Application Design & Architecture

1,112 topics in this forum

1. Global Variable Usage

   By sm07, July 27, 2007
   • 9 replies
   • 0 views
   • 
   • PaulG.
   • July 28, 2007

2. Stopping while loop

   By Phantom Lord, November 21, 2007
   • 9 replies
   • 0 views
   • 
   • Neville D
   • November 21, 2007

3. How to configure timed loop?

   By Johan Svensson, November 16, 2006
   • 9 replies
   • 0 views
   • 
   • Ton Plomp
   • November 17, 2006

4. Do we prefer to have a cancelled output or an ok output?

   By Neil Pate, December 13, 2016
   • 9 replies
   • 3k views
   • 
   • ShaunR
   • December 15, 2016

5. Invalid Dynamic Shared Variable Performance Issue

   By Omar Mussa, August 11, 2015
   • 9 replies
   • 8.4k views
   • 
   • Jordan Kuehn
   • January 29, 2021

6. Keeping LV8 Project Explorer up to date on file changes?

   By george seifert, November 1, 2005
   • 9 replies
   • 0 views
   • 
   • JaysonR
   • November 4, 2005

7. Error when flush and destroy queue!

   By Thang Nguyen, March 31, 2007
   • 9 replies
   • 0 views
   • 
   • Thang Nguyen
   • April 2, 2007

8. Any issues using EXEs built with Win7 on a WinXP PC?

   By george seifert, January 3, 2012
   • 9 replies
   • 4.2k views
   • 
   • Roger_1
   • January 4, 2012

9. VI's vs SubVI's

   By packstove, August 31, 2006
   • 9 replies
   • 0 views
   • 
   • Mads
   • September 3, 2006

10. Conditional For Loops as 'Trial and Error' resolver

    By Ton Plomp, January 7, 2012
    • 9 replies
    • 5.3k views
    • 
    • ShaunR
    • January 10, 2012

11. Reading 2-column data file and interpolate

    By Stepper, November 1, 2010
    • 8 replies
    • 5.3k views
    • 
    • ShaunR
    • November 2, 2010

12. How to manage an error without stopping the vi

    By jgarciallamas, December 1, 2006
    • 8 replies
    • 0 views
    • 
    • jgarciallamas
    • December 4, 2006

13. Loading VIs into memory

    By Eugen Graf, April 4, 2007
    • 8 replies
    • 0 views
    • 
    • Eugen Graf
    • April 8, 2007

14. How can you tell if a dynamically called VI (async call) is running?

    By PA-Paul, October 7, 2013
    • 8 replies
    • 10.9k views
    • 
    • lvb
    • October 10, 2013

15. Throwing and Catching Exceptions With Grand Old Error Cluster

    By LAVA 1.0 Content, September 4, 2006
    • 8 replies
    • 0 views
    • 
    • Aristos Queue
    • March 28, 2007

16. Implementing Undo/Redo

    By GregFreeman, March 15, 2013
    • 8 replies
    • 5.7k views
    • 
    • shoneill
    • March 18, 2013

17. Large Test applications without large State Machines

    By jcarmody, December 1, 2009
    • 8 replies
    • 4.7k views
    • 
    • Mark Smith
    • December 2, 2009

18. Executable file: how to disable startup VI

    By pockey, January 25, 2007
    • 8 replies
    • 0 views
    • 
    • pockey
    • January 26, 2007

19. Modular LabVIEW Application Development

    By jcz, March 25, 2009
    • 8 replies
    • 0 views
    • 
    • ssingh1
    • April 19, 2010

20. QSM-PC vs. something else in re Performance

    By Dragoon235, June 16, 2010
    • 8 replies
    • 4.8k views
    • 
    • PaulL
    • July 16, 2010

21. Plugins, PPLs and the MGI Solution Explorer

    By QueueYueue, March 8, 2016
    • 8 replies
    • 10.1k views
    • 
    • molsen
    • September 8, 2020

22. VI Server with built applications

    By jdunham, December 12, 2008
    • 8 replies
    • 0 views
    • 
    • kondratko
    • May 1, 2009

23. LabVIEW type descriptors

    By mike5, November 4, 2011
    • 8 replies
    • 5.6k views
    • 
    • mike5
    • November 18, 2011

24. BF Generator

    By JasonXCX, May 30, 2008
    • 8 replies
    • 0 views
    • 
    • zhpipo16
    • June 5, 2008

25. Best way to create one app with several sub-apps

    By MartinMcD, March 17, 2010
    • 8 replies
    • 4.2k views
    • 
    • jgcode
    • March 18, 2010

