Text Tool on Tab Control Bug?

I'm trying to create some free labels on a tab control with the text tool and I've found the postion of the text insertion point is off. When I click anywhere on the tab the text appears a few inches above the point that I clicked on. The tool is working fine off the tabs and when I go to select the previously written text with it that works too. I've noticed the insertion point jumps around and is often in a new place when I open a new VI and drop a tab control down. I have free text on tabs I created last week so I know it wasn't doing it then. Has anyone else seen this behaviour?
Using LabVIEW: 7.1.1, 8.5.1 & 2013
Solved!
Go to Solution.

Hi NIquist,
Your problem has been discussed in another thread and considered as Bug in LabVIEW 8.6 and reported as CAR. Have a nice day!
Sincerely,
Krisna Wisnu
Sincerely,
Krisna Wisnu

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Cursor Legend Tab Control BUG

Attached is a VI illustrating a bug with the Cursor Legend when graphs are in tab controls. If you enter in a number in the "Cursor X position to move to", then switch pages on the tab control, you'll notice the cursor has moved to the appropriate place, BUT the cursor legend has not changed to reflect that. Once you manually move it, it updates.
In short, if the cursor position changes programmatically, the cursor legend will update ONLY IF THE XY GRAPH IS VISIBLE, even though the cursor position DOES change.
I hope someone from NI will see this post and add it to the bug list (if not already there??). If anyone knows a work around, that would be appreciated also.
Michael
Using LV 8.2
Attachments:
CursorLegendTabControlBUG.vi ‏27 KB

Good idea. It doesn't work exactlly, but gave me the idea for how to work around. It appears even if you have a tab value change event doing the same thing the Cursor X Position numeric indicator value change event, the cursor legend X value will not change. You can even try entering the same value in the indicator and pressing return after switching tabs, the cursor legend will not update. It thinks for some reason it is on the correct index. I made a Tab Value change event that first moves the cursor to the next index, then moves the cursor back to the correct index. Ugly but works. Hopefully in the next ver of LV they will have fixed a lot of these cursor bugs; there is definitely some work to be done (i.e. fixing cursor X position for XY graphs, an extremelly annoying bug)
Michael
Message Edited by miguelc on 02-23-2007 03:49 PM
Message Edited by miguelc on 02-23-2007 03:50 PM
Attachments:
CursorLegendTabControlBUG_wrkaround.vi ‏34 KB

Tab control bug?

I have a problem with tab control which has been bugging me for a long time and i can't seem to solve it.
I have a tab control with 4 pages, A, B, C and D. All these pages are invisible at the beginning. Once the user selects the page from the custom run-time menu, the appropriate page then showns up (PageVis=True). Now, when i try a few more times switching between different pages, some pages showns up together with the intended page. Once i click the correct page's tab, the others disappear. Now this is a problem because when a user is using page A, i do not want he/she to be able to access other pages.
Can someone help me before i kill someone? Thanks.
Attachments:
tab.JPG ‏27 KB

The order of the property nodes is not defined because you have no dataflow between. Execution order is not defined by where a function is on the block diagram (left, right, top bottom), but how data is connected. You have no connections between the properties so they execute in parallel and you have no way of knowing which one will actually execute first. The simplest way to enforce dataflow is with the error in/error out connections. That is shown below. also shown is one way to select the active page. I used a local variable but if you make the tab control an indicator instead of the default control, just wire a value to the terminal itself.
Message Edited by Dennis Knutson on 07-26-2007 08:16 PM
Attachments:
Tab Control.PNG ‏13 KB

Background image tab control

i use labview 8.20
is it possible to add a background image to a tab control ?
i only see, that i can change the color. or change the background image from the complete background.
but i dont't want to make my tab control transparent, because then i can't see the registers (tabs with the text) of the tab control.
is there a solution ?

I do not believe that you can do it directly. You could add a picture control to each tab and place it behind the controls and indactors to achieve the same effect.
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Possible bug with Tab Control and Context Help?

I created Description and Tip text for each Tab of a tab control I am using on my front panel. I have a subVI that is called by selecting a menu item from my main front panel. The subVI's front panel also has a menu system and a Tab Control. I have Description and Tip text written for each of the tabs on the subVI's front panel.
When I enable context help from the menu of my main VI, the proper help text shows up for the tabs on the main vi and, when I bring up the subVI's front panel, for its tabs as well.
So far so good...
Now I builld the application and run it as an executable. For ALL of my panel tab descriptions, I get the tab's label in bold text, but no description (just a blank area).
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wired wrote:
I'm still seeing this behavior in LV8.2.1. Does anyone know if/when it was fixed? Also, my tip strips show up in the corner of the monitor when I mouse over a tab (in both the executable and the development version).
I see it still even in 8.5.
The Help part of the bug is still NOT fixeed by NI.
But I dont get the tool tip appearing in the corner of the monitor, it is showing up as usual.
- Partha
LabVIEW - Wires that catch bugs!

