Unable to lock memory chunk, unable to allocate memory

I am running a simple program in my PDA using Labview, the PDA has 95 % of memory free on both, storage and program memory. This .exe is only 524k and I am reading a .wav file of 56k. I am gettin errors as: Unable to allocate memory or unable to lock memory chunk. Whay is that?, all my memory is

logging / error management

I am looking for information on two frequent programming topics: * logging (on file, screen, with data, messages, errors...) * error management (how to filter, how to structure error info, how to deal with it automatically...) Do you have personal habits, advices, tools, principles... or know

More serial comms [W]

Thinking of Craig's earlier serial problem, I thought I might share a problem I had with using LV with a VISA serial communications setup on Win2K and XP. If you set the serial port settings using VISA Configure Serial Port.vi to whatever baud rate, parity, flow control etc. that you want,

Unable to access labview general zone from NI's website

Hello, can anyone else access it? What's the best alternative to it? I use google group but it seems not all the posts are updated at comp.lang.labview . Thanks, Joe

RE: simultaneous input output

Stephan, I had a quite similar problem some time ago - it was discussed in this list.. The best solution turned out using hardware synchronization of digital/DAC output to trigger line of ADC is an easiest way.. However, the major question is- how much time is actually allowed between

Re: Agilent 5973 GC

Dave, I am not aware of any LabVIEW driver for the Agilent 5973 GC. We are currently developing a driver for the Agilent 3000 micro GC. Do you have any details about the communication protocol for the 5973? I can't find any documentation on Agilent's site. I'd be interested in seeing how closely

logging / error management

I am looking for information on two frequent programming topics: * logging (on file, screen, with data, messages, errors...) * error management (how to filter, how to structure error info, how to deal with it automatically...) Do you have personal habits, advices, tools, principles... or know

simultaneous input output

Hi, I try to create analog output signals (sine waveform or somthing like that) using the NI PCI-6731. At the same time I want to read two or more analog signals from the NI PCI-6036E. When I start my Programm it first produces the output signal and after that it begins to read from the

Floating Object Error (W)

Hi all, I just experienced an odd LV error message. I was trying to wire the output from a decrement function onto a FOR loop count terminal. The decrement was wired to a numeric control. The error message says: You may not wire to a floating object. Move the object to where it belongs and

Re: Floating Object Error (W)

Steven Hammer wrote: Hi all, I just experienced an odd LV error message. I was trying to wire the output from a decrement function onto a FOR loop count terminal. The decrement was wired to a numeric control. The error message says: You may not wire to a floating object. Move the object to

Pocket PC browser

How can I create a browser in Labview PDA Module ?, is unconfortable to write the file path and name each time I want to open a file. Thanks Matias

Re: Vi Text Modification?

Thanks. That provide an answer to my question. John On Tue, 9 Mar 2004 14:18:38 -0600 (CST), Dennis Knutson [EMAIL PROTECTED] wrote: The answer to your question is in my answer to the original post. If you right click on the board with the color tool, you'll see the box in the lower left

Dialog tab control - first tab selection

Hi, I'm using LabVIEW 6.1. I use a dialog tab control containing 3 tabs in an interface. I want the first tab to be the default one, so the very first thing done when starting the interface is to activate the first tab programmaticaly. Also, when I save the VI, I make that first tab the active

RE: GPIB

Gokul, I have several Kith 23x around controlled from LV- and they are running flawlessly. Regarding puting the code in the loop - probably you're trying to get the data too frequently. These units have their integration time, so they cannot exceed that frequency in any case.. Mike

LV Front panel controls get locked

Hi! All, I am developing a LabVIEW program password verification. Front Panel Controls do not respond and get locked up. To regenerate the error do the following 1. Enter the password employee1 2. Press LOGIn button 3. Press CLOCK OUT button After this the front panel controls gets locked and

Digital Control and Indicator Background Color

I would like to programmatically control the background color of the digital controls and indicators on my front panel, but I cannot find that property listed on the property node for the indicators/controls. It seems to me that changing the background color of these would be a common thing, so I

