Tab control strict typedef hides controls

"Has the issue of no typedef tabs been resolved in LV7? I am modifying a LV61 vi and severely broke the panel trying to convert a tab to a typedef. I was able to customize, however there was a compile/save error and all the embedded controls on the tab pages became hidden and un retrievable."
Jim Henderson"

I just add one control into this table, then immediately turn this typedef into error.
My question is why can not add any control into the table?
Attachments:
tab61.ctl ‏5 KB

Similar Messages

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    Hey everyone,
    I inherited a project that uses stacked strict typedefs for the front panel, and I need to programmatically change one control, and it is within an event.  However, the control is a strict typedef in a strict typedef, and Control Valueet [Variant] has no effect on the specific control.  I have gotten the method to work in small test vi's without typedefs, so I'm pretty sure that is the problem.
    The only thing I can think of is that there is a unique way of referencing the control name through typedefs, and I don't know it.
    Any ideas?
    Thanks in advance,
    Jeff
    =============
    XP SP2, LV 8.2
    CLAD

    Lynn,
    Thanks for the reply.  It turns out that to programmatically Control Valueet [Variant] bundled controls, you can only pass in the top level bundle control name.  It took some tricky placement around my structures, but I eventually unbundled and bundled by name from the top level down to the bottom and back up to make it work.
    Thanks again
     - Jeff
    =============
    XP SP2, LV 8.2
    CLAD

  • Item names in a strictly typed ring control do not update.

    I have a custom control (strict typedef) that contains one ring control. When I added item names to the strict type def, they do not get updated on the instances where I am using it.
    S G
    Certified LabVIEW Architect, Certified TestStand Developer, Certified Professional Instructor

    Thanks for your response. However, I found the following sentence in the link LabVIEW custom controls ...
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    S G
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    Thoric (CLA, CLED, CTD and LabVIEW Champion)
    Solved!
    Go to Solution.

    Here we go...
    You have to create a new Control VI and then specify the VI Type as Typedef.
    Regards,
    Da Helmut
    Attachments:
    example.vi ‏22 KB

  • Coloring a strictly typedefd FP control crashes LV (Linux)

    I thought something that macroscopic would just qualify for a CAR, but my local AE replied "post on forum". Well, here it is. Anyone else sees it, or is it just me?
    Support Question
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    Operating System: Ubuntu 14.04 (ok, not officially supported, but)

    While this does not explain the crash, it does tell you that you cannot do that. From the LV help:
    Strict Type Definitions
    A strict type definition forces everything about an instance to be identical to the strict type definition, except the caption, label, description, tip strip, and default value. As with type definitions, the data type of a strict type definition remains the same everywhere you use the strict type definition. Strict type definitions also define other values, such as range checking on numeric controls and the item names in ring controls. The only VI Server properties available for strict type definitions are those that affect the appearance of the control or indicator, such as Visible, Disabled, Key Focus, Blinking, Position, and Bounds."
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    On certain web sites(with java applets embedded or rich content),sometimes browser hotkeys are beeing used with other functionality (eg.: youtube uses ctrl + tab for sliding between player controls).How can I prevent this ?

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  • Can strictly type refnum control do type coercion?

    Hi all,
    Can strictly type refnum control do type coercion? NI says yes:
    A control refnum terminal that is strictly typed can only accept control references that are strictly typed to a compatible type. For example, if a subVI expects a control refnum of type Slide(Int32), you can wire a control reference of type Slide(Int32), Slide(Int8), or Slide(DBL), but not of type Slide(Cluster of DBLs). Wiring in the Slide(Int8) or Slide(DBL) will result in type coercion (no error) and thus a coercion dot as these representations are being coerced to Int32. Wiring the Slide(Cluster of DBLs) will result in a type conflict (error) and thus a broken wire. This is because the Int8 and DBL are numerics like the Int32 and can thus be coerced to be of Int32 representation. The Cluster of DBLs however, is not a numeric, but a totally different data type. Therefore, a cluster being of different data type than the numeric will result in a type conflict if wired together. Strictly typed references are most beneficial when you know exactly what type of data you will be using.
    http://zone.ni.com/devzone/cda/tut/p/id/3159
    I have seen this help file for long time, and been confused by it for long time. I don't think strictly type refnum control can do type coercion. If I put a U8 Enum refnum control on subvi's front panel, I can't connect it with a U16 Enum refnum control.
    I don't know if I am right. 

    What is an "enum refum control"? Can you attach a small VI containing the various controls?
    steady wrote:
    Besides, I don't know what Slide(Cluster of DBLs) is. I can't generate such data type.
    A slide control with multiple sliders is a cluster datatype. One cluster element per slider.
    Just place a slide, right-click it...add slider. Voila!
    LabVIEW Champion . Do more with less code and in less time .