When I resize the font for the Page Labels on the tab control in LabVIEW 7, the Increment/Decrement size gets messed up. Is there a solution to this problem or is this a bug?

I have noticed in LabVIEW 7.0 and 7.1 that when the text in the page labels display is enlarged, that the arrows enlarge but the top arrow enlarges more then the small arrow but then when you decrease the text size, the arrows stay remain large. This is not a problem in 6.1 because the arrows aren't available. Is there a work around for this bug or do I have to use small text for these page label arrows to look right?

I must admit that I've never used the page labels display and it does look like a bug. You can fix it however. Select the tab control and choose Advanced>Customize. In the control editor, select the page label control and do the same thing. You should be in the control editor for the numeric control and then you can go to edit mode and enlarge the decrement arrow to make it the same size as the increment.

Bug Report (Tab Control)

A way to crash LabVIEW:
1. Open a new VI
2. Create a Tab Control on the front panel.
3. Select the second tab "Page 2".
4. With the text tool, clear the tab label completely.
5. Right-click the now empty tab, select "Add Page After."
Verified with LabVIEW 7.1 under Windows, with an old 7b43 beta under MacOS X and with 6.0 under Solaris. The Unix log is attached.
Harald Grundner
Attachments:
tabcrash.txt ‏2 KB

Hi
I tested it, and it crashes in 6.0, 6.1, 7.0 and 7.1 (all the versions I
tested it on)...
Regards,
Wiebe.
"Harald Grundner" wrote in message
news:[email protected]..
> A way to crash LabVIEW:
>
> 1. Open a new VI
> 2. Create a Tab Control on the front panel.
> 3. Select the second tab "Page 2".
> 4. With the text tool, clear the tab label completely.
> 5. Right-click the now empty tab, select "Add Page After."
>
> Verified with LabVIEW 7.1 under Windows, with an old 7b43 beta under
> MacOS X and with 6.0 under Solaris. The Unix log is attached.
>
> Harald Grundner

Tab Control Typedef Bug (LV 2014)

If you have a typedef'd tab control, and you rearrange the pages in the typedef, then apply the changes, on the instances of the typedef, only the labels will be rearranged, not the contents of the pages. Each control on the tab control will be on the same ordinal page as before.

Paul,
If you can post a simple example VI that shows this behavior I would be glad to take a look at to see what is going on and if this is a bug. If it is a bug I will make a Corrective Action Request (CAR) so that this can be fixed in future iterations of LabVIEW. The post I made earlier, that suggested this may not be a bug, referenced the help documentation for the Rearrange Pages Method. This document is linked below and states that the method is not available for Strict Type Definitions.
http://zone.ni.com/reference/en-XX/help/371361K-01/lvscript/tabcontrol_rearrange_pages/
This is the LabVIEW 2013 Help documentation and as I noted in my previous post, the remark on whether or not it is available with strict type definitions in LabVIEW 2014 help was absent. If you would be willing to post a VI that demonstrates this behavior I can try this on my computer using multiple versions of LabVIEW and ask a few colleagues to determine whether this is a bug.
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Professional Googler and Kudo Addict
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Bug? Tab control breaks graph autoscale (+workaround)

I had this really annoying problem where two of my graphs did autoscale and the other two didn't... Although all the code and graph properties were exactly the same.
I finally figured it out... The graphs are in a tab control. And only the graphs that are on top get autoscaling. Labview 'forgets' to autoscale the other graphs when you show those other tabs. Even when I use a property node, I can't force the graphs to autoscale, unless they are on the showing tab.
Feels like a bug to me.... I can understand that graphs aren't updated/autoscaled when they're not shown for performance reasons... but I think the axis should then be updated/autoscaled as soon as the corresponding tab is shown. And it certainly would be nice if the axis does autoscale when I explicitely ask for it using the property node...
Now that I understood the problem, I could also make a work-around. I made a 'value changed' event for the tab control, and put the property node autoscale code in it. That way, I ask for an autoscale right after showing the new tab page. (See attached vi for example of the problem and work-around.)
The workaround works fine... but I think that this should be default built-in behaviour for graphs in tabs that have the autoscale enabled.
Attachments:
tabcontrol autoscale.vi ‏32 KB