LV Front panel controls get locked

Hi! All, I am developing a LabVIEW program password verification. Front Panel Controls do not respond and get locked up. To regenerate the error do the following 1. Enter the password employee1 2. Press LOGIn button 3. Press CLOCK OUT button After this the front panel controls gets locked and

Using BEI Encoder as a trigger for DAQ

Hello, I have a BEI rotary encoder which I am using with a NI PCI-MIO-16E-1 DAQ card. I would like to trigger the acquisition of an analog input every 10 pulses of the BEI encoder. I would also like to display the pulse frequency as a RPM display on my front panel. I have read the document

RE: LabVIEW to Excel wierdness

Hi Alvin, Sounds to me like you need to try and get back to a system that runs your original setup, i.e. Excel 2000 whatever OS you previously used. I have some experience of ActiveX calls to Excel, but have not yet tested old apps with the new version of Excel. My suspicion would be that it

Re: OT: E2050 vs E5810

Les Hammer wrote: As long as you find the right people. :-) I did the upgrade on the E2050B, and some firmware development on the E5810 before leaving Agilent. My buddy down the hall at TAMS (tamsinc.com) - which is the source of HPUX these days, was the E5810 project manager. So we have

request from an experienced newbie.

Hello Group, Please could someone suggest how to approach begin creating the following in LabView?... I've already done lots of procedural and event-driven programming, and have worked my way through the most part of the main LabView 7 evaluation tutorial. Background: We're about to

Re: Let's have election!It is fun:)

On Thursday, March 18, 2004, at 09:37 AM, = Michael Aivaliotis = wrote: As far as adding features such as attachments and HTML, this is a major change from the previous operation. Can I vote No on this? I get enough virus-laden email as it is, I don't need yet another infection vector! Have

Info-LabVIEW New Host Administrator (was: Let's have election!It is fun:))

Howdy Ya'll, Political Puns Prologue: It has been said that the best form of government is a benign democratic dictatorship, where things generally free-run as long as everyone behaves, and the dictator exercises their absolute authority very infrequently and always to the benefit of those being

How to obtain the frquency of a line profile...

Hi, I have a line profile from a line traced on an acquired image of a Digital Camera and I need the frequency of this line profile... Excuse me for my bad english, I'm french... Thank you Bye

RE: LabVIEW to Excel wierdness

Alvin, Although I don't have a direct answer to your question, I had a similar frustrating experience with LabVIEW and Excel earlier this year. I was seeing strange Excel/ActiveX behavior that took almost a week to isolate and fix. In my case (using Excel 2000) I was making updates from LabVIEW

Re: Let's have election!It is fun:)

Wow! So many e-mail filters and restrictions! Is there any doubt the phrase Internet Security is an oxymoron? Anyway, here is my vote for text only, no attachments. Enrique Vargas www.visecurity.com

User event

Hallo, I have VI1 which can generate UserEvent1 and UserEvent2 with the CreateUserEvent and GenerateUserEvent VIs. Now I want VI2 to be registered to these UserEvents. How can I do that? 1) I used a CreateUserEvent in VI2 and created an event with the same name on the data type than that one

All those things they try to hide

For anyone who's interests were peaked at the new code generation capabilites of LV7, Check out the directory C:\Program Files\National Instruments\MAX\Assistants\LVCGen\ There are many files to poke through. A good simple file to look at that will wet your whistle is in the LV70 Dir

exception error only w/ an .exe built from LabVIEW

Hey guys, I created a test that takes a relatively long time to complete (~6 hours over all temperatures). In order to avoid eating into my development time, we wanted to use a computer running a stand alone .exe file built from this Labview program. The build process runs smoothly, but I've

All those things - UPDATED

I found the specific unprotected files in the LV70 Dir C:\Program Files\National Instruments\MAX\Assistants\LVCGen\LV70\ Looks like someone forgot to protect the clusters mxwScript_CleanUpWires.vi mxwScript_ClusterConnector.vi MUST SEE mxwScript_ClusterConnectorN.vi

