Quicktime activeX object issues on Vista 64

I'm creating a .js based plugin detector and am getting an error on Vista 64.
The snippet of the script used for QT detection in Internet explorer is:
try
               control = new ActiveXObject('QuickTime.QuickTime');
          catch (e)
               error = true;
          try
               // This generates a user prompt in Internet Explorer 7
               control = new ActiveXObject('QuickTimeCheckObject.QuickTimeCheck.1');
          catch (e)
               error = true;
          if (control && control.QuickTimeVersion)
               qtVersion = control.QuickTimeVersion.toString(16); // Convert to hexadecimal - using base 16
               //qtVersion = parseInt(qtVersion.substring(0, 1),16) + '.' + parseInt(qtVersion.substring(1, 2),16) + "." + parseInt(qtVersion.substring(2, 3),16);
               qtVersion = parseInt(qtVersion.substring(0, 1),16) + '.' + parseInt(qtVersion.substring(1, 2),16);
               qtVersion = qtVersion;
               qtInstalled = "Yes";
I'm getting a "QuickTimeVersion is null or undefined" error, but only in Vista 64. Vista 32 bit and all XP machines I've checked, report the version w/out any errors. I'm not quite sure why the QuickTimeVersion property isn't being returned properly.
Is there another QT ActiveX object I can use?
Thanks,
Shannon

I think this had to do with the fact that I had never actually had the browser load the QT plug-in (I haven't visited any web sites with embedded QuickTime). I ran a VBScript detector, which caused a prompt asking me to allow the plugin from Quicktime, which I did. After the javascript was working fine. I'm just not sure why the ActiveX Object call didn't kick off the prompt.

Similar Messages

How to Properly Destroy Quicktime ActiveX Object?

Hi,
Does anyone have experience with Quicktime ActiveX objects? I'm having an issue about destroying/unloading the objects. When my compiled executable is closed (either programtically through 'Quit Labview' or by selecting 'File-->Exit'), Windows 7 detects a crash and displays:
So I'm guessing that Quicktime is the culprit because of the 'Fault Module Name'.
When I shutdown the Quicktime portion of the program (a subvi that gets called several different times), I perform:
QTOLibrary.IQTMovie.Stop
QTOLibrary.IQTMovie.Disconnect
Set QTOControlLib.IQTControl.URL = [blank]
QTOControlLib.IQTControl.QuickTimeTerminate
Destroy QTOControlLib.IQTControl reference
Destroy QTOLibrary.IQTMovie reference
Destory QuickTime ActiveX container reference
Any other properties/methods/combinations/order I should try? Thanks.
-Joe

Hi Joe,
Quit LabVIEW shuts down LabVIEW, but does not affect other applications. You need to ensure that your ActiveX references are being closed properly, even if you are quitting LabVIEW.
A good way to ensure that your references are being closed even when you forcibly exit LabVIEW is to use an event structure. Add a new event to the event structure by right clicking on the default "Timeout" label at the top and selecting "Add Event Case...". Then, under the Event Source, "<Application>", select the event, "Application Instance Close". This event will only execute when you attempt to close your application. Add another "Close Reference" function to the block diagram and wire the reference out output of the Invoke node to the reference input of the Close Reference function. Does this fix your error?
Julianne K
Systems Engineer, Embedded Systems
Certified LabVIEW Architect, Certified LabVIEW Embedded Systems Developer
National Instruments

Quicktime 7.0+ with Vista = error 46: can't find or load quicktime activex

For awhile, Quicktime Pro was working on my 32bit Microsoft Vista PC that I built, then sometime around 7.1.5 Internet Explorer would no longer play Quicktime files in my browser. No biggie, but then after 7.1.6 it would not longer load at all. I keep getting Error 46: Can't find or load Quicktime ActiveX control.
If I try launching Quicktime as the administrator, I still get the Error 46. And it just won't load. Even Sony Vegas Video won't render Quicktime files as that gives me an access violation.
I managed to find a Quicktime 7.0.1 installer, so I deinstalled 7.1.6 and installed 7.0.1 and all was well again. The program would launch and play Quicktime files and Sony Vegas Video would render Quicktime files again.
But as soon as I rebooted...Error 46 again...even after downgrading. Something's going on with the permissions and I cant seem to fix it.
The one shining light with 7.0.1 is if I launch it as an Administrator it will work after rebooting. But only if launching it as an Administrator.
7.1.6 will not do this. It will error everytime regardless of launching as an admin or not.
Anyone have any ideas how to solve this? And does anyone know if Apple is working to solve this issue? Hopefully this isn't too limited of a bug, otherwise I might be in for a long wait for a fix.

