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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. Self-addressed stamped envelopes 1 2

    By drjdpowell,
    • 45 replies
    • 48.8k views

  2. How many "User Events" can LabVIEW queued? 1 2

    By MViControl,
    • 42 replies
    • 48.4k views

  3. Poll on Architecture and Frameworks 1 2 3 4

    By drjdpowell,
    • 97 replies
    • 45.5k views

  4. Labview anti-pattern: Action Engines 1 2 3

    By Daklu,
    • 52 replies
    • 45.1k views

  5. Multiple While Loops

    By AlexA,
    • 22 replies
    • 43.9k views
    • ned
    • ned

  6. Decoupling the UI 1 2 3

    By Cat,
    • 71 replies
    • 40.7k views

  7. QSM (Producer/Consumer) Template 1 2 3

    By Kas,   
    • 74 replies
    • 39.5k views

  8. Queue Memory Management 1 2

    By Cat,
    • 41 replies
    • 38k views

  9. Encryption Keys

    By GregFreeman,
    • 7 replies
    • 37.3k views

  10. Using multiple (2) event structures in 1 VI 1 2

    By PA-Paul,
    • 39 replies
    • 36.5k views
    • Cat
    • Cat

  11. Instructional videos on YouTube 1 2

    By drjdpowell,   
    • 49 replies
    • 33.4k views

  12. REx - Remote Export Framework and Remote Events 1 2

    By Norm Kirchner,   
    • 34 replies
    • 29.7k views

  13. Waveform chart X scale not matching time correctly

    By patufet_99,   
    • 13 replies
    • 27.7k views

  14. Object-Based State Machine Pattern

    By Daklu,
    • 24 replies
    • 27.5k views

  15. Best Practices in LabVIEW 1 2

    By John Lokanis,
    • 25 replies
    • 26.5k views

  16. CLA Exam Question

    By Daklu,
    • 17 replies
    • 25.3k views

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

    By Neil Pate,
    • 81 replies
    • 24.6k views

  18. Intra-process signalling (was: VIRegister) 1 2

    By Steen Schmidt,
    • 46 replies
    • 24.3k views

  19. How do you model this? 1 2

    By Daklu,
    • 26 replies
    • 24.2k views

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

    By Norm Kirchner,
    • 21 replies
    • 24k views

  21. Re-Designing Multi-Instrument, Multi-UI Executable 1 2

    By jbjorlie,   
    • 36 replies
    • 24k views

  22. Lapdog over the network? 1 2 3

    By GregSands,   
    • 63 replies
    • 23.2k views

  23. Best way to share data from different subpanels?

    By Labview Junky,   
    • 23 replies
    • 23.1k views

  24. Examples: Messaging with objects, Command and State Patterns, configuration with XML

    By PaulL,
    • 20 replies
    • 21k views

  25. Explanation of LabVIEW Execution Systems and Thread Priorities

    By ak_nz,
    • 12 replies
    • 20.3k views

  26. Application Task Kill on Exit?

    By hooovahh,
    • 22 replies
    • 20.3k views

  27. Non-OOP Design Patterns 1 2

    By Cat,
    • 39 replies
    • 20k views

  28. A Robust Technique for Controlling a Parallel Processing Loop?

    By AlexA,
    • 18 replies
    • 20k views

  29. State Diagram Editor

    By viSci,
    • 7 replies
    • 18.6k views

  30. Data transfer strategies for FPGA-RT-Host

    By Max Joseph,   
    • 8 replies
    • 17.6k views

  31. Delacor Queued Message Handler (DQMH) available via LVTN

    By Fab,   
    • 23 replies
    • 17.6k views
    • Fab
    • Fab

  32. Notifier with buffer 1 2

    By Mads,
    • 27 replies
    • 17.3k views

  33. Network Messaging and the root loop deadlock 1 2

    By John Lokanis,   
    • 32 replies
    • 17.3k views

  34. How to execute a executable program from LabVIEW?

    By Yanan,
    • 6 replies
    • 16.5k views

  35. How do I use interrupts?

    By Itamar,
    • 12 replies
    • 16.2k views

  36. Namespacing objects in a build makes them "different" 1 2

    By crelf,
    • 34 replies
    • 16k views

  37. Events or Queues 1 2

    By Bhaskar Peesapati,
    • 27 replies
    • 15.9k views

  38. plugin HAL

    By 0_o,
    • 23 replies
    • 15.6k views

  39. NLog logging engine for LabVIEW

    By JodyK,   
    • 14 replies
    • 15.6k views

  40. Node Map Tool?

    By John Lokanis,   
    • 16 replies
    • 15.5k views

  41. Bugzilla for requirements management

    By ASTDan,
    • 10 replies
    • 15.4k views

  42. DVR, SEQ, FGV, Semaphores

    By ned,
    • 20 replies
    • 15.3k views
    • ned
    • ned

  43. Simple Modular MVC

    By abrink,   
    • 20 replies
    • 15.2k views

  44. LV2010 weirdness

    By mike5,
    • 10 replies
    • 15.1k views

  45. Question about the JKI state machine

    By eberaud,   
    • 18 replies
    • 15k views

  46. What unit test framework for LabVIEW do you use?

    By Omar Mussa,
    • 15 replies
    • 14.9k views

  47. Robustness of Functional Global pattern at large scales? 1 2

    By Mechatroner,
    • 29 replies
    • 14.9k views

  48. Abstraction layer

    By PaulG.,
    • 16 replies
    • 14.7k views

  49. one producer, two consumers

    By gator,
    • 9 replies
    • 14.6k views

  50. Communication between projects

    By EOF,
    • 11 replies
    • 14.4k views

