Multiple panels of the same vi

I want to run a VI multiple times at the same time (in parallel).
That works in principle (dynamicaly load and run it in reentrant mode).
But I never get multiple copies of the frontpanel of that VI.
I tried several things, but I saw only one frontpanel of all the instances I started.
How can I do that ??

To dynamically create VIs with front panels you need to clone the VI. VI cloning can be done in many different ways, but if you want to build an executable of the code the attached example works very nicely.
Just unzip the archive as it is and open and run main.vi in the llb file, then hit the new graph button to create clones of a VI displaying a graph of data controlled from main.vi.
In this case I clone the VI by making copies of a VI that is included together with the llb/executable (when distributed I normally remove the diagramme of the VI), and I share data using a VI global.
Another approach is to call a VI template instead of copying, and set the start value of the controls using VI server functionality, you can probably find more info about
that if you search for VI cloning or cloning front panels.
VI cloning is very useful even if the VI is not going to show a front panel; if you make a client-server solution and want each client session to be handled in parallel make a session handler, clone it for each connection and pass the connection handle to the clones by putting them in a list together with the name of the clone to handle that connection...The clone searches through the list, finds the connection and starts handling the commands from the client.
MTO
Attachments:
VICloning.zip ‏52 KB

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Opening multiple instances of the same vi

Hi,
I am having trouble opening multiple instances of the same vi.
This vi that I am trying to create can be used like a message display window to display numbers, strings etc (just like labVIEW's display message control except that this vi will update the displayed controls every scan). So for example, I will like to have a subvi, lets call it popup.vi, where I wire in three inputs from my main vi (2 strings and 1 number). Now in my main.vi I have 2 numeric controls Num1 and Num2 with their KeyFocus property nodes.
The intention is that when I select Num1 or Num2 numeric control with my mouse the KeyFocus boolean becomes true and the popup.vi logic kicks in. Meaning that the popup.vi runs and opens its front pane
l displaying the two strings and one numeric value from the main.vi.
The problem arises when I want to open and run multiple instances of the popup.vi.
So when I click on Num1 with my mouse I want the popup.vi to open its front panel with a set of strings and number displayed. At the same time I would want to click on Num2 control and open another instance of the popup.vi with another set of strings and numeric value.
Also, I saved the popup.vi as popup.vit but for some reason vi server will not open the popup.vit. I get a message that popup.vit is already in memory - cannot load.
I have attached a sample of the main.vi and popup.vi program.
Please let me know if you need further clarifications.
I appreciate your help in this matter.
Thanks
Nish
Attachments:
popupVI.zip ‏37 KB

You have to clone the VI. You say you have tried to use the .vit way of cloning...but in the example there is no use of VIT and the VI is called statically. If you want to open multiple instances of the same VI and the VI has a user interface (or needs to be a unique instance of the VI every time even though it's called the same place in the diagram, not the case here though) you need to do it dynamically, i.e. with an invoke node.
There is actually a problem doing just that, it causes a memory leak...but that won't be a problem unless the VI is called frequently / the software will be running over very long periods of time. You can see an example of it here (attached to my reply to the question):
http://exchange.ni.com/servlet/ProcessRequest?RHIVEID=101&
RPAGEID=135&HOID=506500000008000000A07D0000&UCATEGORY_0=_49_%24_6_&UCATEGORY_S=0&USEARCHCONTEXT_QUESTION_0=VI+cloning&USEARCHCONTEXT_QUESTION_S=0
About the memory leak problem:
http://exchange.ni.com/servlet/ProcessRequest?RHIVEID=101&RPAGEID=135&HOID=506500000008000000B7A40000&UCATEGORY_0=_49_%24_6_&UCATEGORY_S=0&USEARCHCONTEXT_QUESTION_0=VI+cloning&USEARCHCONTEXT_QUESTION_S=0
MTO

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Hey Everyone,
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Is there something I'm misunderstanding about Highlights?
Thanks for any help,
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This example shows some ways of playing with attributes and highlights:
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.text.*;
public class TextPaneAttributes extends JFrame
     JTextPane textPane;
     JScrollPane scrollPane;
     Highlighter.HighlightPainter cyanPainter;
     Highlighter.HighlightPainter redPainter;
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               textPane.getHighlighter().addHighlight( 35, 40, cyanPainter );
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          catch(BadLocationException ble) {}
          // Add some text
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          scrollPane = new JScrollPane( textPane );
          scrollPane.setPreferredSize( new Dimension( 200, 200 ) );
//          scrollPane.setComponentOrientation(ComponentOrientation.RIGHT_TO_LEFT);
          getContentPane().add( scrollPane );
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Call and Execute Multiple Windows of the same VI

Hi,
I would like to call and execute multiple windows of the same VI.
Please take a look for my attached vi, and start from the 2x2.vi, i think you have to re-enter the file path to run (sorry for inconvenience).
If I click the start button in different sub panels, the sub vi(Temperature Analysis.vi..& etc) should be called out in multiple windows, hold it, and run simultaneously.
But now the problem is, the sub vi is called out 1 by 1 until it is finished prior the second sub vi is called.
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Attachments:
My VI.zip ‏173 KB

Hello TanTan
1. Open the PopUpmain.vi and select the path of PopUp.vi
2. Enter the number of popups and run the VI.
Hope this attached VI will work as per your expection. Please select the less number of instances
Kudos are always welcome if you got solution to some extent.
I need my difficulties because they are necessary to enjoy my success.
--Ranjeet
Attachments:
PopUpMain.vi ‏12 KB
PopUp.vi ‏8 KB

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http://docs.info.apple.com/article.html?artnum=93195

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