Hi, all
I thought I would post the link to another thread where I got this working on my machine.
http://discussions.apple.com/thread.jspa?threadID=948432&tstart=15
Hope this helps.
Thanks,
David Eaton

Recent loss of embedded QT movies on many page for IE7 using ActiveX object

I have many pages that allow you to select from 4 video formats including QT .mov. An example is at http://www.cwdjr.net/video4/cancanL.php . The QT object uses ActiveX when on IE only(I use Windows conditional comments) and an ordinary object for most other browsers. Until sometime very recently all of these pages worked when you select the QT file. Now QT works on none of them. I suspected the problem might be due to a very recent Windows XP update which is a large one including .NET updates and other things(K8951847) X 86. I was able to restore to a day before this update, but this did not solve the problem. Of course some portions of some updates can not be removed be restoring to an earlier time, so the result does not prove the update was not at fault.
The involved pages are mostly written in php on the server, so you will not be able to see very much by viewing the source code. To make the problem more simple to view, I made a test page for QT only and with the ActiveX object only. Thus this test page can not be viewed on most browsers that do not support ActiveX. The test page is at http://www.cwdjr.info/broadbandMedia/formatsAX/qtmovtest2.php . Since I serve pages as valid xhtml 1.1 using the correct mime type application xhtml+xml, no IE browser can view the page, since no IE browser can support xhtml served properly. Thus I have a php include at the very top for header exchange between the browser and server. If this says the page does not support the mime type for xhtml, then php using regular expressions, etc is used to rewrite the page as html 4.01 strict for the outmoded browser. Thus don't be surprised if you find some pages in xhtml and others in html when you check properties.
The ActiveX object used for QT on the test page is below:
QT MOV
(CLICK ABOVE LINK IF NO PLAYER)
<object classid="clsid:02BF25D5-8C17-4B23-BC80-D3488ABDDC6B" width="400" height="295" codebase="http://www.apple.com/qtactivex/qtplugin.cab">
<param name="autoplay" value="true" />
<param name="controller" value="true" />
<param name="kioskmode" value="true" />
<param name="src" value="http://www.cwdjr.info/movie/cancan.mov" />
</object>
Once the page comes up on IE7, it is rather slow to respond. Then it gives:
"Web site wants to install the following ActiveX control: 'Quick Time' from 'Apple Inc'".
If you do try to install, nothing happens. In contrast to my regular pages, I added the code show above just before the start of the object. Clicking this on will bring up the QT video, but of course it is not embedded on the desired page. This may work as a temporary fix for IE. I likely can hide it from other browsers by enclosing it in Microsoft conditional comments.
I would be interested if anyone else has had such a problem recently or any ideas concerning this strange response on IE7. I am talking about viewing the page on the server. Since this is a php page it can be viewed locally only if you have a server installed on your computer and I do not. The pages with the first url example given above have operated well on IE7, Firefox, Opera, Safari for Windows, Flock, K-Meleon, Google Chrome and SeaMonkey. There are a few players that have some issues with some of the formats, but this and the fact that some players may not be installed is the reason for offering the video in 4 formats. I sometimes offer high broadband versions as well as low broadband versions.
It seems I spend more time correcting IE issues than for all of the other mentioned browsers combined.

