Pb with "Get Variant Attribute" LabVIEW 6

hello
I want to find the value corresponding to the variable name in a Variant structure. For this purpose I use the "Get Variant Attribute" function, but I do not get any good result : no result in the get value, and also when no string name input is given to get all the attribute of the variant.
where is the bug ?
thank you

Hi,
No bug, Get Variant Attribute returns values you've put in it using Set
Variant Attribute.
Unfortunately there is no way (I could think of) to get the text of a
variant out of the variant in string format.
Regards,
Wiebe.
"hub" wrote in message
news:[email protected]..
> hello
> I want to find the value corresponding to the variable name in a
> Variant structure. For this purpose I use the "Get Variant Attribute"
> function, but I do not get any good result : no result in the get
> value, and also when no string name input is given to get all the
> attribute of the variant.
> where is the bug ?
> thank you

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Get Variant Attribute Should Search for and return multiple values based on RegEx

I am using Variants as lookup tables (see this article):
Using Variant Attributes to Build a Dictionary or Look-up Table
I would like to be able to use some sort of wildcard to return multiple results from the Get Variant Attribute VI (all results are of the same type, and I don't know the exact names of all the results - those two points make this idea distinct from this idea: Set/Get Variant Attribute for Multiple Attributes).
Ideally the wildcard would be RegEx. If it were, the means by which you specify what to return is standardized.
In the above example, there would be some ambiguity in terms of whether or not you would want to return a result or an array of results given an input, and I doubt you could detect and assume RegEx is what the programmer desires to use. So I think this means a new input would be required to specify whether or not the "name" input of the Get Variant Attribute VI should be interpreted as a RegEx query.

Why RegEx? Why not SQL query? Why not filename wildcard matching?
I don't see anything that makes RegEx special. For this kind of functionality, the code that you've written seems like exactly the right way to do it rather than bolting a RegEx parser or any other system into the primitives or clouding the palette with a bunch of primitives to support various search functions. I could see a primitive that takes a VI refnum that has a conpane of string in/boolean out that you would pass in to supply the filter functionality that you want for any given application, but even that I'd lean toward just letting that be a library that someone writes on top of the primitives. Yes, there is some memory reduction that can be done if it is internal to the primitives, no question about that. But there are so many variations in how to do that filtration/sorting/etc that I'm not confident that any prim would cover a sufficient use case to be worth it. I could be wrong here ... let's see what other comments come in.

Get variant attribute

I m using LV 6.0.2, the function "get variant attribute" does not work. I
get nothing out of it: no error, no values.
Any idea?!
Actually I could need exactly the string that is shown in a variant
indicator/control.
e.g.:
'Cluster': cluster of 2 elements
'Array': 1-D array of
'Numeric': double
'Boolean': boolean
'Array' -> (2.000E+0, 2.000E+0)
'Boolean' -> FALSE
Has anybody an idea how I can get this as a string?
Thank You.
Max
-> [email protected] / [email protected] <-
-> Max Weiß * Eulenweg 2 * 76356 Weingarten * Germany <-
-> Fax/Voicebox: 0180 505254775181 * Tel: +49 162 9114507 <-
-> ICQ: 123429315 * DB 8 MWE <-

The reason you can't get an attrivute of the vairant is because your variant doesn't have any. Use "Set Variant Attribute" to add an attribute to your variant, and then you should be able to read it back later using the "Get Variant Attribute".
cheers,
Christopher
Copyright © 2004-2015 Christopher G. Relf. Some Rights Reserved. This posting is licensed under a Creative Commons Attribution 2.5 License.

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Hi All,
has anybody and idea how to set LDAP attributes retrieval with EAPChaining enabled?
My scenarios is:
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This works when I disable EAP-Chaining Policy -> Policy Elements -> Results -> Authentication -> Allowed Protocols ...
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Hi,
This seems like a corner issue, because eap-fast with ldap is not supported. LDAP as the protocol doest support hash based authentication hence the reason ISE is failing to hit the ldap database.
Referencing acs material since ise docs are not complete:
http://www.cisco.com/en/US/docs/net_mgmt/cisco_secure_access_control_system/5.2/user/guide/eap_pap_phase.html
Sent from Cisco Technical Support Android App

Incorrect terminal name for "get variant attributes" (bug?)

According to the help, the output named "values" should change its name to "value" once we wire a name.
This does not seem to be the case (See tip strip in image below) as tested in 2013 and 2014..
LabVIEW Champion . Do more with less code and in less time .
Attachments:
VariantTipStrip.png ‏2 KB
VariantValueValues.png ‏30 KB

In LabVIEW 2013 it changes to value if only the name input is wired. Once you wire the default value, it switches back to values. 50% is true :-)

LabVIEW Variant Attributes get lost in TestStand?