Re: Need help duplicating rows of 2D boolean array

I am sorry, but my LabView7 just can save the vi as version 6.1, so I made a screenshot of it, so you can build it yourself. http://www.pe.tu-clausthal.de/~pesba/download/frontpanel.JPG http://www.pe.tu-clausthal.de/~pesba/download/blockdiagramm.JPG Greets Stephan clg6621 [EMAIL PROTECTED]

ValueChanged event programmatically ?

Hallo newsgroup, desperately I must know this. A control generates a ValueChanged event if I enter a new value. No I have tried this: I have a control in VI1. In VI2 I open a VI reference to VI1, PropertyNode Panelrefnum PropertyNode Controls[] PropertyNode WriteValue to the refnum of the

Seeking LabView users in or around Herefordshire (UK) area

Hello All, As I am just starting out with LabView 7 Express, I am very keen to find local fellow users in the UK, ideally in Herefordshire or as close as possible. I would particularly like to meet up to observe an experienced user going about building almost anything from scratch, just to

Subject: Omega CN3251 Driver

Bob, I am interested in including your code for the Omega Temperature Controller on the Instrument Driver Network (ni.com/idnet) so that it can be shared with all of the LabVIEW community. If you are interested, please submit your code at http://zone.ni.com/idnet97.nsf/instrumentdriversubmit and

Labview DAQ on Powerbooks

How many of you are interested in using Labview with Powerbooks. My primary interest in the DAQCards is Mobile computing. I work in the field and collaborate with others which makes the Powerbook/DACCard a superb combination. Even a development of firewire peripheral solution seems like a lot

switching of analog measurment signals

Hello, in our LabView applications we have to measure several voltages and currents. We use a AT MIO 16 E 10 DAQ card, but it is not good enough for 2 voltages 2 currents. Therefore, we use exernal GPIB measuring instruments for them (Keithley 2000 a.a.). However, I think we could come along with

Shift register or Local Any differences in performance?

Hallo, I have a state machine where one state needs to pass and receive from/to other states. Should I use a shift register to interchange data or should I take a local variable? Both work of course but what would you prefer considering 1) Memory usage 2) Performance 3) Readability of source

Please... really important

Hello, I acquire of an image with a camera pulnix 6710 and this image is in fact a succession of vertical scratches. I trace a perpendicular horizontal line has these scratches and I leave there profiles it. I recupere a frequency with Extract Single Tone Information but I have different modeles

Re: tutorial labview 7 en francais

Bonjour, Je fais l'acquisition d'une image avec une camera pulnix 6710 et cette image est en fait une suite de stries verticales. Je trace une ligne horizontale perpendiculaire a ces stries et j'en sors le profile. Je recupere une frequence avec Extract Single Tone Information mais j'ai

Re: LabVIEW PDA

Enrique [EMAIL PROTECTED] wrote in message news:[EMAIL PROTECTED]... It seems that all you need to know is how to program in LabVIEW! It only takes 4 step. At least, that is what suggest a href=http://digital.ni.com/worldwide/bwcontent.nsf/web/all/2C2CE61C7080735F86256E2A004F2FD3;the latest NI

Use default if unwired buggy?

Hallo, I have case structure with several outputs (clusters, refnum,...). Since there are cases where I don't want to have these wired I've checked the Use default if unwired. But still LV tells me that the VI has Tunnel: missing assignment to tunnel errors. What's the problem ? Thank you

How to get a Pause and un-Pause function into my vi

Hello there, I have created a vi with the following things: 1) Pressure control 2) Flow control To pause: Pressure to high Pressure to low Flow to high Flow to low When it is in pause: - the power should be cut of and the valve should be closed and the remaing time