Thanks for the reference. I use nearly no JS anymore, since it often causes problems with true xhtml served properly even when you use external script files. Often one can use php script on the server and avoid these problems. When one serves as true xhtml using the correct mime type of application/xhtml+xml, the page is parsed with a very strict xml parser rather than a loose-as-a-goose html parser. (If one serves a page written in xhtml code as mime text/html, as is incorrectly done perhaps 99% of the time, you are using only html, not xhtml, and are fooling only yourself. The page is parsed as html instead of xhtml.) The xml parser has to be very strict to account for any possible xml content. Even a single, or even several, errors often will not prevent a html page from showing, but even a single error on an xhtml page served properly will often get an error report from the xml parser rather than a view of the page. One of the most laughable examples of misunderstanding of this issue is the home page of Microsoft. It claims to be xhtml. However it is served as text/html and thus would be better written in html 4.01 in the first place. Moreover, if you validate the page as xhtml at w3c, you find hundreds of xhtml errors. If Microsoft served their home page properly as application/xhtml+xml it of course would not work on any IE browser, at least through IE7, since none of these IE browsers can handle true xhtml. In addition the page likely would not show up on any browser if served as true xhtml until all of the hundreds of xml and other errors on the page were corrected. Instead, one likely would get a very long error report rather than a view of the page.
Back to JS, document.write will not work in properly served xhtml, because it easily could produce code with XML errors. For instance it might produce code that contains an unclosed tag, which is a major xml error that can cause an xml device to malfunction. The xml parser thus rightly finds document.write as an error and prevents viewing of the page. However one often can generate the same code as document.write would produce on a browser with php on the server. The finished code is what gets downloaded to the browser, so the xml parser can check everything in the finished code rather than quess what a JS document.write might produce. And don't think you can sweep document.write under the rug by using an external JS file. The very strict xml parser finds it.
Of course embed has never been a w3c tag, but rather is a bad hangover from the browser war era, a gift of Netscape. No page that includes embed can validate as w3c xhtml or xml of any flavor, at least through xhtml 1.1. However the page may work, despite the error, if server as text/html.
All I know is that something has happened recently that has caused my problem to surface. It likely has to do with some change in the XP OS or IE browser. I have tried viewing several pages written by others that use many types of code for .mov, and all of them I have viewed that use an ActiveX embed for the benefit of IE now have the problem I mentioned. If anyone else with XP and nearly all updates, including the very recent one I mentioned, and the most recent version of QT has had this problem, I could be more confident that the problem comes from an external source. If not, it is still possible the sudden change could be something concerning a specific issue that has developed in my computer.
Again, thanks for the JS reference. Some of this likely can translate into php so I can compare how the JS and php server script I am using relate.

ActiveX COM issue in new LabVIEW instance

I have a rather peculiar problem I'm running into with using a COM library from a company to read proprietary binary files. I'm not very familiar with this type of Labview programming, I just followed their examples and experimented, a lot. I have talked for hours with the software engineer at the company who provides the "FSCOM Server" as they call it (Orbit F/R) and he can't figure out what is going on either. His expertise is not in Labview, but in text-based languages (I had to explain how to wire things in Labview over the phone).
I use this FSCOM to read the contents of antenna pattern files stored in a binary format (frustrating). Everything works fine and as expected after weeks of experimenting and direction from Orbit. The problem is when I shut down Labview completely and open the code in a brand new instance, I run it on a data file and It errors out with "The server threw an exception." The weird part is nothing has changed from when it worked 30 seconds ago when I was programming it before I shut down Labview. The way to get it working again? Delete just 1 wire somewhere, anywhere then re-wire it. Now it works, everytime.
Does anyone that knows COM/ActiveX have any idea how I can get this to work so I can make it an executable to distribute to other workstations?
PS. It currently won't run in executable form, I've tried.
Jamie
Attachments:
FileSystemCOM_Server_1.x.zip ‏4115 KB
folder.zip ‏502 KB
Block Diagram.png ‏286 KB

