Programmatically closing a JMenu

Hi,
I am working on an speech based application using JSAPI. To add the the users ease, i have commands like "open file menu etc. which would then open (drop down) the file menu.
the following line would do this:
fileMenu.doClick();
where fileMenu is a JMenu
this opens up the file menu, however i also have commands like "close file menu".
so far i have been able to open any menu and havent figured out a way to close the menus. i have tried the doClick() method again when the menu is open to close it, but this does seems to work.
can anyone help me out with this??
ameer.

iam not sure of this but i realised that the file menu closes when it loses focus, so what you can do is when u say "Close menu" then put the focus on another component, iam sure there must be better ways to do than this but this was the best i could think of. you could use like
fileMenu.ABORT;
or
fileMenu.hide();
not sure which is the one, try it out.
asrar

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Platinum Alliance Partner
Senior Engineer
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Don't forget Kudos for Good Answers, and Mark a solution if your problem is solved.

I suppose I should also ask about programmatically closing this vi, as I need to have control over that as well. I am assuing that obtaining the reference stays the same, can I use the FP.Close method to close the VI cleanly and then close the reference after that?
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CLA, CLED, CTD,CPI, LabVIEW Champion
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Don't forget Kudos for Good Answers, and Mark a solution if your problem is solved.

My application while running in playback throws fault error report and it needs to be closed programmatically by killing the process.

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Is there a way to use the built-in Datalogging and programmatically log the front panel while the vi is running?

I would like to use the built-in Data Logging feature. There is the "Log at Completion" option, but is there a way to programmatically make a new log record while running? I looked around in VI server and couldn't find any methods that would do that. Currently, I am grabbing all of the front panel control references using VI Server and if there are any changes, the changed values are written to a log file along with a date/time stamp. I'm mostly dealing with buttons, which simply change from 0 to 1 or 1 to 0, so it's not too hard to visualize what was pressed. It works okay for reconstructing what happened, but it would be much nicer to use the built-in fe
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Jake,
There are several options here.
I would suggest using your own code for datalogging. The datalogging you are referring to is primarily for debug, and one shot datalogs of front panel indicators (and controls?), not including graphs, etc.
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Why does opening and closing FPGA references increase Windows XP handles by 3?

Hello.
We run a test system here that uses TestStand to communicate
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after a particular VI was run 100,000 times, the number of handles in Windows XP Task
Manager grew to about 370,000. The number of threads and processes remains stable and normal. Closing Labview removes all the excessive handles.
I tried an experiment to create a standalone VI (ie: no TestStand) which simply opens the FPGA VI reference then closes the reference. This is repeated 4 times in the same VI. The number of handles in Windows XP Task
Manager increased by 12 each time the VI was run. No errors. This indicates closing the FPGA reference might not be working.
Why does this happen? Is there a way to avoid it? The version of Labview is 8.5.1.
Appreciate any help here. Thanks.
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could be related to this known issue--
FPGA FIFO reset behavior—When you use an FPGA target
emulator, FPGA FIFOs reset when the VI is stopped and then started
again. When you use an FPGA target with Interactive Front Panel
Communication, FPGA FIFOs do not reset when the FPGA VI is stopped and
then started again. To reset the FIFO, right-click the FPGA target in
the Project Explorer window and select Download
from the shortcut menu. When you control an FPGA VI using Programmatic
FPGA Interface Communication, use the Close FPGA VI Reference function
with the Close and Reset shortcut menu option selected or the Invoke Method with the Reset method selected to reset FPGA FIFOs
see Knowledgebase
Also remeber to load the FPGA Read/Write VI's dynamically from testStand and dump them after. Thechange to the data type causes the vi to need to recompile so it can't stay in memory if you need different types of data.
Message Edited by Jeff Bohrer on 10-27-2009 02:21 PM
Jeff

Report generation, Excel isn't closed in the Task manager (LV2010)

Hello everybody,
I attached a simple example, to explain my problem.
I tried (with Report generation) save data to Excel. That works fine. My problem is: in the Task Manager I can see the Excel.exe.
Does anybody have a idea or a solution, why Excel don't closed?
If I open and close the saved Excel file, the Excel.exe disappear in the Task manager. But this should not the way.
many thanks in advance
zäpfle
LV2010
Solved!
Go to Solution.
Attachments:
Example_Forum.vi ‏19 KB
Example.xls ‏55 KB
Auswertung_Example.xlt ‏51 KB

Hello zäpfle,
This is actually a known issue and already reported to NI R&D. As you mentioned, to solve this, you have to open and close the Excel report (with Word report everything seems to be fine). Since the task is closed just after the VI closes or open-and-close Excel, it seemed that not all references would close properly. The issue though isn't with properly closing the references, but rather deeper. However, a possible workaround would be to programmatically end the process just after closing the reference to Excel. Here is a link to a community example that demonstrates how to do just that:
Kill a task in Windows using System Exec.vi
https://decibel.ni.com/content/docs/DOC-9275
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Kind regards,
Ioannis Karakatsanis
Applications Engineering
www.ni.com/support

Front Panel objects do not stay in place after saving, closing, and reopening the VI.