26. For loop won't fill array

    By Eudaemonic, May 25, 2006
    • 8 replies
    • 0 views
    • 
    • Eudaemonic
    • May 30, 2006

27. Thoughts on large amount of config data

    By dblk22vball, May 6, 2009
    • 8 replies
    • 0 views
    • 
    • asbo
    • May 7, 2009

28. Multiple dynamically registered events not firing in subvi

    By jccorreu, July 4, 2007
    • 8 replies
    • 0 views
    • 
    • Ton Plomp
    • July 10, 2007

29. please help me for test pump

    By Hossein, February 4, 2014   

    • bench test
    • 8 replies
    • 3.9k views
    • 
    • ned
    • February 6, 2014

30. Import Shared Library but unable to load library at call library function node

    By David Yee, June 4, 2014   

    • side by side configuration
    • dll
    • (and 3 more)

      Tagged with:

      • side by side configuration
      • dll
      • import shared library
      • emotiv
      • call library function node
    • 8 replies
    • 11.2k views
    • 
    • Rolf Kalbermatter
    • June 12, 2014

31. Tree or ListBox or Array of Strings

    By LHarris, March 26, 2010
    • 8 replies
    • 4.6k views
    • 
    • LHarris
    • April 13, 2010

32. Slow Index Array of Classes

    By GregFreeman, October 16, 2017   

    • classes
    • slow
    • (and 1 more)

      Tagged with:

      • classes
      • slow
      • lvoop
    • 8 replies
    • 4.8k views
    • 
    • GregFreeman
    • October 17, 2017

33. Strange Semaphore Behavior

    By theoneandonlyjim, May 12, 2010
    • 8 replies
    • 6.9k views
    • 
    • Yair
    • September 14, 2010

34. Find a valley in continuous DAQ data

    By george seifert, September 29, 2009
    • 8 replies
    • 4.2k views
    • 
    • george seifert
    • October 1, 2009

35. String with multiple delimiters

    By Bira, October 26, 2017   

    • vi scripting
    • 8 replies
    • 13.1k views
    • 
    • CraigC
    • November 13, 2017

36. DVR, in-place element and locking (+freeze)

    By mike5, March 30, 2010
    • 8 replies
    • 4.7k views
    • 
    • mje
    • March 31, 2010

37. Instrument simulator - command interpreter

    By CT2DAC, February 5, 2023   

    • command interpreter
    • abstract syntax tree
    • (and 1 more)

      Tagged with:

      • command interpreter
      • abstract syntax tree
      • ast
    • 8 replies
    • 3.7k views
    • 
    • wallyabcd
    • February 23, 2023

38. Using a new sub vi

    By Bhima, December 29, 2007
    • 8 replies
    • 0 views
    • 
    • Gabi1
    • January 4, 2008

39. Odd UI event behaviour

    By crelf, March 21, 2008
    • 8 replies
    • 0 views
    • 
    • ned
    • March 21, 2008

40. Consequences of unreliable run method

    By Mads, January 21, 2011
    • 8 replies
    • 5.4k views
    • 
    • mzu
    • February 25, 2011

41. how can i make a stopper

    By mezga, June 13, 2006
    • 8 replies
    • 0 views
    • 
    • mezga
    • June 13, 2006

42. Benchmarking your code for speed - your thoughts?

    By crelf, April 30, 2008
    • 8 replies
    • 0 views
    • 
    • orko
    • May 5, 2008

43. Problems with losing data using Shared Variables and Datasockets

    By ibbuntu, March 22, 2008
    • 8 replies
    • 0 views
    • 
    • ibbuntu
    • April 1, 2008

44. Communicating between separate VI's

    By pureindo, March 15, 2005
    • 8 replies
    • 0 views
    • 
    • Eric Griwicki
    • April 29, 2005

45. Two Different Driver Sets

    By NelsonUWP, July 7, 2010
    • 8 replies
    • 5.2k views
    • 
    • Dan DeFriese
    • July 14, 2010

46. help- subvi usuage

    By Carriejo, January 3, 2007
    • 8 replies
    • 0 views
    • 
    • Carriejo
    • January 4, 2007

47. Property Nodes and Visibility

    By twstedsurf, July 12, 2005
    • 8 replies
    • 0 views
    • 
    • m3nth
    • July 15, 2005

48. Sorting a table according to one element

    By postformac, February 18, 2010
    • 8 replies
    • 6.8k views
    • 
    • postformac
    • February 19, 2010

49. Moving from Action Engines to Classes

    By abrink, July 9, 2014   

    • action engine
    • application design
    • (and 1 more)

      Tagged with:

