Get the reference to control of the connector pane

Similar Questions

• Subvi value not updated when it is connected to the connector pane

  I have a legacy program that computes a frequency when a value changes of sensor (falling edge essentially), and I'm trying to convert the logic to a Subvi, so I can use it for 44 other sensors. The program first used a large number of property value node, I discovered is not good for subVis. I converted them to local variables, but I still have questions.

  As soon as I connect something to the output pane that closes the update value question. If I remove the connection in the connector pane, it works fine.

  a picture of the block diagram is attached. I tried to connect Freq and frequency of output to the connector pane, as soon as I connect it to the component connector to work properly to date do not at all.

  The VI is configured as non-reentrant.

  Thank you

  
  

• Could not load the connector pane

  Has anyone else had this error before?  I asked tech support, but they had not seen anything like that either.

  System:

  Windows 7 Professional (64-bit), LV2010 (10.0f4 v, 32 bit)

  The repro steps:

  (1) create a new VI (any method)

  (2) right-click on the icon and select 'display the connector '.

  Expected result:

  Connector pane appears

  Actual results:

  Error message - "LabVIEW: cannot load the component connector.

  

  Workaround solution:

  Click OK in the error message.  The connector pane then charge and everything works fine.

  This happens only the first time that I open the component connector on a VI; It does not happen after that I have opened (even after the backup, etc.).  Technical support had me try the f4 patch, reinstall/repair of LV2010, and I even made a compilation of mass for good measure.  It is not a real problem (I just click OK on the error and go about my business), but I'm curious to see if anyone has seen this kind of behaviour before.

  -Daniel

  So if you have an archaic line in your file LabView.ini (maybe since way back in the days 6/7/8.x and it is simply copied to after each upgrade, then copied on new computers) and it looks like this:

  defaultConPane = 4185

  

  Then you could try to load a connector component that does not exist.  It should perhaps have been 4815, or something else.  In any case, delete said line and everything is fine.

  http://digital.NI.com/public.nsf/allkb/279F064F0688C114862570900057678C

• Get all reference - modified controls: problem with LV2009 (and not LV8.6.1)

  I modified reference.vi get all the controls (http://zone.ni.com/devzone/cda/epd/p/id/2902) and it works very well in LV8.6.1.  With LV2009, I get the class conflicts of wire (for references).

  With LV8.6.1

  

  With LV2009

  

  I tried to type cast (more generic class) but it doesn't work, someone has an idea to solve the problem?

  Jean-Marc

  I agree with you,

  I made the changes as soon as this morning.  I just need the reference of the tab control itself (I don't need references from pages). I used 'generic' instead of 'control' and I catalogued to a more specific class (control) in step 5 in the block diagram.

  
  Thank you

  Jean-Marc

  The changed files are available at http://forums.ni.com/ni/board/message?board.id=4170&thread.id=30464 (I apologize to not upgrade this post).

• Why the connector pane displays a different connector for lvclass?

  Picture is worth 2000 words...

  What is the special problem with the connectors on the left & right superiors?

  I have other lvclasses, but they do not have the points X shaped...

  

  Those who are marked as dynamic connections distribution (take a look on where you would be required). An entry from JJ means that it is a VI that is designed to be substituted dynamically at run time according to the type of class actually present on the wire.

• How to get the tree pane in DW CC2015

  First of all, I feel like a fool asking but here goes.

  Some of the tutorials show an option where there are three components.  Upper left corner - Code, upper right corner - view CSS, low - mode Design.

  I ask just because adding, the designer of the CSS is great, but the three could help me work faster with the three components.

  The combo would be great, but I can't seem to get a view HTML, CSS and view Live or at the same time.  Is there a way to do it?

  Sorry for the question but I have a project that would be nice to have just for fun.

  TIA.

  See Customizing the workspace.

  Using Dreamweaver | Workspace and workflow in Dreamweaver

  In the article above, shown working space seems to be checked out to the workspace.  Excerpt from view on the left. Live view on the right and Code mode on the bottom (split with Live View mode).

  Associated files (external files linked to the document) are in the tabs at the top.   You can click on the tabs for faster access to editing code (CSS or JavaScript) while remaining in the same document. When you need to go back to the HTML page, click on the Source Code tab.

  In 2015 CC see DOM Panel. What is the tree you're looking for?

  Using Dreamweaver | DOM Panel

  Nancy O.

• under condition of read/write terminals on the side of the connector (basic training 3)

  Hello

  During my practice towards the review of the CLD, I examine the Core 3 online training material too. I just read a few tips of 'best practices' on the forum, for example this post:

  http://forums.NI.com/T5/LabVIEW/Community-Nugget-wired-terminals-in-subdiagrams-clearing-up-the/m-p/...

