Call the function in LabView from a DLL, and then access the global variable of DLL

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• How to get the value of the global variable to test in the user interface of labview?

  Hello.

  Can someone please share examples and tell me how access the global variable to test using the interface labview user.

  I found some references and obtained from the method.

  I sent the link below

  https://decibel.NI.com/content/docs/doc-5501

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  Looking to download a track from cc App and then install it on the personal computer for offline use. Is this possible?

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• I had a file disappear from creative cloud and then the name get reassigned to another file.

  I had a file disappear from creative cloud and then the name get reassigned to another file.  How to recover the missing file?

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• static reference with the global variable

  Hi, I used a static reference to a Subvi where I change a global variable before (3-4 years ago) and do not remember how I did it.

  It was something like these attachments, but now I'm using LabView 2013 instead of LV 8.6.

  The change in the overall operating system sees only not in the main vi (looks like the invoke node run vi does not work with globals).

  In addition the vi close with the invoke node close vi but not if I put the custom in the Subvi properties to automatically close.

  dkfire wrote:

  Why not call the sub vi as usual, just with the setting to display the front panel, when it is called?

  Use the connector pane to transfer the value of the sub vi Ok button when done.

  That's what I recommend.  If this is not possible for some reason, then you will need to use a flat Structure of the sequence to force the reading of the global variable after the Subvi is complete.

• I downloaded an application from my iphone and then deleted. Now when I open AppStore I purchased apps and its still there. How can I remove it from there though even I have no more app?

  I downloaded an application from my iphone and then deleted. Now when I open AppStore I purchased apps and its still there. How can I remove it from there even if I have no more app?

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• How to use the global variable in the table target?

  Hello

  I am trying to load several files into a single interface. the data is loaded successfully. 92. the files are there. for this I used variables and package.

  My requrement is 92 files of data loaded into the target table. I want to know what data from file.

  to this I added a column (filename) to the existing target table.

  If I used joints (not same condition), its totally wrong. all file names are coming.

  Please see the following screenshots.

  

  exit; target table.

  

  in fact in the target table. first 10 lines are coming from file.i.e first _ACCOUNT_LIMIT_511.TXT. but all the files names are coming.

  I'm confuse. After the first data file inserted then insert second data file. in that all file names are coming. Please help me.

  I thought that the global variable is preferable to identify the data came from which file.

  to do this, the global variable is used in the target table. I don't always have my exit.

  Please help me.

  Thanks in advance.

  

  Hello

  You can use the same way, how you use the project variable, just you have to do a thin is #GLOBAL.variable_name for example: #GLOBAL. SMART_AL_FILE_NAME_S

  Note: Make sure you that while you use one variable overall in interface, indicator should be staged as you chose above the screen

  hope this helps you

  Kind regards

  Phanikanth

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• Dynamic read the global variable (cluster)

  Hello!

  I would like to lika to read each control (label and value) in my global variable that contains a cluster. The problem is that I am doing it on a cDAQ and insofar as I undestand and has seen property th node do not have good worl on a real-time target. The code that I've tested so far is as follows:

  

  It's the main/fornpanel on my cDAQ. The Subvi in the main code contains the following:

  

  The phenonomen I've seen against hepatitis a is that it works very well maybe the first and second time when I run cod drank for the third time that the labels are empty. I read something that the dose of propertynode does not correctly for real-time target, but it is a way to come to the same solution using only not not the propertynode or you could use the different propertynode?

  Best regards

  Anton

  I solved it by using a library (Cluster Toolkit of Autotestware) to the GE in variant tables and depending on the type, I converted the variant accordingly and saved.  I guess that CVT would be able to do, but since I already use the cluster and they are "already here" it was more convinient for me to use this solution.

• How to pass the global variable...

  Hello
  
  I have a report in a page and form in another page...
  
  If I clicked on the icon change in the report page it navigates to the form in another page...
  
  In this im report have "bill_amount" as one of the column, if I clicked on the icon change report page means, it will go to the form in another page...
  
  This form consist of one text field which is "bill_amount"...
  
  Since the report that I bill_amount for each entry, if I clicked on the icon change the means of the respective row, it does not appear automatically the respective bill_amount in the text in the form field...
  
  I created a report separately on the sql_query table... I created a form with a single field 'bill_amount '...
  
  Given that I na not create a report and a form based on the table... If I have created as it means if I clicked on the icon change it will show the datas respective in the form... since I created a report and form separately...
  
  If it is possible to create a global variable... who will bring the value of the "invoice amount" in the relationship and you will go the respective value in the form field on the next page...
  
  I don't want to put the value in the form field by restricting by request... She must take through the global variable...
  
  How can I reach it...
  
  It is urgent...
  
  concerning
  Mini

  Hello

  In her edit link column u give, the respective form field name, and the name of the column in the report inside...

  So that the value in the report of the corresponding column will be inserted into the corresponding field in the form...

  (IE) like this

  > p1_item_name---> #corresponding report name column #.

  Concerning
  GTA...

• How can I get a picture back to labview from opencv dll code?

