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Application Design & Architecture

Discuss architecture design, queues, notifiers, dynamic events, dynamic VI calls, modular architectures etc. and any issues related to application design and development in LabVIEW.

1,112 topics in this forum

  1. Software architecture for modular measurement system in a battery and electronics testing laboratory

    By Istvan K,
    • 20 replies
    • 2k views

  2. How to implement fractional decimation with 32SPC?

    By ZSL,
    • 0 replies
    • 369 views

  3. New icons for Messenger Library

    By drjdpowell,
    • 0 replies
    • 2.4k views

  4. Problem with the root actor taking too long to launch

    By xiongxinwei,
    • 0 replies
    • 669 views

  5. How do I avoid coupling modules together by data type?

    By PA-Paul,
    • 5 replies
    • 2.8k views

  6. Where to put settings modules in my DQMH program?

    By Nokaroa,
    • 5 replies
    • 2.1k views

  7. Program architecture

    By Francois Aujard,
    • 10 replies
    • 2.5k views

  8. Windows system GDI object limit problem

    By xiongxinwei,
    • 9 replies
    • 3.5k views
    • VDB
    • VDB

  9. Follow Reference in vi

    By SayMaster,
    • 1 reply
    • 1.8k views

  10. Instrument simulator - command interpreter

    By CT2DAC,   
    • 8 replies
    • 2.7k views

  11. The property node design pattern where you edit a parameter by selecting which one is "active" is a horrible design

    By infinitenothing,
    • 16 replies
    • 3.7k views

  12. Copying change from an individual cluster element to multiple clusters

    By Mads,
    • 17 replies
    • 5.3k views

  13. Best way to merge 2 case structures with hundreds cases each.

    By Thang Nguyen,
    • 7 replies
    • 3.6k views

  14. Strange VI Status

    By X___,   
    • 10 replies
    • 3k views

  15. Dynamic Loading Classes using Interfaces, this year I'm finally doing it...

    By IpsoFacto,
    • 2 replies
    • 2.5k views

  16. Primer on the new Multiple Errors VIs?

    By X___,
    • 4 replies
    • 2.6k views

  17. Application recovery

    By Harris Hu,   
    • 2 replies
    • 2.5k views

  18. Custom subarrays

    By HugoChrist,
    • 10 replies
    • 10.2k views

  19. DQMH - creating modules, singletons or cloneable help

    By Matt_AM,
    • 4 replies
    • 3.6k views

  20. Is this a good place to use the "swap value" primitive?

    By infinitenothing,
    • 2 replies
    • 2.3k views

  21. Open Source Test Executive

    By Kurt Friday,
    • 0 replies
    • 4.1k views

  22. Implementing UNDO in my application UI.

    By Michael Aivaliotis,
    • 13 replies
    • 6.2k views

  23. DQMH - Does it make sense to have a "constant broadcast helper loop" and how do I prevent "circular messaging"?

    By Matt_AM,
    • 6 replies
    • 7.8k views

  24. warning.txt

    By pbruno11,
    • 0 replies
    • 3k views

  25. Log File Structure

    By rharmon@sandia.gov,
    • 5 replies
    • 4.1k views

  26. Events or Queues 1 2

    By Bhaskar Peesapati,
    • 27 replies
    • 12.2k views

  27. Panel Actors Work in Dev but fail to display in Runtime

    By timewaster1700,
    • 0 replies
    • 2.3k views

  28. Resolution of Pseudopaths in LabVIEW (Per-Target Invocation of Packed Project Libraries)

    By Aristos Queue,
    • 1 reply
    • 3.4k views

  29. Design advice needed for data acquisition system 1 2

    By brownx,
    • 38 replies
    • 10.1k views

  30. Panel Actors Launched from non Panel Actor

    By timewaster1700,
    • 0 replies
    • 2.9k views

  31. Actors and CVTs

    By Austin,   
    • 6 replies
    • 4.4k views

  32. The most complex VI file

    By Mefistotelis,
    • 1 reply
    • 5.6k views

  33. Read TDMS to a 2D array

    By Renan Valente,
    • 3 replies
    • 8k views

  34. Broadcast Actor (AF with a touch of DQMH)

    By jhoehner,
    • 2 replies
    • 7.4k views

  35. Aggregation or Composition for user events and dynamic processes

    By GregFreeman,
    • 9 replies
    • 8.4k views

  36. Multiple Machine QMH

    By Genaro27,
    • 1 reply
    • 8.1k views

  37. NI LabVIEW-DSC Application Architecture

    By Ravi Dhoble,
    • 0 replies
    • 7.4k views

  38. Multi threaded telnet comms

    By alecjcook,
    • 2 replies
    • 8.2k views

  39. Poll on Architecture and Frameworks 1 2 3 4

    By drjdpowell,
    • 97 replies
    • 35.3k views

  40. Receive a large traffic data program crash

    By Chen Li,   
    • 4 replies
    • 8.4k views

  41. LV built-app talk to CVI/VisualStudio exe: how?

    By torekp,   
    • 1 reply
    • 7.9k views

  42. Eleven Ways to Update an Indicator from within a subVI. Their Relative Performances and Quite Far Reaching Consequences...

