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Thread Safe Queue Between DLL and EXE

Hello, We wondered if this architecture would work: An exe would create a thread safe queue.   A dll routine would write to the queue using CmtWriteTSQData.   The exe in turn would have an installed...

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Returning an array of structs from a function?

Hi all! I had posted a few days ago about some software I was working on. It is for an API for a client. They wanted it in the CVI environment for their project. It's essencially a parser. So we are...

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Application Note 127

Application note 127 is great, except that it references resources which have been depracated, or are no longer available, such as Visual Basic Controls Creation Edition. Is there a similar AN or...

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Exception information

Hello, I'm having problem with my application. it crashes during execution(Once a month).the last time that it happened i did the snapshot of the error.Could it be a problem related to the null...

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Passing 2D Array of char (1D string) out of a function

Hi, I have made a function to get list of name in array but i don t to get it out of the function.See under: In the main program : int iAdjustTableRows(){char **szArrayRes;  GetDataFromDB_OneCol...

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Tooltip color

Just noted that the tooltips set in the UIR editor and those applied with SetCtrlToolTipAttribute appear different The programmatical tooltip has yellow background and 17 pixel height, while the editor...

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Progress Bar Control goes not Responding

Hi, I am using a progress bar control in my application.there are several other UIR in the application as well.i embed all the UIR while creating the executable. the progress bar control works good if...

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open ethernet connection

Hi all,      My company had always used RS 232 to connect with many devices throught openCom cvi function, nowadays i had to  connect with a device through RJ45       can this function support this?...

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Using LabWindows/CVI Drivers for the Agilent DSO-X 4104A

Hello, I am trying to use CVI to read the current on an Agilent  DSO-X 4104A O-scope.Currently I have initialized and set the trigger source, but am having trouble adjusting the horizontal axis of the...

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ActiveX server output strings

I'm working on creating an ActiveX server executable with a number of interfaces. Each interface includes at least a couple methods that need to provide string output. The canonical prototype for such...

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title bar multbyte language text

Hi,I'm setting up a new application framework for the re design an existing application to work in both English and Chinese and any future language for that matter.I have sorted the localization of the...

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Where Can I Find NI-HSDIO PXIe 6556 LabWindows CVI Examples?

Greetings! I am looking for LabWindows CVI examples or a help file that shows function calls or api's for controlling the progrannable attributes of the HSDIO PXIe 6556/6555. Ken Grohman

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.net - IDictionary

Hello, I need to create a dictionary of type "System_Collections_Generic_IDictionary_T2" using labwindows CVI.Can anyone send me a sample code ? Regardssrk

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feedback on control tooltips position

I am wondering about the automatic positioning of control tooltips: they neither seem to be centered to the control nor to the mouse cursor position; they also seem not to consider the size of the CVI...

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Looping channels on the NI 9214

Hi, Can you help? What I need to do, without using a setup in MAX(if I can avoid it), is to read 3 channels of the NI 9214 and store the result of each to a file. If the first channel is given and the...

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Clearing Chart using History Data Property Node

I want to be able to programmatically clear at the beginning of running the program. Because I have a reference to the waveform chart I didnt know if there was a certain way I needed to connect the...

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inettelnetclose handle release

Hi,   I currently make use of the Inet library to communicate with one of our products.  My problem lies with the fact that I have to open and close 2 Telnet sessions at an interval of 5 seconds.  From...

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Multiple plots & Y-scales

Hello,I am in the process of moving away from LabVIEW towards CVI.  The first task is to redo the HMI in CVI.  In our old code, we have a chart with multiple plots (each with their own scale / Y-axis),...

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DAQ assistant block

Hi,  in my block diagram (labview),  i cannot see DAQ assistant block.  i check it by going express- input. But i donot see DAQ assistan block. if you please tell me.

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disable mouse control

Hi, anyone know a way of disabling all user control on the mouse? I am controlling the mouse movement programatically and but still have the ability to move the mouse in a limited way. Once I begin to...

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