Hi Anthony,
This is a known issue that was partially fixed in LabVIEW 8, which you appear to be using. By partially, I mean that the behavior only persists when you update the value of your graph using a property node (either Value or Value Signaling). If you update the value using a direct wire connection to the graph terminal, or using a local variable, then the problem goes away. I would recommend using either of these methods, because they will fix your issue. Also, in general a direct wire connection or a local variable will greatly improve LabVIEW's efficiency in terms of updating the front panel. The only situation where this fails is if you need to update your graphs from inside a subVI using control references.
Because that last note is a very real situation, we will notify R&D of this matter so that they can investigate this further. Thanks for bringing this to our attention.
Jarrod S.
National Instruments

Tab control usiong tool bar

Hi!
In my application i want show different graphs using tab control.How can i control the page selection of tab cntrl. using different buttons that i put up on my tool bar.Is there any property to this op.?
Thanks
DeWalker
Solved!
Go to Solution.

Create a local variable of the tab control and wire a constant into it. Run this code when your button is pressed.
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- Cheers, Ed

Tab control text orientation

I can create a tab control and place the tabs on the right-side. When I do this the text is vertical. Can I make the tab text horizontal AND have the tabs on the right side?
Thanks,
Dan

Christian_M wrote:
Hey Dan,
I didn't find any settings to change the alignment for the text.
You could make the page text invisible and use customized stringcontrols which you set visible/invisible (when switching between pages) instead of the original labels.
hope this helps
Or another approach could use the "import Image" method to set the image to be the text you desire.
The following illustrates the effect and the code used to achieve that effect.
Note: There used to be a thread here on the forums that explained how to impor the images with reorting to doing programatically. I wonder if I just can't find the button to push to do it while editing. If you know about that old thread or know how to do this by editing please chime in!
Ben
Message Edited by Ben on 04-22-2009 07:55 AM
Ben Rayner
I am currently active on.. MainStream Preppers
Rayner's Ridge is under construction
Attachments:
Import_Image.PNG ‏527 KB

What controls the color of the cursor that selects text when you use the "Edit Document Text" tool?

Hi, I have had a student ask me a question I cannot answer: what controls the color of the cursor that selects text when you use the "Edit Document Text" tool?
I have only seen it appear as a black semicircle over each letter, but at a different computer in our training facility, this same tool appears as an aqua-green highlight.
Is it a preference I never noticed? Thanks for any info.

What version of Acrobat? What operating system?

Bug in Tab Control when inserted into SubPanel

Just would like to report about pretty old bug, which is still present in latest LabVIEW 2013 SP1 13.0.1f1.
I would like to insert SubVI with Tab Control into SubPanel, something like this:
When SubVI executed, then I will set it to Page 2:
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Page 2 is active, but selector is not actualized - still show me active Page 1. Fully inconsistent.
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Attachments:
main.llb ‏25 KB

mikeporter wrote:
But yet another problem with tab controls...
Seriously though, if you are already using a subpanel why complicate matters with a tab control?
Dynamically swap VIs in and out of the subpanels to present the same user experience as there was with the tabs.
You're right - there are many ways to workaround about this bug. For example, if I will use Property Node instead of terminal or local variable, then it will working properly.
This contstruction with tab control in subpanel used in my settings dialog. I have modular plugin architecture, and some plugins may have settings, so they organised in the same way as LabVIEW Options dialog - listbox with installed plugins and subpanel, where according subvi from plugin is inserted. Mostly all plugins fit into my dialog (which is not resizible at this moment), but some modules have lot of settings - then they splitted into groups and the tab control is used (NI does this with vertical scrollbar, which is also not perfect).
When user made changes in settings, then last opened page is saved - when this dialog opened next time, then user should see last page - this is why I need to set page programmatically.
Really, I don't like to change whole architecture for workarounding bug in LabVIEW just for few modules. At this moment I using property node and it works for me.

Final Cut Pro crashes as insert text and go to control tab

Hello All
I just installed Final Cut Studio 2.0. when i go on to insert a text and move into control tab to edit the text, the program crashes. have anyone had any problem like this before? and if yes how did you manage to fix it?
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Control Panel text tool options switched places

Hello there!
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It solved my problem! I kept trying to drag panels into their places, also checking preferences, workplace options and everything else.
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Text Tool on Tab Control Bug?

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