    By styrum,
    • 20 replies
    • 11.6k views

  43. How to get list of events from an Event Registration Refnum (as variant)

    By Axelwlt,
    • 4 replies
    • 8.5k views

  44. Simulation on LV

    By AbdulQuader,
    • 3 replies
    • 7.5k views

  45. Getting a ref to a clone VI inherently unsafe?

    By David Boyd,
    • 6 replies
    • 9.8k views

  46. Owning the lifetime of VI launched with "Run VI Method"

    By PJM_labview,   
    • 6 replies
    • 8.1k views

  47. Can this architecture issue be solved with composition?

    By GregFreeman,
    • 6 replies
    • 7.9k views

  48. Playback file on cRIO

    By Ratataplam,
    • 4 replies
    • 7.4k views

  49. Shared Variable Woes

    By alecjcook,
    • 3 replies
    • 8.5k views

  50. Style Tips for Spaghetti Block Diagram

    By TUzzell,
    • 6 replies
    • 9.6k views

  51. plugin HAL

    By 0_o,
    • 23 replies
    • 13k views

  52. How to display RT Data on a multicolumn listbox?

    By Fred chen,   
    • 0 replies
    • 2.6k views

  53. Shared library PPL dependency problems

    By dcoons,   
    • 4 replies
    • 8k views

  54. building a display calculator

    By qwerty3321,
    • 7 replies
    • 7.7k views

  55. Advice Needed for Distributed Measurement and Control System

    By Shehezaada,
    • 5 replies
    • 3.1k views

  56. Open VI Front panel programmatically without having to include the.vi in the build

    By ParkerJonathan,
    • 9 replies
    • 7.4k views

  57. Have you ditched TestStand to roll your own sequencer?

    By Norm Kirchner,
    • 21 replies
    • 18.6k views

  58. Get VI Path

    By jmltinc,   
    • 4 replies
    • 3k views

  59. LV text rendering, MBCS, OS, Unicode

    By pawhan11,
    • 0 replies
    • 2.3k views

  60. Application configuration data storege

    By pawhan11,
    • 19 replies
    • 5.7k views

  61. deploy hierarchies of shared variables in EXE

    By ensegre,   
    • 1 reply
    • 3k views

  62. JKI VI Tester - Use of suites and cases to test multiple classes in the same way

    By Christian Butcher,   
    • 2 replies
    • 4.6k views

  63. Distributing updates by PPL instead of EXE

    By infinitenothing,
    • 1 reply
    • 1.8k views

  64. VI server method to get refs of all clones?

    By ensegre,   
    • 3 replies
    • 4.4k views

  65. String with multiple delimiters

    By Bira,   
    • 8 replies
    • 11.4k views

  66. Will statecharts survive to move to nxg?

    By Taylorh140,   
    • 4 replies
    • 2.6k views

  67. Add an option

    By black1234572,
    • 1 reply
    • 1.9k views

  68. Slow Index Array of Classes

    By GregFreeman,   
    • 8 replies
    • 3.8k views

  69. Variant

    By black1234572,
    • 1 reply
    • 1.6k views

  70. Hard Crashes, maybe start async call node related?

    By GregFreeman,   
    • 5 replies
    • 3.4k views

  71. myrio voce recognition

    By CHARAN,
    • 0 replies
    • 1.4k views