Thank you for the tips, like I said I'm new to ActiveX objects so it's good to know how to properly handle them. I was using the attached code as my example on how to use their COM server so anymore information on how to use them or if they were not following a "best practice" is welcome.
However, I don't think the closing references out of order explains this problem because when the code works, as in when I delete a wire and re-wire it, it works perfectly.
If I open it in a fresh Labview, it won't get past case structure "4" (Read Azimuth / Elevation Angles) as in it doesn't seem to successfully read the data file as that is the first bit that looks inside the actual file. This made me think its a file/COM server issue which is why I spent over an hour on the phone yesterday with the developer of this COM server and he actually re-created this problem. Sadly he couldn't figure out why it would work if you just played with the wires a bit first.
So this is why I'm here to see if there is anything blatently wrong with how I'm doing this according to Labview standards and not MatLab or some other languages' standards. I'm hoping that whenever you or someone else gets a minute to try my .vi's they will run into the same problem and can maybe direct from there.
It is a strange thing to have working code, but only if you change it first.
Also I know this would be a lot cleaner if the case structures were subvi's instead but I tried that when I first started programming this and couldn't get the reference of the COM Server to read out/read in correctly from on subvi to the next. I wired it up like I do any other vi and like so many NI drivers are out there, but it wouldn't work with this COM server and I just had to get it working so I moved on. I may revist the subvi aspect later after its built and working for everyone and just make it an update later to clean up the code a bit.
Jamie
Attachments:
FSCOM Example - BD.png ‏67 KB

System Exception:OSoftResSvrAdm.Handle Creat ActiveX Object Error at Admin

Hi Experts,
While logging into the BPC admin client, we are facing the following errors:
System.Web.Services.Protocols.SoapException: Server was unable to process request. ---> System.Exception: OSoftResSvrAdm.Handle Creat ActiveX Object Error at Admin Server
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We have been facing this issue since the time the server was restarted after changing the admin password.
Please help us in resolving this issue.
Thanks in advance.
Meera

So you changed the pwd for installation user of SAP BPC.
After you performed this change did you open Server Manager and go to Reset Credential link?
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After that try to login again using BPC client.
Regards
Sorin Radulescu

ActiveX Objects Don't Run Code When Clicked after installing SP3 for 2007

I have an application that I built using Excel 2013 for a client who uses Excel 2007. Up until mid-December of last year, the application ran fine on the client's machines. Today we found that their version does not work - specifically,
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then learned from their IT guy that a MS security patch, 2984942, was installed on 12/12. Has anyone experienced any issues running VBA code in either 2007 or 2013 after installing that patch? What am I missing?
Thanks in Advance.
Bugless

I have an application that I built using Excel 2013 for a client who uses Excel 2007. Up until mid-December of last year, the application ran fine on the client's machines. Today we found that their version does not work - specifically,
clicking an ActiveX command button does not result in code running. Of course, we double-checked to make sure macros were enabled etc. We tested other files and got the same result. We tried running them off of thumb drives, to no avail. We
then learned from their IT guy that a MS security patch, 2984942, was installed on 12/12. Has anyone experienced any issues running VBA code in either 2007 or 2013 after installing that patch? What am I missing?
Thanks in Advance.
Bugless
Yes, recent update in December broke ActiveX objects in Office. Solution is simple. Close all instances of Excel and other Office products. Do a wild card search for "exd" files (not exe !). Delete all the exd files.

Getting "Connect Timedout or auth error" when usging UltraVNC ActiveX object in LV 2010

Hi all,
I am trying to use a VNC viewer activeX object (from: UltraVNC ActiveX Viewer) in Labview to start a remote desktop / VNC session. The example supplied along with the control is a HTML page with javascript invoking the object.
Initially, I tried using the object by directly inserting it into an ActiveX container, but it never worked. So, I altered the design and inserted a WebBrowser object in the ActiveX container and used the Navigate2 method to open the local .htm file (that contains the exact same code as shown in example, but with altered Server address to match my local condition). Yet, even this method fails. As soon as the control passes to the Browser:Navigate2 method, I get an error stating "Connect method failed as it timed out or authentication failure". Just to make sure there is no error with the html file itself, I opened the file in Internet Explorer and it works without issues, after first allowing the ActiveX to run (throws up a banner on top of the page saying "it is unsafe to run the activeX" (IE's security measure).
Did anyone use this before? I just want the VNC Viewer functionality in Labview, so any alternate suggestions are welcome too.
Regards,
Sri Ved