Save with 24 bits

I am searching for a way to save 24 bits values on an AIFF file i thought that keeping the 3 first bytes of an I32 should make it but it didn't work could anyone give me some clue ? thanks in advance -- Pascal Luquet Bien Entendu eMail : [EMAIL PROTECTED]

Re: Save with 24 bits

Despite the name of your company, your question wasn't well understood. :) i should be specialized in intelligibility ... I have to apply my advices to myself :) But, are you sure you have the lowest 3 bytes? LV stores data in Hi/Low format for words and bytes in memory. You need the last 3

Re: switching of analog measurment signals

Hi Nirmal, thanks for your answer. You are right, optocouplers (or relais) are the only pieces I still need. Also, I have nothing against soldering my own little 'board' in this situation. Maybe you could suggest me some good optocouplers. I am not experienced with hardware, but I see a problem

Re: switching of analog measurment signals

Hi Marcus, thanks for your answer. I was probably not clear about what I want. The solutions you suggest seem to be far to complex. As Nirmal pointed out, I actually only need high quality optocouplers, no more. On Thu, 25 Mar 2004 09:30:26 -0600 (CST), Marcus G [EMAIL PROTECTED] wrote: Hello

Controls[] question

Hallo, say I have a VI with some controls and indicators. If I get the VI's panel refnum and then the Controls[] property I get the array of references. But which array element belongs to which control/indicator of the referenced VI. Is there a way to retrieve an array or cluster with names

Re: Type Specifier VI Refnum lost at build

Eric, Try adding this to your LabVIEW settings file. I'm not certain that it will fix your problem, but it might. BldApp.RemovePolyVIsandTypedefs=False ## By default, LV7 AppBuilder does not include type definitions and unused instances of polymorphic VIs into executable in

OpenG Coding Challenge - Remove Backspace

Hello Info-LV'ers, I have started a contest to create a high-performance VI that removes backspace characters (and the characters preceding them) from a string. The wining entry will become part of the OpenG Toolkit. (Note that VI Icons will be judged separately). Visit http://openg.org page

Crash of LabVIEW executeable after some hours

Hi to all, I'm developing a LabVIEW program for a long term monitoring application of serial (RS232) devices. On the target system the program runs as executable. At start-up everything runs fine. After several hours (usually 1..3) the application crashes with an access violation. I did a lot of

RS 485

I am communicating with the device where it uses RS485 to scan for the device and report the devices available. Is there any template or example VI which can be used as startup to Wake Up from sleep mode, unit will acknowledge. Power on Self test and reboot and the unit will respond? thanks!!

Re: Save with 24 bits

thanks for the answers i tried to split the bytes with the split number function (and just taking the 3 first one) and it worked ! i don't know why i couldn't make it with concatenating bytes after a text conversion which should be equivalent ??? anyway it works !

Data type Everything

Hallo, lots and lots of very advanced LabVIEW questions. Here the next one: How can I realize the data type everything? which is used e.g in the type input of the unflatten function. I want to use this function in a SubVI and wired the input to a SubVI control. Doing this, I get a fixed data

Re: The Future of Igor and Info-LabVIEW Lists

On Friday, March 19, 2004, at 04:32 PM, Coradeschi, Tom [AMSRD-AAR-AIS-E] wrote: As I slowly fade from the scene, I'd also like to thank all of you for making this a really great experience. Way back when I was a heavy Igor and LabVIEW user, the lists made a tremendous impact on my ability to

Re: OpenG Coding Challenge - Remove Backspace

Mike, Here is the problem description that I put up on the challenge page. This isn't an extremely hard challenge, but it is a fun problem. Also, you can spend additional effort trying to shave off the last few milliseconds. -Jim

Re: OpenG Coding Challenge - Remove Backspace

Marco Tedaldi wrote: Jim Kring wrote: Hello Info-LV'ers, I have started a contest to create a high-performance VI that removes backspace characters (and the characters preceding them) from a string. The wining entry will become part of the OpenG Toolkit. (Note that VI Icons will be judged

RE: Large Fonts (another solution)

Jim, You can also add the following line to your EXE's INI file. [myEXE] appFont=Arial 14 Which will set Application font in your program equal to Arial size 14. Of course this won't work for your ActiveX control. Chris Davis ATA Arnold AFB, TN

MTS 458.91 Microprofiler Driver

Hello LV world: Anyone have a LabVIEW driver for the MTS 458.91 Microprofiler. Thanks Robert

Hi, Question about using Visual Basic with labview. How do you execute visual basic programs within labview?

