GetTimerTickData() vs Timer() performance
Hello everyone, i'm doing some optimisation in my code and i saw that Timer() use a lot of resource in my profiler. i have thried, where possible, to use GetTimerTickData() instead, and it's seem...
View ArticleSelfCalibrateAllDevices.prj in examples does not compile in LabWindows 2017
SelfCalibrateAllDevices.prj in examples does not compile in LabWindows 2017; gives link errors.Works just fine in LabWindows 2015Can anybody comment?
View ArticleConnect dual screens to NI PXIe-1085
Hi allIs it possible to connect dual screens to NI PXIe-1085.The PXIe-1085 has one display port(DP). Thanks
View ArticleOpenComConfig returns an error even though Device manager lists the COM port
Hi, I have a weird problem.I have many applications that use COM port. I use either FTDI Usb to Serial, or STM32 Virtual COM port. I have used both successfully for a long time, suddenly COM port...
View ArticleHow can i use code created in labwindows in labview
Hello, My question is: Could I use code that I develop in LabWindows in labview, in vi form or similar something. I 'm absolutely new in labwindows. Thanks
View ArticleCan I ConvertLabWindows/CVI Program Into LabVIEW VIs?
Hello, Is it possible to convert LabWindows/CVI directly into a format that can be used in LabVIEW VIS? I already known that the opossite it's not possible, because there is an article for that...
View ArticleDAQmxReadDigitalLines never finishes despite reading all required samples
I am usingDAQmxReadDigitalLines (taskHandle, -1, 2.0, DAQmx_Val_GroupByChannel, laneSamples, SAMPLES_TO_READ, &samplesRead, &bytesPerChannel, 0)following a small delay, samplesRead is equal to...
View ArticleConverting a LabView driver to a DLL then calling that DLL from CVI
Anyone out there have LabVIEW and would be willing to click a button to convert a vendor instrument drive to a CVI DLL for me? I see that NI makes an exporter for just this task, but the requirements...
View Articlelink errors
When trying to build my project, I get the following link errors:error: Undefined symbol '_read_232@8' referenced in "*.obj"error: Undefined symbol '_write_232@8' referenced in "*.obj" How can I fix...
View ArticleGet DB_VARWCHAR value from DB
Hi,I'm trying to get a "DB_VARWCHAR" value type from a column of a table into a DB.I have used the function "DBBindColChar" but without success: it replaces always the existing chars (unicode) with a...
View ArticleTerminate a thread
Is there no way to terminate a thread from the main thread?If main thread schedules a thread from pool, can the main thread take action to terminate the second thread? The function...
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Undefined Symbol Error after changing an exported function name
Hi All,I'm developing a dll for external application.After changing some function's name, I received a linker error, "undefined symbol "_funcNewName" referenced in "pathToObjFile\*.obj" ".I've rebuild...
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CVI is still unable to read/search files with lines longer than 102x characters
When including a third party source code file in my project I encounter the following problem: Seven years ago I filed a product suggestion to improve this editor line length limit, but the...
View ArticleUnrecoverable Internal Error on launch
Hello all,just trying to open an oldish (cvi2013) project with cvi2015 and it crashes without even showing the cvi window with: "unrecoverable internal error at 0023:10AFC318. LabWindows/CVI will be...
View ArticleDisplay application in the front
I have a cvi2015-application A1. From this application I start another one (A2) with LaunchExecutable. A2 is displayed over A1. If I minimize A1, I only see A2. Now I stop A2 (QuitUserInterface())....
View Articlearray initialize
Hi, I am helping in troubleshoot a software issue (developed in LabWindows/CVI 2015), and one thing I have noticing and find weird is that the software code initializes the array by assigning an empty...
View ArticleNew Update Service available
For anyone interested, a new version (17.0) of the NI update service is available. For some reason the previous one does not inform about it.(unfortunately the new one still does not support serial...
View ArticlePrecedence of Callback Functions
Hello all,I have 2 observations about this: http://zone.ni.com/reference/en-XX/help/370051AC-01/cvi/uiref/cviprecedence_of_callback_functions/First, how come the chained callbacks are not represented ?...
View Articlecvi TestStand
i use cvi for execute a seqFile but after i exite the application i get a warning message : "References to PropertyObjects were not released properly, but a list is not available. "i close the sequence...
View Articledocumentation feedback gone
Hello NI,I remember that once there was a dedicated online form for feedback on the help but it seems to be gone.I am missing this feature because once in a while I stumble across some typos, missing...
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