Generating a LV Event

I routinely set the controls and read the indictors of a LabVIEW VI through the ActiveX/COM adapter. This has worked fine in the past, but I ran into a snag in my current application.
In this application, I have hundreds of controls so instead of wiring them I am using the Event Structure to detect when a control has changed to invoke the appropriate code for that control. It works fine when the control is manually changed. The problem (which is noted in the LV Manual) is that if the control is changed programatically, such as I do with TestStand, an event is not generated and the code is not invoked.
Is there any work-around for this situation? Is there a way to export the properites of the controls back to TestStand so I could change the Value(signalling) property and generate an event?
Thanks,
Dave

Dave,
I don't think that there is an exported property to do this in LabVIEW's ActiveX Server.
I would be careful in using LabVIEW's ActiveX server from TestStand. This would require that LabVIEW be present on the machine you are running the sequence on (even after deployment). The LabVIEW Run-Time Engine does not export an ActiveX server. If you really needed this functionality on a machine without LabVIEW, I would recommend using a Run-Time Server (basically a simple LabVIEW application that is registered as an ActiveX server), and using that as your method of loading VIs. However, you would have to change your LabVIEW adapter to use this Run-Time Server as well.
Another solution is to call a LabVIEW VI that gets a reference to the LabVIEW VI on which you wish to change a control. Since both VIs will be loaded at the same time, you can just specify the VI's name, rather than full path. You can then get a reference to the Front Panel, iterate through the controls until you find the correct control, and then use a Property Node to change the Value (Signaling) property for the control. It's not the cleanest solution, but it should serve your needs. It also does not require that LabVIEW is installed on the machine that is executing the sequence.
Allen P.
TestStand R&D

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Attachments:
ReportError Callback.png ‏8 KB
Teststand Error Handling.png ‏20 KB

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Thanks for the reply.
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See :
http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=476
5246
import java.awt.*;
import java.text.*;
import javax.swing.*;
import javax.swing.event.*;
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JSpinner.NumberEditor jne;
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if
if
if
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nada

Hi,
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Security System Extension               No Auditing
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IPsec Driver                            No Auditing
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Security State Change                   No Auditing
Logon/Logoff
Logon                                   No Auditing
Logoff                                  No Auditing
Account Lockout                         No Auditing
IPsec Main Mode                         No Auditing
IPsec Quick Mode                        No Auditing
IPsec Extended Mode                     No Auditing
Special Logon                           No Auditing
Other Logon/Logoff Events               No Auditing
Network Policy Server                   No Auditing
Object Access
File System                             No Auditing
Registry                                No Auditing
Kernel Object                           No Auditing
SAM                                     No Auditing
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Application Generated                   No Auditing
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Filtering Platform Connection           No Auditing
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Sensitive Privilege Use                 No Auditing
Non Sensitive Privilege Use             No Auditing
Other Privilege Use Events              No Auditing
Detailed Tracking
Process Termination                     No Auditing
DPAPI Activity                          No Auditing
RPC Events                              No Auditing
Process Creation                        No Auditing
Policy Change
Audit Policy Change                     No Auditing
Authentication Policy Change            No Auditing
Authorization Policy Change             No Auditing
MPSSVC Rule-Level Policy Change         No Auditing
Filtering Platform Policy Change        No Auditing
Other Policy Change Events              No Auditing
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User Account Management                 No Auditing
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Hi Lawrence,
After configuring the GPO, did we run command gpupdate/force to update the policy immediately on domain controller? Besides, please run command gpresult/h c:\gpreport.html to check if the audit policy
setting was applied successfully.
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Best regards,
Frank Shen

How to generate a keboard event?

I need to make my application more accessible to keyboard
only users. This requires me to add an eventlistener for keyboard
activity and filter the TAB key. I wish to issue a keyboard event
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Hi Sir Mutt,
If my understanding is correct, you are using LabVIEW as your operator interface to start the Teststand Application and you want to do Teststand Error Handling in LabVIEW. The most common way that this is achieved is through ActiveX Invoke and Property nodes as well as ReportError events. I have attached two screenshot examples of this. Does this sufficiently address your question or did I misinterpret your question?
Regards,
Jackie
DAQ Product Marketing Engineer
National Instruments
Attachments:
ReportError Callback.png ‏8 KB
Teststand Error Handling.png ‏20 KB

Generating pre-defined events for system or applications ?

I would like to write a script of some kind which generates a series of pre-defined events to the system or an active application: such as "a mouse is clicked on position x,y", a "mouse is dragged to position z, w", a "key is pressed", etc. How do I even approach this? And what exactly it should be (probably not an application...)
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Generating a LV Event

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