Need help on how to execute an external program (written by VB in this case) within labview. Thanks in advance, JJ.

Ring AutoUpdate buggy ?

Hallo, I have an Enum template as strictly type def. Editing the template auto updates all the instanies in the block diagram, wonderful! Now I have a ring constant as strictly type (also tried as type def). AutoUpdate doesn't work at all. I think there can be two reasons. Either there's a

Any information about TestView?

Hi all, I've recently found out that there is a product known as Testview. It seems to me that this is a software based on Labview but included couple functionality like importing program parameters from Excel. I am just wondering if any of you guys know more things about it? I have been

RE: OpenG Coding Challenge - Remove Backspace

Mike, Based on a lot of similar feedback, we have updated the Functional Requirements to the following (thanks to Christian Altenbach for his work on this): -- Removes all backspaces (Slash Code: \b, ASCII Hex: 0x08) and the characters preceding them. If there are N

Request for suggestions on structuring!

Dear Group, Please can you educate me, my brain's exploding here. I've been given a huge, old-style procedural flow diagram to code up in LabView 7, to create an automated test environment. (Thanks so far to Chris Harden for your help, but I'm still stuck on details.) See

Re: Running two copies of VI and seeing two FPs

Simon Whitaker wrote: Hi folks, I'm trying to get a VI set up so that it can have more than one open FP available at once. It's a log viewer and I'd like to be able to have two instances running side-by-side, with a different log file loaded into each one. Setting the VI to reentrant doesn't

Is the following possible in Labview?

Hi all, I just begin learning labview and very inexperienced with it. I am trying to do the following things. I wanna add many controls on the labview display form and the VI started, it would read from a text file or something to determine which control is to be displayed and which control

Re: OpenG Coding Challenge - Remove Backspace

Alex Le Dain wrote: I would also think that re-entrancy here is only for testing as near to optimum, presumably building a VI into an EXE would achive the same increase in performance as is achieved with reentrant=TRUE, as the UI and debug code are removed then. Is that correct Jim? We'll sure

Some Fundamental Knowledge on TCP

Hi, all I am pretty new to Labview and would like to ask two questions about Labview TCP. (i) For TCP/IP in other language, like using socket, there is no gurantee of data arrival in 1 packet. In another words, we usually send the size as a hearder in the packet and keep receiving until we reach

S.O.S.: UK LabView 7 expert required: automated test environment, Herefordshire

Despite trying my best to learn the necessary techniques for completing this task, I doubt I'll meet the deadline of April 20th 2004 by myself. The company needs a working ATE program fast and it's more than I can confidently cope with, until I can get some more book learning and training

Conditional breakpoints and trace

Hallo, is there a way to place a kind of conditional breakpoint on a certain probe or control and break on appearance of certain data. Afterwards doing a trace to discover which part of the software caused the data, that would be fine! Any possibilities to do this in LV7? Thanks in advance

Upgrade from Full to Base version

Hi everyone, I'm using LabVIEW 6.1 Full version and I want to upgrade to LabVIEW 7 base version (I have some reasons to do that :-) ). I don't use any feature specific to the full version vs base version. Is it possible to make that kind of upgrade, will the base version be able to open VI

copy data from a front panel table

Hey all, I was trying to copy the data from a standard table, but when I try to paste it, I get a bitmap image of part of my table. I've tried both right-clicking and using the Edit menu. The Edit menu copy will just give me the data for one cell in my table. Am I missing something easy here?