      • action engine
      • application design
      • lvoop
    • 8 replies
    • 6.6k views
    • 
    • AutoMeasure
    • July 14, 2014

50. Need help using queued state machine

    By Eugen Graf, September 7, 2007
    • 8 replies
    • 0 views
    • 
    • orko
    • September 7, 2007

51. Multiple queues and Reentrant VIs.

    By Kas, November 6, 2012
    • 8 replies
    • 6.1k views
    • 
    • Kas
    • November 7, 2012

52. Use command line to specify to an executable which file to open

    By SimonJarvis, September 8, 2007
    • 8 replies
    • 0 views
    • 
    • jpdrolet
    • September 11, 2007

53. Returning a value from a VI that was called by reference

    By george seifert, February 22, 2008
    • 8 replies
    • 0 views
    • 
    • george seifert
    • March 4, 2008

54. Programmatically "Discard Event" in an event structure

    By LAVA 1.0 Content, January 17, 2008
    • 8 replies
    • 0 views
    • 
    • Ton Plomp
    • January 17, 2008

55. How do I verify if an EXE is in my Windows PATH?

    By Justin Goeres, November 26, 2008
    • 8 replies
    • 0 views
    • 
    • Jim Kring
    • November 27, 2008

56. Building Lists of Queue References

    By AlexA, March 16, 2012
    • 8 replies
    • 3.5k views
    • 
    • asbo
    • March 19, 2012

57. Do lvlib files pull all their member VIs and dependencies into memory when called?

    By Mike Le, April 11, 2014
    • 8 replies
    • 9.9k views
    • 
    • Steen Schmidt
    • December 28, 2016

58. Optimization problem

    By Graeme, December 23, 2011
    • 8 replies
    • 5.3k views
    • 
    • ShaunR
    • December 26, 2011

59. CLA Exam Format Change

    By jgcode, July 21, 2010
    • 8 replies
    • 8.3k views
    • 
    • Daklu
    • July 23, 2010

60. Pass data via user event with reference or actual data?

    By george seifert, October 12, 2009
    • 8 replies
    • 3.7k views
    • 
    • Mark Yedinak
    • October 12, 2009

61. too many loops?

    By robert.berger, April 12, 2005
    • 8 replies
    • 0 views
    • 
    • Michael Aivaliotis
    • April 24, 2005

62. Dynamic Control of Properties

    By Aaron, September 12, 2007
    • 8 replies
    • 0 views
    • 
    • Aaron
    • September 12, 2007

63. Disable multiple controls on vi.

    By graastein, November 21, 2006
    • 8 replies
    • 0 views
    • 
    • Aitor Solar
    • November 22, 2006

64. Data transfer strategies for FPGA-RT-Host

    By Max Joseph, July 6, 2017   

    • fgpa
    • real-time
    • (and 1 more)

      Tagged with:

      • fgpa
      • real-time
      • architecture
    • 8 replies
    • 16.3k views
    • 
    • smithd
    • July 21, 2017

65. Front panel controls and text different size on different PCs

    By george seifert, January 11, 2010
    • 8 replies
    • 4.6k views
    • 
    • george seifert
    • January 13, 2010

66. Wait for multiple queues

    By Vladimir Drzik, July 15, 2009
    • 8 replies
    • 6.8k views
    • 
    • Vladimir Drzik
    • July 17, 2009

67. Clock the Time

    By CamilloN, September 15, 2007
    • 8 replies
    • 0 views
    • 
    • mross
    • September 25, 2007

68. Calling an subVI asynchronously

    By Doug Harper, February 8, 2016
    • 8 replies
    • 9.4k views
    • 
    • Yair
    • February 22, 2016

69. I have a race condition, but I don't see why

    By torekp, September 17, 2008
    • 7 replies
    • 0 views
    • 
    • LAVA 1.0 Content
    • September 17, 2008

70. Discussing Project Size

    By asbo, December 8, 2008
    • 7 replies
    • 0 views
    • 
    • crelf
    • December 10, 2008

71. Registering Events in SubVIs

    By Jordan Kuehn, July 21, 2011
    • 7 replies
    • 5.1k views
    • 
    • Jordan Kuehn
    • July 24, 2011

72. Get Control Reference by Name

    By John Lokanis, April 3, 2007
    • 7 replies
    • 0 views
    • 
    • Dave Graybeal
    • April 5, 2007

73. MessagePump: A Messaging Framework Class

    By mje, February 19, 2009
    • 7 replies
    • 0 views
    • 
    • mje
    • March 27, 2009

74. suggestions on the best design pattern for app?