  Hi, I use the vi below to acquire an image of labview, then move to opencv dll code via, first getting pointer to image pixel and then passing the result parameters to create a "carpet" in my c code ++. Up to this point, everything works. Now I make opencv image treatment final resultiing I want to bring back to LabView. That I can't understand it. (btw, the image is a binary image). How can we get this image? Help, please

  P.S. actually what I get image3 is the same image I captured of LV

  

  Hello

  a simple example:

  OpenCV code:

  
  using namespace std;
  
  use of names cv;
  extern C
  
  extern "C" {}
  __declspec (dllexport) int CannyEdges (unsigned char * imageIN, int line, int cols, double lobbyist1, double Seuil2, kernel_size int, unsigned char * imageOUT);
  
  }
  __declspec (dllexport) int CannyEdges (unsigned char * imageIN,)
  
  				     int lines,
  
  				     int cols,
  
  				     statement1 double,
  
  				     Seuil2 double,
  
  				     int kernel_size,
  
     				     unsigned char * imageOUT)
  
  {
  
  	check the size of the odd kernel
  
  	If (kernel_size % 2 == 0) return-1;
  
  	allocate memory
  
  	Matt Image_input (rows, columns, CV_8U, & imageIN [0]); IT IS THE IMAGE, THE POINTER TO THE DATA ENTRY
  
  	Matt Image_output (rows, columns, CV_8U, & imageOUT [0]); THIS IS THE OUTPUT IMAGE, POINTER TO DATA
  
  	blur before ruse
  
  	Blur (image_input, image_output, Size (3,3));
  
  	Canny
  
  	Canny (image_output, image_output, lobbyist1, Seuil2, kernel_size);
  
  	return 0;
  
  }

  You can use directly on the "imageIN" by eliminating the image_output and replace them with the image_input.

  LabVIEW code:

  

  I enclose the Labview code (2013) and the file .dll for you to test.

  I hope this helps.

  Kind regards

  K

• Download pictures from a url, and then rename the images

  Hey guys,.

  I just discovered the power of Applescript, which is pretty amazing to see what you could do with it.  I have, I learn a lot, but still need your help.

  I need an applescript script that upload photos from a url and rename them with a new name.  (see attached photo)

  I found something like that on Windows, excel script, but I need something like this for Mac.

  Thanks in advance for your time!

  

  The following AppleScript will download the file and rename it with a single command. If the download is completed, a dialog box displays the new file name and report success. The example download and rename displayed image.

  game urlPath to 'https://discussions.apple.com/servlet/JiveServlet/showImage/2-30384132-729230/Un title - 1.jpg.

  set newname to POSIX path of ((path to the Office) as text) & "foo.jpg".

  set state to (the shell script "curl s o", newname, space & quoted form of urlPath)

  If the status is "" then

  display the dialog box "File:" & newname & return & "File uploaded successfully." "."

  on the other

  Display alert "The specified URL image download failed." giving after 10

  end if

  return

• To access the Global Variables in the functions/methods

  Which of the following statements is better in terms of performance and efficiency?

  public var a: int = 0;

  
  

  public void add (): void {}

  a += 5;
  

  }

  Addition();

  OR

  public var a: int = 0;

  public void Addition(b:int):int {}
  b += 5;
  Back to b;
  }

  a = (a) Addition;
  
  I saw a lot of guides discourages the use of global variables in the functions/methods, but I just don't understand why anyone would create a copy of the variable, modify this copy and to grant this value to another variable and throw.

  You must create an instance to pass to your function.  the parameter (for example, mov) does not create a separate instance and creates only a temporary pointer to the passed object.

  If an instance is prepared for gc, having spent this instance to any number of methods (as a parameter) delay / will not interfere with ca.

  and Yes.

  MOV ['x'] = mov.x,

  MOV ["rotation"] = MOV.rotation,

  MOV [anypropertystring] = MC.anyproperty

  Flash uses array notation to solve strings into objects:

  var var1:ClassType = new ClassType();

  This ['var1'] = this.var1

• How do remove you audio from a video and then use an audio of a different video to put in the first video?

  I have a video with good quality video but audio very bad, but I have another video of the episode even with the bad video but the sound quality. How can I remove the audio good video bad and replace it in the latest version of Windows movie maker on Windows 7 with audio video bad?

  Basically, you need to capture the sound quality to a separate mp3 file outside the filmmaker and then delete the wrong audio track and the good idea of layering.

  According to the source, this could be as simple as recording audio reading even if you end up with poor quality than the one you want to replace. If a file, it is possible to upload a video to mp3 converter.

• formula with the global variable node

  Hello

  I'm tring using node formula with global variables as an entry and exit.

  but this is where I see the SW hangs forever.

  Either way, I am a novice to the labview.

  Can some give me advice why this is happening?

  Thank you in advance,

  Do

  As smercurio mentioned, if you described what you wanted to do, we could show you things that can be done using LabVIEW.

  For example, loops For may not be not necessary if you are trying to extract or manipulate data in tables.

  It is good that you have a job, but it would be better to learn the power behind LabVIEW.  Who knows, you can actually walk away from C code...