Tested the solution, but did not work. Attached is the screen shot of the error, if it helps. Also, I ensured all the variables under ActiveX and Scripting are set to "Enable" in IE Security Settings (listed below) in both the Internet and Intranet categories. Is there something obvious that I am missing?
Regards,
Sri
Enabled:
  Allow previously unused ActiveX controls to run without prompt
  Allow Scriptlets
  Automatic prompting for ActiveX controls
  Binary and script behavior
  Display video and animation on a webpage that does not use external media player
  Download signed ActiveX controls (not secure)
  Download unsigned ActiveX controls
  Initialize and script ActiveX contrtols not marked as safe for scripting
  Only allow approved domains to use ActiveX without prompt
  Run ActiveX controls and plug-ins
  Script ActiveX controls marked safe for scripting*
  Scripting:
  Allow programmatic clipboard access
  Allow status bar updates via script
Allow websites to prompt for information using scripted windows
Enable XSS Filter
Scripting of java applets
Attachments:
ActiveX_VNC_Error.jpg ‏134 KB

ActiveX Object references - casting to a specific instance

I have some ActiveX controls that are used to interface between a vendors hardware. The activex controls are quite heavy weight in that at any one time there should only be one instance of each of the type of controls within the program.
What I want to do is keep the activex controls in the top level vi and pass references to sub-vi's in order to do property changes or method calls on the activex objects.
When I create an activex reference control in a sub vi it doesnt seem to know what methods/propertys are available on that reference. I beleive it needs casting/converting to a reference that will allow LabView to recognize the reference type but im not sure how to do this.
Thanks
TMC

Your automation refnums are probably not linked to the ActiveX control. Try this... select a property node in your main VI's diagram that has the desired ActiveX control attributes displayed and then select Edit>>Create SubVI from the menu. The automation refnum in the subVI will be linked to the ActiveX control and will work the way you want it to. Copy this to your other subVIs and the property nodes will start behaving. The other way to link the automation refnums is to right-click on them and choose select ActiveX class and then browse to your control.
-Jim

How do I get an activeX object reference from a LabVIEW ActiveXContainer ref?

How do I get an activeX object reference from a LabVIEW ActiveXContainer ref?
I'm trying to control an ActiveX object (a Web Browser) from another VI and need to get the object reference programmatically. I can get the LabVIEW ActiveXContainer reference, but am lost on how to get the reference for the object _inside_ the container.

Hi Lee,
The reference to the container is actually also accessing the object inside the container. Use the Property Node and Invoke Node to access properties and launch methods for the object. I've attached a small example that passes the reference to a SubVI and invokes a method inside the SubVI.
- Philip Courtois, Thinkbot Solutions
Attachments:
WebContainer.zip ‏21 KB

Acrobat 7.0 ActiveX Object example code in Lookout

Help folks!
I'm trying to set up the Adobe Acrobat 7.0 Browser Document ActiveX Object under Lookout 6.0 but it doesn't work. My goal is to display a pdf document by lookout.
What should I set by Property Browser...?
What should I set by Property Pages...?
What should I set by Value Property:?
What means the term "Property" in this kind of objects?
Is there an example code I can get?
Any suggestion will be appreciated.
Thanx.

I don't know of a FREE ActiveX control for MS Word. However, if you have MS Word installed on the same computer, you can use MS Internet Explorer ActiveX Control to view Word documents.
But before we do that, we have to make sure that MS Word is set to open documents in the "same window." This basically opens a DOC file in Internet Explorer itself rather than launching a new MS Word window and then opening the DOC file in it. To set this (if it isn't already):
1. Launch Windows Explorer.
2. From the Tools menu, select "Folder Options"
3. Click the "File Types" tab.
4. From the listing of "Registered File Types," select "Microsoft Word Document," (you can get to it fast by typing "DOC"); click Advanced.
5. Click the "Browse in same window" check box -- this toggles whether a Word document is launched outside of Internet Explorer.
6. Click OK to close the dialog boxes.
NOTE: if the DOC still opens in a new MS Word window (and not IE), go back and toggle the check-box.
In Lookout, use the Lookout Webbrowser control (which is nothing but MS IE Control). Specify the file path to the DOC file as the URL. I am attaching a process file which does this using a TextEntry object.
Hope this helps.
-Khalid
PS: not sure when this changed but we can't directly attach .L4P files to a post.. what a pain! Please take a minute to add your weight to this request:
http://forums.ni.com/ni/board/message?board.id=130&message.id=2142
Message Edited by Khalid on 12-28-2005 02:55 PM
Attachments:
doc_process.zip ‏4 KB