    By bobby light, May 30, 2011
    • 7 replies
    • 4.1k views
    • 
    • bobby light
    • June 5, 2011

75. communicate between executables

    By aart-jan, September 3, 2006
    • 7 replies
    • 0 views
    • 
    • Yair
    • September 10, 2006

76. Parallel loop architecture random priority?

    By JPrevost, January 25, 2006
    • 7 replies
    • 0 views
    • 
    • Thang Nguyen
    • April 22, 2009

77. Dynamic Sub VI Control: Practical Implementation Thereof

    By AlexA, January 17, 2012
    • 7 replies
    • 5.1k views
    • 
    • Steen Schmidt
    • February 1, 2012

78. Application for reading multiple serial ports

    By SharkM, May 27, 2008
    • 7 replies
    • 0 views
    • 
    • LAVA 1.0 Content
    • June 4, 2008

79. soft starter drives & frequencey converter

    By doki, November 5, 2013
    • 7 replies
    • 4.2k views
    • 
    • doki
    • November 6, 2013

80. Reference casting dance sanity check

    By todd, October 18, 2013
    • 7 replies
    • 3.9k views
    • 
    • todd
    • October 21, 2013

81. Parallel Process

    By drjdpowell, July 28, 2011
    • 7 replies
    • 10.5k views
    • 
    • drjdpowell
    • September 28, 2011

82. Move C code to LabVIEW -- writing to binary file

    By GregFreeman, July 8, 2013
    • 7 replies
    • 4.1k views
    • 
    • Rolf Kalbermatter
    • July 9, 2013

83. How To combine my 2 programs to make it on program

    By yaba, March 29, 2006
    • 7 replies
    • 0 views
    • 
    • yaba
    • March 31, 2006

84. Encryption Keys

    By GregFreeman, February 5, 2014
    • 7 replies
    • 37k views
    • 
    • Rolf Kalbermatter
    • November 4, 2014

85. PID Control Toolkit

    By srsnerdshack, March 1, 2011
    • 7 replies
    • 5.5k views
    • 
    • ned
    • March 1, 2011

86. Better Error Case Structure

    By Doon, December 13, 2006
    • 7 replies
    • 0 views
    • 
    • crelf
    • December 14, 2006

87. Not-a-refnum of specific type

    By mike5, March 23, 2010
    • 7 replies
    • 5.4k views
    • 
    • Rolf Kalbermatter
    • March 24, 2010

88. wav file > FFT > peak point

    By zeldAIS, May 20, 2007
    • 7 replies
    • 0 views
    • 
    • zeldAIS
    • September 6, 2007

89. Does anyone ever post codes that they are working on?

    By doradorachan, September 15, 2014   

    • examples
    • architecture
    • 7 replies
    • 4.2k views
    • 
    • hooovahh
    • September 17, 2014

90. Choices for shared data.

    By Mark Zvilius, June 27, 2010
    • 7 replies
    • 3.7k views
    • 
    • Daklu
    • June 28, 2010

91. Best solution for Ethernet or Serial communication

    By machyaer, March 4, 2011
    • 7 replies
    • 6.2k views
    • 
    • Mark Yedinak
    • March 11, 2011

92. Poly input

    By mike5, November 23, 2010
    • 7 replies
    • 4.1k views
    • 
    • mike5
    • November 24, 2010

93. Named queue vs feedback node global queue

    By infinitenothing, January 30, 2015
    • 7 replies
    • 4.4k views
    • 
    • pawhan11
    • January 31, 2015

94. How to get 'Info' data from a variant

    By george seifert, November 4, 2009
    • 7 replies
    • 11.2k views
    • 
    • Ton Plomp
    • November 5, 2009

95. FIltering Noise

    By marp84, July 25, 2009
    • 7 replies
    • 4.5k views
    • 
    • Matthew Zaleski
    • August 28, 2009

96. Custom Error Handling.....How?

    By kawait, June 7, 2006
    • 7 replies
    • 0 views
    • 
    • crelf
    • June 13, 2006

97. PID in water tank simulation

    By David M., July 5, 2009
    • 7 replies
    • 11.5k views
    • 
    • Kurt Friday
    • July 26, 2009

98. State Diagram Editor

    By viSci, June 29, 2010
    • 7 replies
    • 18.3k views
    • 
    • Black Pearl
    • July 2, 2010

99. Application Initialization ... how best to do it

    By fbrandeber, February 7, 2007
    • 7 replies
    • 0 views
    • 
    • LAVA 1.0 Content
    • February 13, 2007

100. Automated Test System Implementation

     By ejensen, December 19, 2008
     • 7 replies
     • 0 views
     • 
     • ejensen
     • December 30, 2008