVIEW VI, you can see that there is a differnce in the initialisation sequence.
    The LabVIEW VI launches "VBAI Interface - Launch VBAI Engine.vi" first before all other API VIs.
    I could try to change the TestStand sequence and introduce additional initialisation steps before "Run Inspection Once".
    I simply fear that TestStand crahses again before I have been able to change the sequence.
    Ok...another thought...on your system it is working fine using the example TestStand sequence?
    This means that the initialisation of the VBAI engine is automatically executed.
    Which process is responsible to initialise the VBAI engine in TestStand?
    Perhaps I have to configure something ...somewhere in TestStand.
    Ok... that's it for now... i will try out a couple of things....
    Thanks again for your support
    Best regards,
    Carsten

  • Test Stand 2010 Deployment tool Error

    Dear All,
    Whilst attempting to deploy a Test Stand system I am coming across the following error:
    Error: Unable to find all subVIs from saved VIs. Either a subVI is missing or the VI is not saved in the current LabVIEW version.
    The call chain to missing VIs:
    1 - initialise_resistor_card.vi
        2 - pipx40 Initialize.vi (missing)
    I have the Teststand Adaptor set to Labview Run-time Engine --> "Auto detect using VI version"
    This is a new feature in Test Stand 2010 right? So is the deployment tool also able to inherit the ability to auto detect the version of runtime engine to use on a deployed machine?  
    Any ideas?
    Regards
    There is no problem with the VI within the sequence.
    I've encountered this before before with the deployment tool and usually mass compilling or opening and closing the VIs heirarchy helps, but in this case I just can't get the deployemnt tool to process these VIs.

    Hello,
    So it would appear that the VIs giving the problem are within .llb . 
    If I open and save them again within the .llb and mass compile the .llb then the same happens, but if I take the VI out of the llb then the problem goes away?
    Is there any known issues with the Deployment Utility failing to find VIs with llbs? I notice TS 2010 deployment utility introduces the idea of a Packed Project library option rather than the old SupportVIs folder, could using this be the issue?
    Regards
    Matt

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