closing references - what

Similar Questions

• Closing references ActiveX

  Hi all

  I'm just starting to work with ActiveX controls.  The attached graph shows a loop that opens different spreadsheets Excel in a workbook, based on the user's selection.

  My questions are:

  1 - is the 'Data Variant' create a new refnum whenever it runs?  If so, then I have to move the function of 'Closely Reference' associated inside the loop, Yes?

  2. is there a better way to select different worksheets?

  Any help would be greatly appreciated.

  Thank you

  FB

  

  Yes, you must close the reference inside the event, immediately after, you have finished using it.  You could run away references the way that you do now.

  I see no problem with this method of selecting a worksheet - is there a reason any you don't like it?

  EDIT: Also, is there a reason you have the Excel._Worksheet as a control rather than a constant of type?

• Closing references ActiveX correctly in the Simple user interface

  Hello

  I am currently editing the user supplied with Teststand 2013 Simple interface in order to access the global variables of the station through LabVIEW.  A simple test, I'm trying to access the value of username.  When I run the VI for the first time after the opening of LabVIEW, I get no error message and the program works as required.  Stop the running VI will return no error, but when I try to run the VI and rerun the Teststand, stalls the execution sequence and I get a wait status.  I then have to close running VI by killing all threads in Teststand, I think that the PropertyObjects do not come out properly and I find the structure of the event quite confusing to deal with.

  My attempt to close the references in the while loop looks like this:

  

  The rest of the program is exactly as expected with Teststand 2013.

  Any input on how to close properly references ActiveX and extracting station globals in LabVIEW would be much apreciated.

  Thank you for your help,

  Christian

  Christian,

  Doug is correct if you open references in a loop, you should also be closing them in the loop. For example, this code open a reference to the engine and the Globals PropertyObject. Two of these references must be closed each time that the loop is executed with the current code.

  You might be able to improve this code is to put your username querying code elsewhere. This username appears as something that would happen only when a user connects or disconnects, then perhaps that this code could be registered as a reminder of the event UserChangedevent. Follow these steps in the VI of reminders set up event of the user interface.

  If you do not need this code to update constantly, you can put in the structure of the event time-out event in your screenshot and fix a reasonable (maybe 100 to 200 ms).

  Hope this helps and let us know if you have other questions about this!

• Closing references

  It is necessary to close a command tree explicit reference? The following code is from the finder example - tree Cross and Set Custom Symbols.vi.

  

  As a general rule, I'm not closing control references. In general, unless I open a reference (most often a file or VI) I don't worry on close. As for an explicit reference, as shown here, close seems ridiculous. As time passes I close the references less and less.

• Ghost images appear on the Firefox browser, but remain after the window closed. What a way to stop this?

  When I open a firefox session, it creates two images of ghost square on the screen. The images are sections of the previous view. They appear when I scroll to the top of the page. The images stay on screen after you close the window. I tried the graphics drivers and I change the resolution in the top and bottom to make them disappear. This works until I open firefox again. IE does not have these problems.

  You may need to disable the use of Firefox to your graphics card, because there have been a few glitches since the release of this feature.

  Orange button or Firefox menu Tools > Options > advanced

  On the "General tab" mini, uncheck the "use hardware acceleration when available.

  What is fix?

• NEW: Service Update for Adobe Flash Player 11.6r602 has stopped working and closed. [What to do?]

  Details: When I receive or answer emails this bos on my screen apears and I do not know how to deal with except remove it.

  I need help to get rid of him.  I'm sorry, I'm so stupid but I am 90 years old last week.  I get confused with current technology

  software and applications.   Rod penrose

  Hey Rodney,

  Until we provide troubleshooting steps, we would like to know as a result of information from you.

  (1) what browser do you use to access the Internet?

  (2) what e-mail browser do you use?

  I suggest to uninstall Flash Player from your computer, then install to the rear. Follow the steps below to uninstall and install Flash Player on your computer.

  To uninstall:

  Flash Player Help / uninstall Flash Player | Windows

  http://helpx.Adobe.com/Flash-Player/KB/uninstall-Flash-Player-Windows.html

  To install:

  Flash Player Help / installation issues. Flash Player | Windows

  http://helpx.Adobe.com/Flash-Player/KB/installation-problems-Flash-Player-Windows.html#main-pars_header

  If you are still experiencing a problem, post the question on the link on the Forum of Support Flash Player. Click on the link below.