I have been working with a couple of versions of a main VI. The original VI was given to me so that I could add additional functionalities to it. I had been designing the front panel of the latest version of the VI on a Dell laptop running Windows 7 and LabView 2011 SP1 using a monitor with a resolution of 1920x1080. My booleans, numerics, and plots on the front panel had always stayed in place after saving, closing, and reopening the VI. Once in the field, I connected my laptop to a cRIO9073 and used my laptop screen with a resolution of 1366x768 to operate the VI. I made some changes to the VI, saved it, and reopened it. This time I noticed that the front panel objects had become overlapped, resized, and generally rearranged. I tried fixing the objects but I noticed that they reverted back to the incorrect positions after saving and reopening the VI. I was successful in keeping the objects in position a couple of times, but when I would open the VI at a later time, the objects were again rearranged. This is happening on both my monitor and laptop screen. The original version of the VI, however, does not behave this way and I have opened it on both my monitor and laptop screen. In this version, the front panel objects always stay in place. Both VI's have the same window size properties. Could I have corrupted the latest version of my VI somehow? Below are screenshots of the front panels of both VI's.
Attachments:
Blender Controller Original.PNG ‏140 KB
Blender Controller.PNG ‏203 KB

Hi Miguel,
It is possible to programmatically set or change the position of front panel objects. (for example: http://digital.ni.com/public.nsf/allkb/4D0DA06B43195B3F862572F3000AF2D3?OpenDocument) However, if you haven’t intentionally done that, it seems unlikely that it is the problem.
Have you tried copying the entire block diagram in to a new VI to see if the problem persists? While it is unlikely, you are right that it is possible for VIs to become corrupted. I’ve never heard of a situation like this except in the situation where the settings Tom had you check have been changed. Here is some information about those settings:
http://digital.ni.com/public.nsf/allkb/7567EF257B9CFDF986256F630073228F?OpenDocument
Since there was no rearrangement when you copied the front panel to a new VI, you might try copying the block diagram a little bit at a time to see if there is some particular part of it that creates the problem somehow.
K. Johnson

Programmatically calling an FPGA vi to view over the FP vi

Good morning. I have become stumped on this question for a bit so I thought I would post the question here.
Q: what is the best way to programmatically call a VI running on the FPGA to the FP main VI running on a touchscreen computer, where when the FPGA VI is called it goes to the top level of the screen without interrupting the VI output of the main VI?
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This example shows how I am using tabs in our program. (ATTACHMENT 1)
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But the issue is that when page 5 is open it also stops what’s happening on the other four tabs in the same tab pane which is NOT what I need to happen.
What I have done so far to correct this is - removing the page I need to open on top and made it into its own VI.
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What this VI cannot do is interrupt the operations that are being executed by the main VI on the FP if called (to do a parameter check) but put the main VI into a ‘locked out’ mode if there is an alarm.
So then the question becomes how to call this VI from the Front Panel VI?
Well, I have tried to make a Queued Message Handler work which it did partially (I was able to open the VI and run it but I couldn’t work out how to close it) and unfortunately I have sub-sequentially erased that bit of programming code. Though I don’t think it would have worked anyway as I was trying to call it as a sub-vi in the main VI that was located on the computer and not on the FPGA target.
Then I tried dynamically calling the VI and found it did the same thing as if the VI were still connected to the tab control by stopping the I/O of the main VI while it was called to the front. I erased that bit of code work too.
So then I started looking at asynchronously calling the VI as I saw that it would allow both VI’s to run at the same time. Here I seem to have found the right answer to my own question, though, I believe that the example program I am looking at has a memory leak or is not closing out the called VI properly because within a few minutes runtime both VI’s slow to a stop. This is not good. I understand what the example code is trying to show but I don’t think it is programmatically correct and I have not been able to fix it. Here is the example code I was looking at. (ZIP FILE)
So while I believe I am on the right path I am not sure how to impliment it with the FPGA.
Solved!
Go to Solution.
Attachments:
Ultimate Tab Control.vi ‏32 KB
ENGINEVI.jpg ‏384 KB
example.zip ‏26 KB

You are correct, that is how the program is built. Each page of the tab has it's own set parameters to interact with the FPGA differently. (ie electromechanical controlling a hydraulic pump so each page has a distinct set of limitations on what the pump control does) this effectively creates a set of 'modes' for different parameter pump control to the same individual pump.
Here is a screen of the main program. The buttons at the bottom determine which mode the pump is in (effectively changes the tab control to a different tab)
So yes, the engine page has been removed from the tab control and made into it's own vi that I want to put on the FPGA target (as its only input and no interaction) but I want to be able to call the engine vi from the main program and not interrupt the main program if I am controlling the pump but just want to see what the engine and pressures are doing.
I added a screen of some of the code tied to the picture above.
Attachments:
virun.jpg ‏226 KB
Untitled2.png ‏148 KB

How to programmatically copy a OneNote page from one section to another

How to programmatically copy a OneNote page from one section to another.
I don't find any interface in OneNote
2010 Developer Reference which will let me do this.
any help?
Regards,
Umar
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Hi Umarinam,
Thank you for posting in the MSDN Forum.
In the page OneNote 2010 Developer Reference, you can see an Application Interface which includes methods
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Hope it helps.
Best regards,
Quist Zhang [MSFT]
MSDN Community Support | Feedback to us
Develop and promote your apps in Windows Store
Please remember to mark the replies as answers if they help and unmark them if they provide no help.

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