Hello,
Example code attached.
I'm using a LabVIEW variant as a lookup table by using the attributes (see here: https://decibel.ni.com/content/docs/DOC-25371 (and others)). It works well. When I attempt to pass this variant from one TestStand step to another, I lose the attributes of the variant. I've made a small example to demonstrate this. Am I doing something wrong? Why does the variant retain the value, but not the attributes? Should I store this as another type in TestStand? In the documentation for LabVIEW types in TestStand, it is claimed that a Variant in LabVIEW maps to "Anything" in TestStand. When I tried to use a Boolean, however, I got an error and was instructed to use a Container. Does that container need to have some specific suptype to retain the attributes? Or does it have nothing to do with that?
Thanks in advance

Hey GarryG,
Here is an excerpt from the NI Product Support Engineer's response on this issue:
"Unfortunately, this is a known limitation with LabVIEW variants in TestStand. When LabVIEW variant data is returned to TestStand from a LabVIEW code module, the data overwrites the property. TestStand does not have a mechanism to "fit" the returned variant data to the TestStand type, so unfortunately you will need to either remap the data to the type, or use a cluster rather than a variant."
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Typecasting LabVIEW Variants in TestStand Forum Post:
http://forums.ni.com/t5/NI-TestStand/typecasting-Labview-variant-in-Teststand/td-p/2160452/page/2
I hope this helps!

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How do I maintain varying attribute dimensions in a model with a large base dimension? It does not make sense to manually maintain all those members in the outline.
Is it possible to import varying attribute dimensions (with a load rule)?

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Cwgraph3d variants in labview?

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I'm using a 3d graph (cwgraph3d) in a simple labview vi and am trying to extract mouse position coordinates. I can get the mouse events to fire correctly, but I can't figure out how to use the data that is provided in the event. The event data is provided in a variant format, but I can't figure out how to convert the variants to anything I can use in LV. I've tried using the "variant to data" function, but I get the error "LabVIEW: The data type of the variant is not compatible with the data type wired to the type input." no matter what data type I use. Also, flattening the variant to a string results in an empty string. Anyone have any ideas?
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cwild

Hi cwild,
Welcome into the sunlight! You wrote "Hi there, first time poster - though I've been reading these forums for a long time."
Then you have heard us ask for an example to help us help you.
Post a quick demo of what you have so far and we may be amble to give you the "push" you need to get over this hump.
Ben
Ben Rayner
I am currently active on.. MainStream Preppers
Rayner's Ridge is under construction

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Please follow the below steps to restrict the user to access 2 company codes,
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Hi,
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Ilker

ActiveX variant to LabVIEW variant

Hi Ppl,
I'm reading ActiveX data from an application(TestStand) in LabVIEW. The data I get is of the type ActiveX Variant. When I use variant to data node I'm able to convert the data to the corresponding data type. Howevere in my application the data type varies dynamically and I cannot use the variant to data node.
I will have to flatten it to string. But the flatten to string node does not work with ActiveX variants. It only works with LabVIEW variant types. So is there any way that i could convert ActiveX variant types to LabVIEW variant. I tried the to variant node too. I too does not convert it as expected.
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Here is how both the variant types differ
Activex variant (boolean):
'': OLE Variant
Variant Type -> VT_BOOLValue -> FALSE
LabVIEW variant(boolean):
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FALSE

Hi lordsathish,
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Refer to the PropertyObjectType reference help for details on these methods
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Issues with windows 7 after Labview 2012 installation

Hi
I am having some issues after installing Labview 2012 on machines running Windows 7. Firstly, after installing a program on a user's machine, the machine sometimes takes 20 minutes to boot up before the user can log on. The 'Please Wait' message appears during this time. This is also the case on the development machine.
Secondly, on the development machine, I am having an issue when trying to run compiled programs created in Labview. When installing, everything works fine but when I go to open the program, it appears on the task bar for a brief period before closing. It does not appear in the task manager either. I have tried this on 2 other machines with windows 7 and Labview installed and still get the same issue.
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Hi
Firstly, looking at the issue with the slow Windows 7 boot up time, as Norbert_B suggested the Windows Event Log is a good starting point to find the root of the problem. The following link describes how to launch “Event Viewer” and some common problems:
http://itexpertvoice.com/home/what%E2%80%99s-taking-so-long-how-to-fight-slow-startup-times-in-windo...
Aside from that, if your computer is part of a domain, the problem may be connected with certain Windows Services that start automatically on boot up. I recommend trying the following steps:
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Does this occur for multiple executables or just one in particular?
Does the code run without a problem within LabVIEW?
Have you tried to update LabVIEW?
What hardware are you running?
Without this information I can only think it may be caused by the Windows Data Execution Prevention (DEP) security feature. So you can try the following steps:
Right click on “Computer” and select “Properties”.
Click on “Advanced System Settings” and select the “Advanced tab, then under the performance section click “Settings”.
Click the “Data Execution Prevention” tab.
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Andrew.N
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Pb with "Get Variant Attribute" LabVIEW 6

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