Show front panel in runtime

I want to show front panel in runtime( or when called) without all the
menus, tool bars and scroll bar, just as a ordinary control panel only
with window title.
any suggest will be appreciated.
Jacob
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[email protected] wrote:
> I want to show front panel in runtime( or when called) without all the
> menus, tool bars and scroll bar, just as a ordinary control panel only
> with window title.
>
> any suggest will be appreciated.
>
> Jacob
>
> Sent via Deja.com http://www.deja.com/
> Share what you know. Learn what you don't.
These are options you can setup using the Sub-VI Setup.
You can also access these through the VI Server.
If you look on NI's web site and get the Splash Screen VI
you can see how to do this.
I can't get to LAbview right now or I would be more specific.

Similar Messages

Show front panels of sub VIs when running a EXE (build application)

I've created a exe file and it works fine. However, it only shows the front panel of main VI and I can not open sub VIs (it looks like they are all hidden). I know it can be done by creating a library file along with this exe file, but that's not what I want. I want to create a single exe file that shows several front panels, and that can be run with run time engine. Is there any way to show front panels of sub VIs by running a exe file?

In the development mode, how are you displaying the front panels? Did you right click on the subVI and select SubVI Node Setup and choose 'Show Font Panel when called/Close afterwards if originallly closed' or did you choose the same options from VI Properties for each subVI. If the second, then the app builder will automatically retain the front panels of the subVI. If you chose the first option or if you are using VI Server to open a front panel, then the default setting in the app builder is to remove the front panels. You would then have to go the VI Setting tab in app builder and edit the settings.

Show front panel of subVI on a real-time target

Hi,
I'm running an application on a real-time target (14.00). On the main front panel of the application, I have a button who open another VI with the invoke node method but this component doesn't work with Real-Time taget. So, how can I show the front panel without this method ?
Thank you

Hint: RT = there should be no GUI.
RT applications are meant to just run off on their own. GUI is not part of a real RT system since that adds a non-deterministic process to the system, adding jitter (which is a big no-no in RT). What you should be doing is making a Windows host application that can communicate with the RT system (via Network Streams, TCP/IP, etc). The host application acts as the GUI/HMI.
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Show Front Panel form VGA output of CVS

I have built a stand-alone Real-Time Application on my CVS by following the method in ‘RT_Getting_Started.pdf’ file, and I think it is successful (because the ‘startup.rtexe’ file is already created in the startup folder in CVS). I was set the application file as a startup.
Is it possible to show a Front Panel of Real-Time Application (Startup program) from a VGA output of CVS without using any PC? I want to use only CVS and Monitor (from VGA output).

hello MFarid,
Thank you for your post.
It is only possible to show some images and counters on the VGA output of an CVS. You will need a graphical operating system (like windows) to present the complete front panel of your VI. There are complete panel PC's (like PPC 2015 and PPC 2115) which are complete PC's with a touch screen.
If you want to make a simple user interface (only some buttons to control the CSV and some simple data presenting) a touch panel (Windows CE device) can be used. Please be aware that you need a Labview touch panel module to deploy to this kind of device. The simple user interface can communicate throug shared variables with your Labview application on the CVI.
So I'm sorry to say that with only a monitor and a CVS it isn't possible.
Many greetings,
Martijn
Martijn S
Applications Engineer
NI Netherlands

Button Function Problem When Showing Front Panel of Sub VI

Good Afternoon,
I have a created a simplified version of a much more complicated vi to illustrate the problem I am having. Attached is a main vi and a sub vi. The main vi has a boolean which says to open or close the front panel of the sub-vi. This works great. However, the other push button ( " My Button Function" ) on the main vi does not work properly when the sub-vi front panel is being displayed. It is supposed to be a "switch until released" button. However, if you try to click and hold it down while the sub-vi panel is displayed it acts as if I am clicking the button rather than being able to hold it down? I was wondering why showing the sub-vi front panel makes this happen? And also, if anyone has any recommendations to fixing this problem?
Attachments:
main.vi ‏12 KB
sub.vi ‏5 KB

What is happening is the loop is running very fast. It is constantly reading the open SubVI button and opening the subVI if true, even if the subVI front panel is already open. If you are trying to hold down the other button, the opening of the subVI front panel is taking away the focus from the main VI and thus acting like you let up on the button.
Maintain the status of the subVI in a shift register and only open or close it if the status changes. See attached Main VI.
Attachments:
main.vi ‏12 KB

Programaticly (dynamicly) show front panel of a vi

I want to programaticly show the front panel of one of my sub VI's. I have one method that allows me to do this but I would like others input on wether this is a proper way or if there is a better method. I want to make sure that I am not going to gobble up memory.
The VI properties are set with the show panel on all unchecked.
The reason for doing this is because sometimes I want user input and other times input is provided dynamicly.
Attachments:
DynamicShow.vi ‏36 KB

Your code looks pretty good. The only thing to be careful of is reference numbers and loop. With a WHILE loop (like you are using in tis example) there would be no problem simply running the reference through the array.
However, if you every want to do something similar using a FOR loop you will need to be very careful because they have a fundamental difference. WHILE loops always execute at least once, so their outputs are always defined. FOR loops can execute zero times, and when they do their outputs are undefined--which in the case of a reference results in an invalid reference and lots of errors down stream from the loop.
Mike...
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Q:How to trim a VI's front panel at runtime?