LabVIEW 7RT PXI-1011 SCXI

Hello All, I was helping a colleague of mine this morning as we attempted to unravel the mysteries of LabVIEW RT. I'm a long time LabVIEW and SCXI users - but the PXI-1011 combo chassis and the RT controller setup have got me baffled. I guess the first question is - can LabVIEW RT address SCXI

RE: Application builder and LabVIEW base package

Hi Ian, I'm not sure about LV7 but I know that the apps builder works with the base package versions of LV5 6/6.1 which I currently use. Hopefully this is not a requirement of LV7 - this would be a retrograde step. Regards, Chris Harden. Test System Design Engineer. FR-HiTEMP Ltd, Brook

Re: Sending TCP data with value change

Perfect, that's exactly what I needed to know to get started. Thanks!! :o) -paul

Re: how to transfer data in table, to excel sheet

go to NI website: http://www.ni.com/devzone/dev_exchange/ex_search.htm and search for excel goop You want the excel toolkit(GOOP) this helped me do something very similiar to what you want to do. Thandal [EMAIL PROTECTED] wrote in message news:[EMAIL PROTECTED]... In my vi,on button click i

Re: Driver Templates

Scott, We currently only maintain our templates for the latest version of LabVIEW. We will add support for previous versions, but in the future any updates will only be reflected in the templates for the latest LabVIEW version. This is so we can incorporate the latest LabVIEW technologies in the

Passing a 2d array to a DLL written in C++

Hi! I have made a DLL in C++/MFC. I have to implement a function that can fill a LabView 2D-array with some data. How can that be done? I suppose the function should look something like this: int MyDllFunction(unsigned char **matrix, int width, int height) { for (int r = 0; r height; r++)

a question about for loop

Bonjour the problem I try to solve refers to a for loop which i try to stop whenever i press a clear button. I other words, I have a for loop that executes a number of task that last about 30minutes. the problem is, that I have no idea about how to quit such loop before the number of iteration is

MOTION - S-curves

I try to calculate the time and the distance needed for a motorized stage to reach a constant speed. The Speed, Acceleration / Deceleration and S-curves parameters are known. Is there any way (vi or dll) to obtain the theoritical position, speed and acceleration Vs time of a movmement ? Or is

Re: Passing a 2d array to a DLL written in C++

Evan [EMAIL PROTECTED] wrote in message news:[EMAIL PROTECTED]... Chris, I just wanted to add my 2 cents on the topic. Rolf has got you down the correct path, however there is an example that I think will really help you. It ships with LabVIEW 7.0 and can be found at C:\Program

Re: Passing a 2d array to a DLL written in C++

rolf [EMAIL PROTECTED] wrote in message news:[EMAIL PROTECTED]... So basically my function is valid (although I have to switch rows and columns for a valid result) and all I need is to make a LabView program that allocates a 2d-array and passes it to this dll function? Well, not sure about

Re: a question about for loop

Thanks Shane for your reply. As a matter of fact, I'm going to choose the first option you mentionned hereby since I think it's the best option. Nice of you to have answered Regards Gerard -- Gérard Férini Switzerland http://home.tiscalinet.ch/gferini/ shoneill [EMAIL PROTECTED] wrote in

NI Motion + PXI 7344 + s-curves

I use Labview 7.0 and a PXI 7344 motion board. I try to calculate the time and the distance needed for a motorized stage to reach a constant speed. The Speed, Acceleration / Deceleration and S-curves parameters are known. Is there any way (vi or dll) to obtain the theoritical position, speed and

Seeking LabView (7) drivers for Anritsu 37xxxC lightning VNA

Hello, I'm waiting to hear from Anritsu about this, but meanwhile does anyone have these or know exactly where to find them please? Failing that, is it likely that the drivers for the Anritsu 372xxA are likely to work satisfactorily? Thanks, Matt.