  It should be noted, that we should not use terminals (which are on the connector pane) to the inside of while loop or condition of the structure. Neither control, nor indicators (read/write terminals): "terminals conditionally read or written on the side of the connector are BAD!"

  I can find many examples in the online training materials, when the indicators and controls are placed inside while loop and the case of structures in a Subvi.

  I guess I should not do this during my review of the CLD, as they will run benchmark on my project? Should not be the core training materials updated some time? Or it's just not too important to have terminals on the outside? I would lose points during the CLD Exam my project as in the Core 3 screws?

  example 1: Core 3, exercise 4-6 design of an error-handling strategy:

  

  EDIT:

  What's even more ugly in this project, is that, in the case of 'Get empty Cue', the Cue output indicator is updated via a local variable, because the indicator is not accessible via 'outside ': wire

  

  Nice catch on the training material.  that the application would take an if subject to a review of the CLD test graders.

  As noted in the nugget: sentencing of perfomance for conditionally reached terminals is a function of the size of the data.  So, it is sometimes acceptable for simple data.  The larger point being to learn about compromise and make the right choice for your code.

  Preping for the CLD on other means of hand knowing that VI Analyzer will run on your project.  Like any other code review you walk in - know the guidelines for the review and code to ' review ' as well as 'reply spec.'

  I've not seen an instance where an example of shipping (2013 and later versions) would fail this test VIA (there are a few screws deep inside the vi.lib which can date back to before the adoption of this recommendation from style)

• is it possible to get the label of any variable as a string?

  After all I have label indicator (or other) is there a function that reads the label and returns a string?

  Code and attached image (I use 8.2)

  First of all, the reference is a control - it is plugged into the connector pane.

  This will work only for numeric values.  I found a way to run generic references, but I still do and it is probably too much work, unless you really need.  There might be an easier way...

  When you this Subvi VI another, would connect you a reference to the object that you want as the label to the input terminal.

  Let me know how it goes...

• white connector pane programmatically set

  OK, I found this:

  > To use the call by reference for the screw with the different, unknown Connector components,.

  > methods Get/SetControlValue to set the inputs & outputs instead of wiring

  > to the call by Ref-connector pane; and force the screws comply with the 'white '.

  > connector pane (it can be set programmatically).

  I am get and set values of control very well both the vi which is called by reference has the same connector model and all terminals are disconnected.  Any body know how to get to the second part of this information (IE disconnect all terminals by programming)?

  If you define the model of vi referenced which would be even more chic or better yet, read the model and be able to create a strict typed reference (knowing that I prefer not to worry the exact model / connections of the vi, I call you).

  You must use the server method VI "Run", instead of the call by reference. The
  only reason to use the call by reference, is to use the connector pane.
  If you do not use this feature, use the Run method.

  Waiting set to true and the Ref. autodispose also to true, and it doesn't
  just like a call to reference, without the functionality of the component.

  Kind regards

  Wiebe.

• Misfortunes of connector pane

  My guard re-failing itself to a connector pane layout unwanted 6446, possibly after looking at someone else's code.

  I tried to play with the LabVIEW.ini keys and I searched on the tools > Options you are looking for something related, but whenever LabVIEW is restarted, the connector pane returned to 6446.

  Am I missing something?

  A G #?

• Get the reference to the type of control of def

  Hi all

  I've been using VI script to update certain parts of the report and have encountered a problem in a case.  I was not able to get a reference to a def control (.ctl file).  The control is simple enum, and I recorded it as a def type because I use several places in my main VI, although I don't think that my problem has nothing to do with the fact that it is a def type.

  I know how to get a reference to a VI (Open VI reference function), and I know how to get a reference to a control in a VI (function Open VI of the reference of the object), but not a stand-alone control.  Details of the help file for the Open VI reference function imply that I might be able to do this with instructions to "Strictly typed VI reference", but it let me only select files .vi and not the .ctl file.  Please notify.

  Thank you very much

  GSinMN

  You can open a typedef of control using the VI reference open and the path of control of wire on the way to the VI.  You can then change the control with scripts by obtaining a reference to the control on the front panel.  If you have a VI with control of typedef, you can get a reference to the typedef (not its instance) by obtaining a reference to the instance and using the Typedef VI or properties Typedef plotted for reference, or the path to the typedef.

  This can be confusing because a typedef is literally a VI without a diagram, and the script processes as such.

• Move the controls the façade of a VI. How do you get a reference to a whole "grouped" controls?

  Fundamental problem (boring, if not disastrous - but common - at least for me):

  When you try to two sktick different screws together and you copy the block diagram from one to the other, it sticks all the controls in the middle of nowhere.  Then, you will need to spend about 10 minutes by dragging controls to the screen from one end of the diagram to another - sometimes more than 15 screens.  Surely, there must be a better way?