The occupied front panel space can be obtained by calling
"GetPanelImage" via an invoke node. The resulting cluster "bounds"
describes the union of all front panel objects. The front panel can then
be resized to fit these bounds. The content of the front panel can be
repositioned by manipulating "FrontPanelWindow.Origin". This "...Origin"
points with an _unknown_ _offset_ (which varies with the FP´s layout) to
the upper left corner of the front panel content.
How to exactly calculate the origin from other front panel values?
Thanks,
TC

You can use a VI Server to position the front panel of your subVI. Look at the Ghost in the Machine.vi example that ships with LabView.
To see where to position the subVI, you need to know the position of the calling VI or of something on it. You could use a property node of the Get Details button.
1. On the front panel on Panel.vi, right-click on Get Details and select Create >> Property Node
2. Right-click on the Property Node and select Properties >> Position >> Left.
3. Point to the bottom edge of the property node and pull it down to add another element. That element should default to Top.
That will give you the coordinates of the Get Details button. Now use a VI server (based on Ghost in the Machine.vi) to place the subVI front panel the desired distance
from the Get Details button.

How to show the front panel when launching VI with Call by reference node??

Hello!
I just wonder how I make the front panel visible during execution when I launch the VI with CALL BY REFERENCE NODE.
Se example.
Could u also show me how to change different properties (window size ..) of the front panel??? (launched with CALL BY REFERENCE NODE)
Thank you!
Attachments:
test.vi ‏18 KB

In VI Properties>>Window Apperance>>Customize you can check "Show front panel when called". This will open the front panel on each call. It doesn't matter how the call was initiated.
You can set a lot of Front panel properties during runtime. Place a Property Node in the block diagram. Change the class from App to VI. Under properties select Front Panel window>>Panel bounds to set the position and size of the front panel.
Waldemar
Using 7.1.1, 8.5.1, 8.6.1, 2009 on XP and RT
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How does one empty an array during runtime with a front panel switch

I can 'empty array' from the front panel during runtime but I want to empty all arrays (20) from my vi with a front panel switch (see screenshot). I have used replace array subset and reshape array with no success. Any help would be appreciated
Attachments:
TempScan_screenshot.JPG ‏26 KB

Hmm... You can empty an array by reshaping it or by assigning a constant empty array - using local variables or properies of the original control (see attached example... hmmm... not the best one ). May be you can attach a part of your code to see what is better to do in the given case.
Attachments:
reset_table.vi ‏20 KB

How can i open front panel of a vi and run it

Hi
I have a vi that i call multiple times from another vi, however i want it to open the front panel on some calls and not on others. What is the best way to do this?
I have come up with a way and was wondering if this method was okay or is there another method that might work better escepcially since i am eventually going to create an application out of it and hope that no problems pop up then
Unititled 1 calls Untitled 2 where with one call it opens and runs Untitled 2 while with the other call it simply runs untitled 2.vi
What I did was i changed untitled 2.vi window appearance to dialog but i deselected the show front panel when called, so by simply calling the subvi form untitled 1 it works. Unititled 2 runs but does not open
Now with another call i want to open and run untitled 2.vi so by looking the attached vi you can see what i have done
Again if there is a better method that would make my vi's more efficient i would greatly appreciate it.
Reza Sed
Attachments:
Untitled 1.vi ‏24 KB
Untitled 2.vi ‏10 KB

What you did, in theory, is the correct way to do it. However, you should move the front panel open and close into Untitled2.vi and have a boolean input as to whether to show the front panel or not. This way, your calling code is cleaner, and you don't have to reproduce the code everytime you want to call the subVI and show the panel.
If you were to use Untitled2 in another project, then you woud have to go back and look how to implement the showing of the front panel in your other code. If later, you were to decide you want that VI to be maximized, then you make one change in the VI, and not in every place you ever call it showing the front panel.