Auto indexing and wrap around

Hallo, when I enable AutoIndexing on a While-Loop, the node returns nothing when the loop reads beyond the end of the array. Is there a way to change this behaviour so, that the array wraps around and the WhileLoop reads the array again and again and... I could do it with a ForLoop nested

How to talk my company into allowing OpenG usage?

Just curious if anyone has any tips on convincing the corporate types that using software developed by the opensource community is a GOOD thing. I would love to be allowed to use all the OpenG tools and think that many in my group would also benefit from them. Also would like to use some of the

Re: How to talk my company into allowing OpenG usage?

You get what you pay for; if it's cheap or free it's crap. And some opinions fit into that category too, but it is best not to generalize ;-) One should always perform an evaluation of the tools (and advice) they are going to use, prior to using them. If they meet your standards and

Re (2) : appbuilder

for exemple i develop on a mac OSX with LV7 an application builder what do i need to make it run on windows ? This ability isn't really there today. EXEs on various Windows are compatible with one another, but Mac and unix have different binary standards. To compile one from the other

RE: copy data from a front panel table

Thanks to the guys that offered suggestions. I forgot to mention that the application from where I need to grab data is a .exe. The methods suggested only worked (or I couldn't make them work, anyway) for a regular VI and not an .exe. What I initially envisioned was something as simple as

Re: How to talk my company into allowing OpenG usage?

1) You get what you pay for; if it's cheap or free it's crap. Somebody correct me if I am wrong, but, if they want to pay money for it, they can. (Give it as a donation to OpenG. ) What I am trying to say is that, AFAIK, the term free in the open source philosophy is not one of free of cost:

Re: How to talk my company into allowing OpenG usage?

Of course, I have no idea what is Jim's or the other OpenG developers' policy on receiving money. I am just thinking out loud. If you follow the Support this project link from OpenG.org http://sourceforge.net/donate/index.php?group_id=52435, you will see the following:

Re: unsigned char?

Minty wrote: Does anyone know the equivalent data type (when using the Call Library Function Node in LabView 7 Express) to an unsigned char? For which platform and API? The types LabVIEW shows are the fundamental C types each C compiler should understand properly and means the same unless

Menus and EventStructures

Hallo, I have a rather strange behaviour. I've made a runtime menu with a couple of entries (all are type UserItem). Now I have an EventStructure which handles the event This VI MenuSelection (User). Inside the EventStructure I get information on the selected item by reading ItemTag which is

Re: unsigned char?

Minty wrote: Thanks for the reply Rolf. The platform is Win2k and the API is Win32. Thanks for your help. Minty WinAPI uses a number of types which are sometimes identical but the mostly used type which would correspond with unsigned char would be BYTE and UCHAR. Rolf K

Re: howto unzip in LabView

Volvo JazzHouse wrote: Hej, Does anyone know how to do it? Sure! You have two ways? 1) Using SystemExec VI you can call the pkunzip tool or any other command line zip utility. 2) Going over to OpenG on http://sourceforge.net/projects/opengtoolkit/ you can download the lib_lvzip library

custamizing controls

hi all I have a problem =E0 customizing controls. In labview7 ex. There is a vi named #8220;Using Custom Control.vi#8221; I want to know how to convert pictures to control, Like truck in above mentioned vi Please tell me how to do it..

Re: Crash when passing a pointer of an initialized U8 array to my dll file.

It's because the array is not set up like the standard C array. Read Using External Code in LabVIEW in LabVIEW's help. Also, if you right-click on the Call Library Node and select the option to create a header file, the header file will show the data structure more clearly.

Re: custamizing controls

First of all, you need to right click on the control you want to customize and select Advanced - Customize from the popup menu, this brings up a frontpanel from which you can import picutres into the control (Edit - Import Picture from file). Once the picture is imported, right click on the

Re: Can we run two while loops independently in one application?

You could sample both channels at higher rate (4K/s), then downsample for each channel. -Joe

Re: How to determin wich control has focus

For each control and indicator there is a property, Focus. When it is True, the control / indicator has the key focus. -Joe

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