   

  Flash Player

  http://forums.Adobe.com/community/flashplayer

  Email us if you have any further questions. We will be happy to help you.

• I get an error message saying that the "Microsoft Network Inspection System" has stopped working and it is closed. What does that mean?

  Microsoft network inspection system has stopped working and closes. What this means, and is there a solution?

  original title: NIS has stopped working

  Hi Travispersons,

  You can read the following article and see if it helps.

  Install the latest Microsoft Security Essentials definition updates

  Hope this information is useful.

• I get an error code: 81 - another installer is running and must be closed. What should I do?

  "I'm unable to install the update to creative cloud because I get the error code: 81 - another installer is running and must be closed. How can I fix it? Thank you.

  Please follow the solution 2 in the link error: "unable to install". Creative Cloud Desktop , and then reinstall the application.

  Hope this will help you.

  Kind regards

  Hervé Khare

• After you install your new software to update my computer started random heat closed. What to do next?

  I guess I have to take the back off and fins no additional traffic restrictions.  I want to support or a better idea.

  Thanks for posting your complete product number

  #2

  Please do not post your s/n

  

• I'm leaving my monitor, but it keeps closing do - what I do

  My screen turns off about 2 minutes and I want to stay on for about 30 minutes. How can I change this process?

  Right-click on the desktop, select properties and in the screen saver tab, click the power button in the "power monitor" box (bottom of page), click on the little arrow in the box "turn off monitor" and choose how long you want to keep it.

• Dell IT Assistant reference - what is the latest version?

  Hello

  We organize currently Dell IT Assistant 8.0.1, is there a newer version available for download? If yes where can I find this...

  Trying to find it on the site Web of Dells is like a needle in a haystack.

  See you soon,.

  
  

• Close the reference (for a more specific class)

  I'm feeding a control reference to the node "to a more specific class.  When I finished, I understand that I have to close the order, but what I also close the reference that is the output of the node "to a more specific class?

  This is the same reference... There is no need to close the two.  And if you approve the automatic cleanup of references LabVIEW, you really do not need to close, as the references control must never be matched and will be automatically cleaned when your VI is inactive.

  For more information, here is a blog that just now, I wrote that talks about closing reference.

• Should I close the reference?

  Hello

  I would ask... should I close the reference of the workbook in the following code?

  

  In fact, I have little idea whether to close a reference or not, because I thought that LabVIEW will automatically close all references after the execution.

  I also found that someone says that the activeX references must be closed on mine.

  Could someone correct my understanding of the closure of reference?

  In this case I'm fairly certain that cleaning screws will close these references, so I don't think that you should close your self.  One way, usually, I test this is I put the code in a while loop, or use the continuous run button.  It's basically the only time wherever I never use only and I have on small subVIs like that.  Then, I run my code over and over again and look at the Task Manager to see how much memory is using LabVIEW.exe.  After a few seconds if there is a leak of memory then memory will continue to increase.  If the memory goes up and down a bit, but overall does not continue to grow, then all the references that should be closed are closed.

  There is a white book NOR on the reference Server VI of closing which is exactly what you are doing, but has relevant information.

  http://www.NI.com/white-paper/14393/en

  And an exchange of views on this subject.

  https://lavag.org/topic/16443-closing-references-in-LabVIEW-new-documentation-published/

• Why my laptop keeps closed down without notice?

  Every time when I use my computer laptop just close automatic. But before closing it down hear some loud sounds then just closed. What can repair? Is a hardware or software problem? Thank you and please help...

  Hello

  Could be heat related - try using a small fan to blow into the air intakes to see if that helps.
  It is just like it loses power or stop it in the normal way?

  For a laptop on everything that you can do is reinstall the memory and clean the vents (try adding a)
  small fan as a test).

  This sounds like material so if the above does not help you then probably need help
  a real computer store (not the leeks and the glances at a Best Buy or other stores) or the
  Support of system Maker.

  ===========================================================

  Check with these utilities to see if information may be collected: run BlueScreenView
  to see if there were any BlueScreens and verify in MyEventViewer at shutdown
  (or a few seconds before) See the event log contains useful information.