  72. Decouple UI and application core - need advice

    By candidus,
    • 17 replies
    • 5.4k views

  73. Help Needed with Configuration File (.ini) Control for Connection to DAQmx Virtual Channel

    By neunited,   
    • 3 replies
    • 4.8k views

  74. Obtaining SceneMesh parameters of 3D objects

    By Philippe123,   
    • 1 reply
    • 2k views

  75. Data transfer strategies for FPGA-RT-Host

    By Max Joseph,   
    • 8 replies
    • 14.4k views

  76. Is appropriate to use QSM in robotic arm control?

    By Lin yung-hsiang,   
    • 3 replies
    • 3.1k views

  77. Data type parsing

    By black1234572,
    • 2 replies
    • 2.2k views

  78. NI Bluetooth Auto Trigger VI

    By alecjcook,   
    • 0 replies
    • 1.9k views

  79. working with values of a table

    By rb767,   
    • 15 replies
    • 6.8k views

  80. 2D Array Filling by Boolean

    By Ano Ano,
    • 4 replies
    • 3.1k views

  81. Graph & Timing

    By Ano Ano,
    • 4 replies
    • 2.9k views

  82. Automatic Check for 'Re-entrant'

    By alecjcook,
    • 1 reply
    • 1.7k views

  83. Single Storage point for Multithreaded code

    By alecjcook,
    • 1 reply
    • 1.8k views

  84. Tetris in LabView problem with move blocks

    By Kassia,
    • 3 replies
    • 3.7k views

  85. storing a value

    By rb767,
    • 13 replies
    • 3.2k views

  86. Stepping up input

    By Asotop,
    • 2 replies
    • 1.9k views

  87. Error "...is a member of a cycle" during simulation

    By Shleeva,
    • 14 replies
    • 4.9k views

  88. Cannot pass argument to dynamic re-entrant VI

    By RayR,
    • 14 replies
    • 4k views

  89. Overcurrent Protection VI ?

    By Alvaro Espínola,   
    • 6 replies
    • 9.1k views

  90. Data Value Reference Problem

    By alecjcook,
    • 2 replies
    • 2.2k views

  91. Why is indexing conditional tunnel 3x faster than shift registers

    By Jacemdom,
    • 4 replies
    • 2.5k views

  92. Simple string in and out of a DLL created with LabVIEW

    By Randy_S,   
    • 3 replies
    • 4.1k views

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

    By Neil Pate,
    • 9 replies
    • 2.7k views

  94. Dataflow Quirk?

    By Mechatroner,   
    • 5 replies
    • 3.3k views

  95. Architecture for stopping calculation if new data comes in

    By infinitenothing,
    • 4 replies
    • 2.1k views

  96. Measurement Utility

    By Perj62,   
    • 1 reply
    • 2.8k views

  97. Connecting a GUI with the main loop

    By Felipe,
    • 9 replies
    • 3.5k views

  98. Action Engines... are we still using these? 1 2 3 4

    By Neil Pate,
    • 81 replies
    • 19.7k views

  99. How to get a Remote GPRS Terminal IP address?

    By Alexleung,   
    • 1 reply
    • 1.8k views

  100. Proper style for passing session refnums and other similar data types in loops

    By caleyjag,   
    • 9 replies
    • 5.8k views
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