Insert ActiveX Object - not in list

Hi, guys.
After one time, I'm not able to install by myself ActiveX controls and embed these controls into ActiveX containers yet. I refer to ActiveX controls that can be embedded into ActiveX containers, not those used to instantiate other applications.
I want a certain ActiveX Control to be displayed in an ActiveX Container on the Front Panel. In this particular case, it's a Mozilla Firefox ActiveX Control. According to http://forums.ni.com/t5/LabVIEW/activex-firefox-and-mozilla/td-p/356235 (see message 5), after getting the component from the link provided and installing it, I should be able to insert onto the empty ActiveX Container by clicking over it and selecting "Insert ActiveX Object...". In this case, "MozillaBrowser class" should appear in the list, but not.
However, if I place a Property Node or Invoke Node without reference on the Block Diagram, click on it, then "Select Class" -> "ActiveX" -> "Browse", I find the class "MozillaControl 1.0 Type Library Version 1.0", that, among others, it contains the class "IWebBrowser2". This class happens to be called "MOZILLACONTROLLib.IWebBrowser2". But, once I have the Property Node or Invoke Node, I can't create the container from it (create control from its reference) neither place an empty ActiveX container and wire its reference to the Property Node.
I also tried registering the ActiveX Control, by typing "regsvr32 <control_name.dll>" in the command prompt, but nothing changes.
But this doesn't happen to me only with this particular ActiveX control. Every time I want to find in the list a certain ActiveX component after installing it, I can't find it, and I end up copying ActiveX container blocks from VI examples I found on the forums... One example is using AcroPDF ActiveX Control.
Any suggestion? Has anybody faced the same problem?
Regards,
Francisco
Attachments:
ActiveX Container.png ‏26 KB
Property Node.png ‏35 KB

Hello,
Probably you can
see the server in the pop-up menu because the server is not in the PC but is in
the registry. Remove the checkbox “Validate Servers” to see if the Mozilla
server appears. According to this LV help link...
http://zone.ni.com/reference/en-XX/help/371361G-01/lvhowto/creating_new_controls_in_a/
... looks like the server is not installed in the PC... or it’s not registered.

How to create Activex object for my Visual C++ object

Hi,
I am working on development on Acrobat 9.0 SDK. I am facing problem is that I can compiled Visual C++ source code to an api. I can test functions on this api on Acrobat 9.0 windows, but I could not test it on IE web browser, because I don't know how to create Activex object from my Visual C++ source code or its api.
I read Acrobat 9 SDK document and found under C:\Acrobat 9 SDK\Version 1\PluginSupport\Tools\Visual Studio App Wizard has two files: Acro9PIWizInstaller.msi and setup.exe. I am not very sure those file are the key to help me to create Activex objects for my api. Are they the one I need to create Activex object? If not, could you please advise me how to create Activex object for my api or C++ codes.
Thanks a lot for any of your comments or advices.
Thai

Hi lrosenth,
Thanks a lot for your information.
My question is, on Javascript how do I call a function from .api. Below is my very simple test.
I got a function on BasicPlugin.cpp under C:\Acrobat 9 SDK\Version 1\PluginSupport\Samples\BasicPlugin. See below.
I added BasicPlugin.api on C:\Program Files\Adobe\Acrobat 9.0\Acrobat\plug_ins
     ACCB1 int ACCB2 MyPluginCommand() {
          int num = 5;
          return num;
On my HTML file, I create an <Object> below:
    <OBJECT id="acrobatapp"
            classid="clsid:85DE1C45-2C66-101B-B02E-04021C009402">
    </OBJECT>
    <OBJECT id="acrobatpdf"
            classid="clsid:CA8A9780-280D-11CF-A24D-444553540000"   >
        <Param name="SRC" value="http://www.adobe.com/devnet/acrobat/pdfs/acrobat_digital_signature_appearances_v9.pdf">
   </OBJECT>
On my Javascript. I call function MyPluginCommand() as below, but it is not working. How do I call function MyPluginCommand() on Javascript?
     var acrobatapp= document.getElementById("acrobatapp");
     var num= acrobatapp.MyPluginCommand();
     alert(num);
Thanks for your support,
Thai

Alternative for the ActiveX object for the other browsers excluding IE?