  51. String with multiple delimiters

    By Bira,   
    • 8 replies
    • 14.3k views

  52. Design advice needed for data acquisition system 1 2

    By brownx,
    • 38 replies
    • 14.3k views

  53. Factoring Code and Instantiating Parallel Processes in subVIs 1 2

    By AlexA,
    • 29 replies
    • 14.1k views

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

    By styrum,
    • 20 replies
    • 14.1k views

  55. Can't programatically Abort or find Asynchronous Call 0x80

    By Jon Kokott,   
    • 10 replies
    • 13.6k views

  56. New Events features in LabVIEW 2013 (Flush Queue, High Priority Events, Event Inspector Window, etc)

    By Michael Aivaliotis,   
    • 10 replies
    • 13.5k views

  57. Re-entrant VI with Front Panel

    By jgcode,
    • 17 replies
    • 13.4k views

  58. Reading fixed size of elements using FPGA FIFO

    By Yang,   
    • 13 replies
    • 13.4k views

  59. should queue reference be obtained or kept in shift register

    By manigreatus,   
    • 14 replies
    • 13.3k views

  60. Error Handling in messaging systems 1 2

    By John Lokanis,   
    • 28 replies
    • 12.8k views

  61. Need Help for making an image drop down menu 1 2

    By Farid2010,
    • 28 replies
    • 12.8k views

  62. Terminating Producer Consumer Loops

    By AlexA,
    • 10 replies
    • 12.8k views

  63. Message Routing Architecture

    By Mark Balla,
    • 7 replies
    • 12.7k views

  64. Generating event off windows message queue

    By GregFreeman,   
    • 21 replies
    • 12.7k views

  65. Max data structure sizes (queues, arrays etc.)

    By Steen Schmidt,
    • 9 replies
    • 12.1k views

  66. Custom subarrays

    By HugoChrist,
    • 10 replies
    • 12k views

  67. performance of queue of large arrays

    By Mark Zvilius,
    • 13 replies
    • 11.9k views

  68. PID in water tank simulation

    By David M.,
    • 7 replies
    • 11.9k views

  69. Labview Programming Structures

    By murray,
    • 10 replies
    • 11.8k views

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

    By David Yee,   
    • 8 replies
    • 11.8k views

  71. Random On LED, manual off, and time between

    By siruami,
    • 6 replies
    • 11.7k views

  72. Multiple Test Executives

    By NeilA,
    • 21 replies
    • 11.6k views

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

    By george seifert,
    • 7 replies
    • 11.5k views

  74. .net Events in LabVIEW causing memory leak ?

    By Runjhun,   
    • 11 replies
    • 11.4k views

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

    By PA-Paul,
    • 8 replies
    • 11.3k views
    • lvb
    • lvb

  76. Style Tips for Spaghetti Block Diagram

    By TUzzell,
    • 6 replies
    • 11.2k views

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

    By David Boyd,
    • 6 replies
    • 11k views

  78. How to select the best LabVIEW architecture?

    By touchthesky,
    • 3 replies
    • 11k views

  79. My clever design...is NOT clever 1 2

    By pete_dunham,
    • 27 replies
    • 11k views

  80. Hash table equivalent

    By mike5,
    • 6 replies
    • 10.9k views

  81. JKI State Machine Sub States

    By jgcode,
    • 15 replies
    • 10.9k views

  82. XControls and user events

    By Ton Plomp,
    • 19 replies
    • 10.8k views

  83. MultiQ

    By Mads,   
    • 16 replies
    • 10.8k views

  84. Parallel Process

    By drjdpowell,
    • 7 replies
    • 10.8k views

  85. Plugins, PPLs and the MGI Solution Explorer

    By QueueYueue,
    • 8 replies
    • 10.7k views

  86. Launching a Dynamic VI Staticly

    By Ryan Podsim,
    • 10 replies
    • 10.6k views

  87. Using user define events instead of queues.

    By dannyt,
    • 9 replies
    • 10.5k views

  88. Multi-user acess to cRIO

    By BradPID,
    • 19 replies
    • 10.4k views

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

    By Mike Le,
    • 8 replies
    • 10.4k views

  90. Overcurrent Protection VI ?

    By Alvaro Espínola,   
    • 6 replies
    • 10.3k views

  91. Creating a reference to a specific row in an array

    By LHarris,
    • 5 replies
    • 10.2k views

  92. Calling an subVI asynchronously

    By Doug Harper,
    • 8 replies
    • 10.2k views

  93. A query on queues: how to retrieve the number of remaining refnums 1 2

    By asbo,
    • 26 replies
    • 10.1k views

  94. Try Multiple Type Casts

    By Norm Kirchner,
    • 16 replies
    • 10.1k views

  95. Envelope detector?

    By george seifert,
    • 5 replies
    • 10k views

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

    By Axelwlt,
    • 4 replies
    • 10k views

  97. VI server

    By Benoit,   
    • 15 replies
    • 9.9k views

  98. Best way to re-initialize?

    By LHarris,
    • 3 replies
    • 9.9k views

  99. Strict Variant <-> Numeric conversion

    By mike5,
    • 23 replies
    • 9.9k views

  100. Receive a large traffic data program crash

    By Chen Li,   
    • 4 replies
    • 9.7k views
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