PlotStripChart with continuous sampling DAQmx and multiple channels
I have modified the DAQmx sample code sychAI-AO.cws slightly to offer more output wavforms. I can read simultaneously on one channel no problem. Then when I try two channels I read in an array of N...
View ArticleCreate dll for use in Labview
Hi guys, Basically I have got the library file (.c & .h) which the main.c. will be using. How can i create a dll file from Labwindows 2013 that can be use in Labview? Thanks.
View Articlechanging default value of Numeric box permanently
i want to change default value of my numeric control permanently when changed by the user , for example my numeric control is displaying 44.555 when my user interface starts. As 44.555 is default...
View ArticleLabWindows training courses
If this (rather commercial) post is innapropriate for the forum, just let me know and delete it, I'll understand. This being said, 2 weeks ago I gave CVI training courses to a bunch of engineers. Yeah,...
View ArticleDisplayImageFile() does not change dimensions of picture control
Hi I'm setting image of a picture control with DisplayImageFile() + setting the control attribute ATTR_FIT_MODE=VAL_SIZE_TO_IMAGE. The image size is bigger then the control size and I want the control...
View ArticleBlowfish encryption implementation
Managed to encrypt/decrypt strings using the rather succint blowfish algorythm but have an issue that for whatever reason cannot overcome and understand.The encryption algorithm uses 64 bit blocks, in...
View ArticleTDMS_DefragmentFile blocks some PC's
HelloI've a problem with the TDMS_DefragmentFile function.If I use this function then the windows 7 pc blocks while the function is running.This problem is not on all windows 7 pc's on some pc's it...
View Articleevent for menu closing?
Is there a way I can detect when a user closes a menu or menu popup? I would like to shut down other timers in a single-threaded app when the user opens a menu. But then I need to know when to...
View ArticleSMS over wifi?
Is it possible to send SMS messages to mobile phone over WIFI (not through a modem) using LabWindows? Thanks, Peter
View ArticleHow to program counter using and external trigger?
I'm using a USB-6221. I want to count TTL pulses coming from an external device. I want to start/stop counting using an external signal (trigger?). The following function statements seem logical to me,...
View ArticleInstall 2 variants of the same prog
Hello all,I have a project B, branched from a project A. They are both with ongoing development. Both in different directories, all code duplicated in each directories (and verified that there isn't...
View ArticleRequest SQL contains keyword "LIKE"
Hi, I want to select 'Id' from 'table' where chaine begins with 'BR' the request is like this : SELECT Id FROM table WHERE chaine LIKE 'BR%', it works when i run it in MS Access but when i include it...
View ArticleUser Account Problem for accessing my application
I wrote a program using lab window/cvi 5.5 and installed in window 7 pc using admin account and its working fine while I am going to switch user and working in other user account its asking admin...
View ArticleviWrite sends incorrect data
I have a test set application written using LabWindows 2013 SP1 that sends data over a USB connection to a radar system. The application sends data using viWrite to a serial port connection on a radar...
View ArticleHelp on shared libraries from Labview to Labwindows
Hello, My problem is: I have a spectrometer HR 4000 from Ocean Optics. I want to control it from labwindows and, from that, integrate it to other labwindows program.I have .vi from NI to control the...
View ArticleServerTCPRead timeout error
Hello, Currently I am facing ServerTCPRead timeout error but the handle between Server and Client is positive . Once the time out exist I need to disconnect my client and connect . Is any...
View Articleproblème avec CmtGetLock
Bonjour, Je rencontre un problème dans mon application finale qui est integrée sous teststand. J'utilise actuellement CVI 2013. Mon IHM comportent des boutons qui font appellent à des callbacks. En...
View ArticleWordreport Class Not Register
I am using Wordreport.fp and Excelreport.fp out of the CVI2013\tooslib\activex directory. When I run my application on the target machine I get an error "Wordreport Class Not Register". So that means...
View Articleout of bound indicator controls
HiI need a control which indicate the value range need to within 2 ~ 5V for example. I needone (or two) controls to indicate it either out of upper bound or low bound, which controlsshall I use? (And I...
View Articlewrite to excel file
hello, i'm a begginer in Labwindows CVI so excuse me for the poor code. i've noticed there are a lot of answers for writing to excel file but my problem is not similar.i read numbers from a sensor into...
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