  It is an excellent tool for displaying the blue screen error information

  -Free - BlueScreenView scans all your minidump files created during "blue screen of death," collisions
  and displays information about all accidents of a table.
  http://www.NirSoft.NET/utils/blue_screen_view.html

  -------------

  MyEventViewer can be verified at the time of the blue screen (BSOD) or event within a second
  or time of the BSOD or event to provide more information about the possible cause - see TIP.

  MyEventViewer - free - a simple alternative in the standard Windows Event Viewer.
  TIP - Options - Advanced filter allows you to see a period of time instead of the whole of the record-
  Set it a bit before and after the time of the event or BSOD.
  http://www.NirSoft.NET/utils/my_event_viewer.html

  ------------

  AppCrashView - free - a small utility for Windows Vista and Windows 7 which shows details
  application of all accidents occurred in your system. The information breaks down is extracted from the
  .WER files created by the Windows Error Reporting (WER) of the operating system component of each
  time that an accident has occurred. AppCrashView also allows you to easily record the list of accidents to
  text/html/csv/xml file.
  http://www.NirSoft.NET/utils/app_crash_view.html

  ------------------------------

  Also do this so you can see the probable bluescreens. (You may or may not be able to see
  them if they occur even after doing this according to the cause.)

  Windows Vista restarts automatically if your computer encounters an error that requires him to plant.
  (also Windows 7)
  http://www.winvistatips.com/disable-automatic-restart-T84.html

  ============================================================================

  Using start-up in minimal mode and other methods in this resolution of general performance issues might help.

  What antivirus/antispyware/security products do you have on the machine? Be one you have NEVER
  on this machine, including those you have uninstalled (they leave leftovers behind which can cause
  strange problems).

  ----------------------------------------------------

  Follow these steps:

  Start - type this in the search box-> find COMMAND at the top and RIGHT CLICK – RUN AS ADMIN

  Enter this at the command prompt - sfc/scannow

  How to analyze the log file entries that the Microsoft Windows Resource Checker (SFC.exe) program
  generates in Windows Vista cbs.log
  http://support.Microsoft.com/kb/928228

  Also run CheckDisk, so we cannot exclude as much as possible of the corruption.

  How to run the check disk at startup in Vista
  http://www.Vistax64.com/tutorials/67612-check-disk-Chkdsk.html

  ==========================================

  After the foregoing:

  How to troubleshoot a problem by performing a clean boot in Windows Vista
  http://support.Microsoft.com/kb/929135
  How to troubleshoot performance issues in Windows Vista
  http://support.Microsoft.com/kb/950685

  Optimize the performance of Microsoft Windows Vista
  http://support.Microsoft.com/kb/959062
  To see everything that is in charge of startup - wait a few minutes with nothing to do - then right-click
  Taskbar - the Task Manager process - take a look at stored by - Services - this is a quick way
  reference (if you have a small box at the bottom left - show for all users, then check that).

  How to check and change Vista startup programs
  http://www.Vistax64.com/tutorials/79612-startup-programs-enable-disable.html

  A quick check to see that load method 2 is - using MSCONFIG then put a list of
  those here.
  --------------------------------------------------------------------

  Tools that should help you:

  Process Explorer - free - find out which files, key of registry and other objects processes have opened.
  What DLLs they have loaded and more. This exceptionally effective utility will show you even who has
  each process.
  http://TechNet.Microsoft.com/en-us/Sysinternals/bb896653.aspx

  Autoruns - free - see what programs are configured to start automatically when you start your system
  and you log in. Autoruns also shows you the full list of registry and file locations where applications can
  Configure auto-start settings.
  http://TechNet.Microsoft.com/en-us/sysinternals/bb963902.aspx
  Process Monitor - Free - monitor the system files, registry, process, thread and DLL real-time activity.
  http://TechNet.Microsoft.com/en-us/Sysinternals/bb896645.aspx

  There are many excellent free tools from Sysinternals
  http://TechNet.Microsoft.com/en-us/Sysinternals/default.aspx

  -Free - WhatsInStartUP this utility displays the list of all applications that are loaded automatically
  When Windows starts. For each request, the following information is displayed: Type of startup (registry/Startup folder), Command - Line String, the product name, Version of the file, the name of the company;
  Location in the registry or the file system and more. It allows you to easily disable or remove unwanted
  a program that runs in your Windows startup.
  http://www.NirSoft.NET/utils/what_run_in_startup.html

  There are many excellent free tools to NirSoft
  http://www.NirSoft.NET/utils/index.html

  Window Watcher - free - do you know what is running on your computer? Maybe not. The window
  Watcher says it all, reporting of any window created by running programs, if the window
  is visible or not.
  http://www.KarenWare.com/PowerTools/ptwinwatch.asp

  Many excellent free tools and an excellent newsletter at Karenware
  http://www.KarenWare.com/

  ===========================================

  Vista and Windows 7 updated drivers love then here's how update the most important.