  * Either by the way, you might think that labview would have this kind of parameters in the 'properties' of the control in the right click menu - but not joy.

  I guess the obvious thing is that you can write a VI that will get a reference to a particular control, then say together, that is the position (x, y) to zero.  The only thing is that generally, there will be a selection of controls, and often they will be organized nicely - after bring them to zero that you don't want to rearrange their new.  I tried grouping, controls, but then the problem is - how to get a reference to a group of controls.  If you move one of them it does not keep the spatial arrangement.  At this point, I lost - and easily spent more time that should fix this problem.

  Any thoughts?

  If I understand you correctly, when you copy the block diagram of the second VI in the first, the controls of the second end of VI place far-field on the left on the front panel of the first, correct?  I think that these added controls will maintain their relative positions between them so you should be able to find them all as a group in the left field. Then it's all just a matter of how to get them enmasse to the rest of the controls on the front panel. There are some easy ways to do this. There is a button on the toolbar at the top of the front window that allows objects to resupply/group/dissociate the façade. You can select all the orders/lights out in left field and ' ' together them. (As an alternative, you can also drop them all on a tab control that will serve as a container for them). Then you select this group and with selected scroll back on to the existing façade and search and select (shift) ALSO a control/indicator to group existing too. Then with the TWO existing of the selected control and the new group (or a tab with the new group control) selected using the ALIGN buttons to quickly bring a corner of the new group in the alignment of the old control. At this point, you can unlink the news and move it where it should be.

• How can I get the control specifies a reference (by the script)?

  By what method of property can I control that specifies a reference? (See an example of a reference to the code snippet).

  

  When I reference (ControlReferenceConstant in the script), I can't get control of the reference points to. I guess it's done with the property ' reference control bound to. " But I don't know how to convert the variant to the control. Conversion to the control class does not work. (See excerpt below). Conversion does not return an error, but the reference is not valid.

  

  A few details: the variant contains a reference to a control and has a name matching [2]. The type of reference data is just as well [3]. But the reference is 0, which is of course invalid digital show (seen in the probe and indicator).

  An entire book would be to iterate through all controls (indicators included as well as items in clusters and berries). The label could be the first check. But because they do not have to be unique is not enough. As a second step could be verified that the ReferenceConstant is listed by the property "nodes of control."(delede contrôle) reference ".

  [1] LV12 helps ControlReferenceConstant properties:

  http://zone.NI.com/reference/en-XX/help/371361J-01/lvscript/controlreferenceconstant_p/

  [2] get the variant name with:

  Select 'Type of Show' in the context menu of indicator varying or

  OpenG VI 'get name of data '.

  NIs in \Utility\VariantDataType\GetTypeInfo.vi VI

  [3] get the Refnum Type in the variant with

  NIs in \Utility\VariantDataType\GetRefnumInfo.vi VI

  If you look at using the property, you will see that it actually returns the data type of the node, not the actual control. That's way, you cannot use the reference in variant - it's not a real reference to a control.

  I think it's all just an oversight that no one added to the relevant property to the node, but there is a simpler solution for you that I think should work, that should come to him on the other side - for each control in the public Service, get the property [] of control reference nodes and it look for the reference of your node. If you found it, the node made reference to this control.

• ActiveX - Get a reference to the control

  Hi all

  I need raise a value change event in a VI ActiveX of LabVIEW interface.

  To do this, I think that I need to retrieve the reference to the control and then use the (signalling) Value property of this control.  Does anyone have any idea on how I could get the reference to a control through the ActiveX interface?

  Any other suggestions on how I can trigger a change of value programmatically event are certainly welcome.  I tried the 'SetControlValue' call function but that does not raise the value changes.

  Thank you

  Zach

  I don't know if I understand, but it looks like you are trying to control LabVIEW via its interface ActiveX from another program, such as C. In order to get the reference to a control so that you can access the value property (signs), you must first access reference front panel of the VI and then get the list commands (which is an array of references). You can walk through this table until you find the one you want, and then set the Value property (signs).

• Get the reference to object to new

  Hello

  I'm testing a few notions of running in parallel of the different tests in parallel on a single Instrument. The idea is to start multiple tests as sequence called for further discussions as in the ParallelExecution.seq example provided with the test bench. The wait later in the code function also has the option 'Specify by reference to the performance object', but I haven't figured out but how get this reference...

  Is there an easy way?

  See you soon

  Oli

  Oli,

  simple answer. When the configuration of the SequenceCall step to "New discussion", the "tool button" next to the right of the combobox control is enabled (sequence call Advanced Settings).

  Press the key.

  Norbert