Front Panel of select VI's pop up upon start-up

I have a main VI which organizes about 200 test cases(also VI's). However when I load the Main VI, about 50-60 of the front panels from different VI's load. I've checked most of the settings and can't figure this it out. Is there anything I'm missing. Someone suggested a VI Server...what's that? Is the only way to have the front panel load one at a time, to make the VI's load dynamically?

Let me see if I understand your problem correctly. Are you saying that when you load your main VI, but before you run it, the subVI's front panels are displayed? If that's the case, there's a couple of ways that this could be happening. First, in the VI that has the subVI, right click on the subVI and select SubVI Node Setup. Make sure that Open Front Panel When Loaded is not checked. Second, open the subVI itself and go to VI Properties>Window Appearance. If the Custom radio button is selected, click on the Customize button and see if Show Front Panel When Loaded is checked.

Open front panel of sub vi when called - how?

Hello,
I have a VI with several sub VIs.
I want some of the sub VI front panels to be opened, if they are not yet opened and if they are called but I want them to stay in the background.
There are two SubVI Node setups: "Open Front Panel when loaded" and "show front panel when called"
Both are not what I want. If I select "show front panel when called", then the front panels are opened but flickering because they are called often and alternately.
Greetings Johannes
Using LabVIEW 7.1 and 2009 recently
Solved!
Go to Solution.

johanneshoer wrote:
No, no issue with my code :-)
Yeah, we've heard that one before...
@smercurio_fc: With your example I can see if a subVI is opened or not, but how can I open the subVI during run time if it is not opened
Just call the method with it set to "write" (right-click and select "Change to Write"). I don't recall if LV 7.0 has a Front Panelpen method. Check the LabVIEW manual.

Sub vi front panel opens when main vi opens

When I open my main vi I have one of my sub vi front panels that opens. I looked in the properties for the sub vi and Show front panel when loaded is NOT checked. Is there something else I need to look at?
Solved!
Go to Solution.

please clarify;
Q1)
The sub-VI FP opens when
You open the top VI but BEFORE you run it
OR
The sub-VI FP opens after you start the top level VI
Q2)
If the above Q was after you run....
Is the sub-VI running or paused when it opens?
If it is puased you may have a breakpoint set in it.
Ben
Ben Rayner
I am currently active on.. MainStream Preppers
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VI front panel won't close when it's done executing, when this vi was called by reference.

I've created a simple vi set to demonstrate the issue I'm having. I'm dynamically launching sub vi's from a main application. Simply put the main application is my test exec and the subvi's I'm calling dynamically are different tests. In the example I'm posting here the test vi is called Electrical Test 1.vi. I've configured this Electrical Test 1.vi to show front panel when called and close afterwards if originally closed. Problem is it won't close the front.
Other things to keep in mind
I want to be able to launch the test vi and not wait till it's done.
I'm using LabVIEW 2012 SP1.
Solved!
Go to Solution.
Attachments:
vi_launcher - v5.zip ‏73 KB

Basically the close after call only matters if the VI is called as a subVI (just like if you open a VI yourself and run it, it doesn't close when it is done). The two ways around this are to either have your top lvl app close the VI when it is done, this is explained here:
http://digital.ni.com/public.nsf/allkb/987B2026B41BD39786256CF800032E8C
or to have your VI close itself when it is done. Use a This VI reference and the Front Panel:Close invoke node.
Hope this helps.

LV 8.5 opens all sub-VI front panels

Hello,
Recently I again saw a strange occurrance that has happened to me about 10-12 times over the past year. Here specifically I am using LV 8.5 with the cRIO and FPGA module. When I was running a new RT VI from the developer environment, (deploying to the cRIO) the result looked something like this:
All the sub-VI front panels are opened, and shown in their reserved or running state.
None of these VIs are set to show front panel when called or opened, but all are sub-VIs of the top level VI within the project. It seems to have replicated a "Find all VIs in memory, within the project" and then "Show front panel" Invoke. The troubling thing is that this is not really repeatable, when I have closed all the VIs and run the VI again, it is fine. I have seen the same behavior in LV 8.2, 8.21 as well as when deploying to cFP-2120 or when on a Host computer.
Has anyone else seen this or are there any ideas of what is going on?
Thanks,
Mello
Message Edited by Mellobuck on 12-11-2007 01:17 PM
Message Edited by Mellobuck on 12-11-2007 01:17 PM
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Attachments:
Multiple Windows.jpg ‏117 KB

Well now that I have seen to image, I recall having seen this myself.
Like you, it was when I was deploying to an RT target and I was not able to recreate this behaviour.
It was either an 8.0 or a 8.2 app.
So all I can do is confirm that you are not alone, but can not offer a solution.
Ben
Ben Rayner
I am currently active on.. MainStream Preppers
Rayner's Ridge is under construction

Show front panel in runtime

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