  This is my generic how updates of appropriate driver:

  This utility, it is easy see which versions are loaded:

  -Free - DriverView utility displays the list of all device drivers currently loaded on your system.
  For each driver in the list, additional useful information is displayed: load address of the driver,
  Description, version, product name, company that created the driver and more.
  http://www.NirSoft.NET/utils/DriverView.html

  For drivers, visit manufacturer of emergency system and of the manufacturer of the device that are the most common.
  Control Panel - device - Graphics Manager - note the brand and complete model
  your video card - double - tab of the driver - write version information. Now, click on update
  Driver (this can do nothing as MS is far behind the certification of drivers) - then right-click.
  Uninstall - REBOOT it will refresh the driver stack.

  Repeat this for network - card (NIC), Wifi network, sound, mouse, and keyboard if 3rd party
  with their own software and drivers and all other main drivers that you have.

  Now in the system manufacturer (Dell, HP, Toshiba as examples) site (in a restaurant), peripheral
  Site of the manufacturer (Realtek, Intel, Nvidia, ATI, for example) and get their latest versions. (Look for
  BIOS, Chipset and software updates on the site of the manufacturer of the system here.)

  Download - SAVE - go to where you put them - right click - RUN AD ADMIN - REBOOT after
  each installation.

  Always check in the Device Manager - drivers tab to be sure the version you actually install
  presents itself. This is because some restore drivers before the most recent is installed (sound card drivers
  in particular that) so to install a driver - reboot - check that it is installed and repeat as
  necessary.

  Repeat to the manufacturers - BTW in the DO NOT RUN THEIR SCANNER device - check
  manually by model.

  Look at the sites of the manufacturer for drivers - and the manufacturer of the device manually.
  http://pcsupport.about.com/od/driverssupport/HT/driverdlmfgr.htm

  How to install a device driver in Vista Device Manager
  http://www.Vistax64.com/tutorials/193584-Device-Manager-install-driver.html

  If you update the drivers manually, then it's a good idea to disable the facilities of driver under Windows
  Updates, that leaves about Windows updates but it will not install the drivers that will be generally
  older and cause problems. If updates offers a new driver and then HIDE it (right click on it), then
  get new manually if you wish.

  How to disable automatic driver Installation in Windows Vista - drivers
  http://www.AddictiveTips.com/Windows-Tips/how-to-disable-automatic-driver-installation-in-Windows-Vista/
  http://TechNet.Microsoft.com/en-us/library/cc730606 (WS.10) .aspx

  ===========================================

  Refer to these discussions because many more excellent advice however don't forget to check your antivirus
  programs, the main drivers and BIOS update and also solve the problems with the cleanboot method
  first.

  Problems with the overall speed of the system and performance
  http://support.Microsoft.com/GP/slow_windows_performance/en-us

  Performance and Maintenance Tips
  http://social.answers.Microsoft.com/forums/en-us/w7performance/thread/19e5d6c3-BF07-49ac-a2fa-6718c988f125

  Explorer Windows stopped working
  http://social.answers.Microsoft.com/forums/en-us/w7performance/thread/6ab02526-5071-4DCC-895F-d90202bad8b3

  Hope these helps.

  .

• Analyze the VISA reference name

  I have a multi channel test setup that uses a serial port for each channel. So, I named the VISA aliases for channels 1 - DUT DUT-8. I have a coaxial switch that routes a signal from the current to a freq counter INSTRUMENT so that I can measure the frequency. The switch has eight positions who use an enum POS0, POS1... POS8. I need to translate the serial port selected to the correct pole on the switch so I made the attached VI. The problem is that it works very well when its open but is not when it is closed. What can I do possible box this function with a closed vi?

  Try using 'Cast from Type' to convert the VISA refnum into a string, rather than the Text.Text property.