I need open a word document (Doc/Docx) then edit and save in client side itsetf.forthat i'm using ActiveXObject and javascript.it is working fine with IE but it's not working in other browsers(Chrome,Firefox).
var w = new ActiveXObject('Word.Application');
w.Visible = true; //set to false to stop the Word document from opening
obj = w.Documents.Open("D:\\test.docx");
docText = obj.Content;
w.Selection.TypeText("Hello world!");
w.Documents.Save();
what is Alternative for the ActiveX object (OR) How can i edit a word document (Doc/Docx) by using client side scripting?
Punch bala

This problem is haaping to you there is reasons are
1. Old FF , so 1st update your browser
2.or net speed , beczzz gmail needs high speed .. high means not like 3G ..it should be approximately 25-30kbps . As u wrote this doesn't happen in IE , becz IE is mad for work in low speed also bt it takes time to load .. ones load never refresh without you permition bt FF works fastly so it try to open as it has dwnloded ,, bt half part cant be stable long .so it refreshes..........
So now update ur browser n use high n stable INTERNET ....

What's wrong with a "regular" global in this case? AND WIl ActiveX objects stored in functional globals remain valid (when used in an executable)?

I've written a plugin layer for a LV executable. When this layer makes a call to the plugins' initialization functions, I want each plugin library to be able to initialize and maintain its own global memory (where things like VISA resource names or ActiveX objects are stored). However, I've found that I can't manage to keep my global VIs "alive." I'm inclined to switch to functional globals, but I suspect that this will be a problem for things like ActiveX objects (that in this particular case reference a CAN interface). I believe that the functional global will indeed store the object from run to run, it's just that I'm somehow disinclined to think that the object will remain valid. I think you'll have to re-initialize it. Can anyone speak for or against this hunch? (If you can't tell, I'm trying to avoid building a whole little test executable just to debug this problem.)
I suppose the more profound question is "Why don't the globals stay in memory?" I'm attaching an image of what the application layer that calls the plugins' intializations looks like. Next I'm attaching an example of an actual initialization routine. You'll notice that I've even gone so far as to explicitly open the ref to the global VI that I want to keep in memory. Then I just leave it there dangling - but it still gets dropped! In my mind I shouldn't even have to do this, since the dynamically-called subVI "MC_CMO Init.vi" actually initializes the globals and runs with AutoDisposeRef = False.
Lastly, this is my first-ever attempt at writting plugin software. So if you look at my code and have any criticisms/pointers, I'll greatly appreciate them.
Thanks in advance,
Nick
"You keep using that word. I do not think it means what you think it means." - Inigo Montoya
Attachments:
AppLayer.JPG ‏60 KB
InitPlugin.JPG ‏103 KB

I am not sure if I follow you completely on your work-around.
Everything I have to say on this topic is based on obesrvations and threads I have read on Info-LabVIEW. Therefore it is subject to corecttion by those who know better.
LV is smart enough to know when "something" that had been opened, can be closed. It is not perfect.
If for instance you open a VISA refnum and pass the refnum to a LV2 AS A REFNUM the refnum in the LV2 stay alive as long as the VI's are running.
If you start another VI that uses the LV2 to fetch the refnum, it should get a valid ref as long as it starts before the first goes idle.
You then be able to work with refnum usign the VI launched second as long as stays active.
I often create action engine that can be invoked where required throughout an application. If the action engines get a ref in one state (like init) and use it another, I will generally write a "tester" that calls the action engine action to test the engine. In this case, my "tester" stays live and it keeps the ref's fresh.
I suspect if you tried to trick LV you could. If you type cast the ref nums to I32 and stored those in a LV2, I could see how LV could loose track of the resource sharing, but that is something I would avoid.
So I encourage you to do some experimenting with keeping track of who's running when to see if your work-around will work.
If you think you understand it better than I explained it, please post.
Trying to help,
Ben
Ben Rayner
I am currently active on.. MainStream Preppers
Rayner's Ridge is under construction

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