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  • The unit string stays editable for numerics in a non strict typedef

    The change is not effective as the typedef instance keeps its defined units but may displays wrong unit string.
    This is not the expected behavior to change for example m to m/s as the units are part of the type definition.
    It is expected to be able to change meters to feet since it affects only the displayed number and it is not a change in physical dimensions.
    LabVIEW, C'est LabVIEW

    It seems that if you change the base unit, everything goes awry.  The control has the new units, but the unit label is never updated.  This is definitely a bug.  I think the bug stems from the fact of the desired behavior when you don't change the base unit (i.e. change m/s to km/s).  The non-strict typedef keeps the unit label at m/s and everything works as it should.  Based on what NI does for other control components for type defs, I expect this is desired behavior.  The problem is that the user can change m/s to m in the typedef which is incompatible with the m/s unit label and therefore needs to be forced to update the unit string.
    With a typedef, you cannot change the base unit using the unit label (take a good VI with both set to m/s, and try to change the type def instance of the control to m.  LabVIEW will allow the change, but the VI will not break because LabVIEW really didn't change the units. This may be constituted as a second bug or part of the same bug.
    NOTE:  Non strict typedef units are m/s.  Instance Unit Label changed to m.  VI did not break and runs as if the units are m/s.
    Perhaps the desired behavior is to break the VI when the instance of the typedef doesn't have compatible units with the typedef.  That would cause the VIs to break when a typedef is updated.  So, maybe in addition, the typedef needs to force a unit label update if the old and new units are not compatible.
    Message Edited by Matthew Kelton on 03-24-2009 12:02 PM
    Attachments:
    typedef unit mismatch.png ‏14 KB

  • Why can't I create property nodes for item in STRICT typedef cluster?

    I've tried this in LV7.0/WIN2k and LV 7.1/OSX - both versions work the same.
    I have a TYPEDEF consisting of a cluster of items A, B, and C.
    I have a front-panel instance of this typedef.
    Under certain conditions, I want to disable and gray Item C, because it's not applicable.
    So I need a property node connected to item C.
    If the typedef is STRICT, then I cannot create such a property node - the menu item to create anything is just not there.
    If I change to NON-STRICT, then I can create the property node.
    I can change it back to STRICT, and the property node works just fine.
    The question is, if the nodes WORK normally, why can I not CREATE one?
    If there's some sense behind this, someone please point it out to me...
    Steve Bird
    Culverson Software - Elegant software that is a pleasure to use.
    Culverson.com
    Blog for (mostly LabVIEW) programmers: Tips And Tricks

    I agree with you, It would be nice to be able to keep the non strict typedef auto-update and extend it to properities which effect the look of a control. I am not sure why you can change the properities on a strict typedef. A strict typedef should have private properities (can only be changed from within the definition and no public other vi scope for writing these values. I have in the past used a custom control for presentation purposes and contained the structure of the data to be displayed within the typedef cluster. This is not all that automatic since we need vi's to convert between the definition and control. Seperating data structure from presentation is much like XML where the file only contains data structure and a reference to a style for presentation. It would be a very nice option to allow nonstrict typedefs to have an additional auto-update properities which could be toggled on and off. I would be curious to here others opinions on how to keep data structure and presentation consistant across an application without being tied down to a strict typedef (allowing the optional change of teh presentation at runtime).
    Paul
    Paul Falkenstein
    Coleman Technologies Inc.
    CLA, CPI, AIA-Vision
    Labview 4.0- 2013, RT, Vision, FPGA

  • TestStand should realize Labview TypeDef / Strict TypeDefs

    So, I really like Labview's new product idea page.  In the same vein I want to request this feature for TestStand:
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    Load Sequence
    *Broken since the TypeDef changed*
    Create new container for the changed TypeDef
    Change TestStand variable linked to old container(old TypeDef) to the new container
    Delete old container
    Rename new container to the 'old container name'
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    Best regards,
    Brian (Daniel) Kincaid

    Hey Brian,
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    Derrick S.
    Product Manager
    NI DIAdem
    National Instruments

  • Why this coercion dot on array indicator from strict typedef?

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    I created a trivial 3 element array of doubles, and created an indicator by right clicking on it in the block diagram. That's the "CreateIndicator" control.
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    Solved!
    Go to Solution.
    Attachments:
    CoercionMystery.vi ‏9 KB
    CustomizedStrictTypedef.ctl ‏6 KB

    cebailey wrote:
    Thanks, Ben!
    Seems weird that this would be considered a coercion. Why do they do it this way?
    Q1)
    What is the falicy? Is it that you should avoid coercion dots because they force copies, and yet in this case there is no copying involved so the avoidance advice is incorrect?
    Q2)
    Also, different question, why is Customize Control grayed out in the front panel Edit menu, as long as another control customization panel remains open from the previous use?
    Q3)
    Finally, how did I miss this after all this time? Well, you probably don't know how I missed it. Actually, if you do know, it might be better to leave it unsaid anyway....
    Q1 Correct!
    Q2 Not being NI R&D I can only speculate that is was an expediant move to shut-down that functionality. It used to be possible to customize part of a control while customizing a control back in about LV 6. They shut it down making it more painful to do the edits within edits (you can save a control in one edit and then use "replace" to select it while editing the first)
    Q3 I will leave taht question as an exercise for the reader.
    take care,
    Ben
    Ben Rayner
    I am currently active on.. MainStream Preppers
    Rayner's Ridge is under construction

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