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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.

1,113 topics in this forum

  1. Poll on Architecture and Frameworks 1 2 3 4

    By drjdpowell,
    • 97 replies
    • 63.6k views

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

    By MViControl,
    • 42 replies
    • 58.9k views

  3. Self-addressed stamped envelopes 1 2

    By drjdpowell,
    • 45 replies
    • 55.4k views

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

    By Daklu,
    • 52 replies
    • 52.4k views

  5. Decoupling the UI 1 2 3

    By Cat,
    • 71 replies
    • 51k views

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

    By Kas,   
    • 74 replies
    • 50.4k views

  7. Multiple While Loops

    By AlexA,
    • 22 replies
    • 47.7k views
    • ned
    • ned

  8. Queue Memory Management 1 2

    By Cat,
    • 41 replies
    • 44k views

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

    By PA-Paul,
    • 39 replies
    • 42.2k views
    • Cat
    • Cat

  10. Instructional videos on YouTube 1 2

    By drjdpowell,   
    • 49 replies
    • 41k views

  11. Encryption Keys

    By GregFreeman,
    • 7 replies
    • 38.4k views

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

    By Neil Pate,
    • 81 replies
    • 36.2k views

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

    By Norm Kirchner,   
    • 34 replies
    • 35.1k views

  14. Object-Based State Machine Pattern

    By Daklu,
    • 24 replies
    • 33.1k views

  15. Lapdog over the network? 1 2 3

    By GregSands,   
    • 63 replies
    • 32k views

  16. Best Practices in LabVIEW 1 2

    By John Lokanis,
    • 25 replies
    • 31.7k views

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

    By Steen Schmidt,
    • 46 replies
    • 31.5k views

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

    By jbjorlie,   
    • 36 replies
    • 30.7k views

  19. How do you model this? 1 2

    By Daklu,
    • 26 replies
    • 30.4k views

  20. Waveform chart X scale not matching time correctly

    By patufet_99,   
    • 13 replies
    • 30.4k views

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

    By Norm Kirchner,
    • 21 replies
    • 29.5k views

  22. CLA Exam Question

    By Daklu,
    • 17 replies
    • 28.1k views

  23. Best way to share data from different subpanels?

    By Labview Junky,   
    • 23 replies
    • 27.4k views

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

    By PaulL,
    • 20 replies
    • 24.9k views

  25. Non-OOP Design Patterns 1 2

    By Cat,
    • 39 replies
    • 24.7k views

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

    By AlexA,
    • 18 replies
    • 23.5k views

  27. Application Task Kill on Exit?

    By hooovahh,
    • 22 replies
    • 23k views

  28. Explanation of LabVIEW Execution Systems and Thread Priorities

    By ak_nz,
    • 12 replies
    • 22.7k views

  29. Network Messaging and the root loop deadlock 1 2

    By John Lokanis,   
    • 32 replies
    • 22.6k views

  30. Events or Queues 1 2

    By Bhaskar Peesapati,
    • 27 replies
    • 22.2k views

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

    By Fab,   
    • 23 replies
    • 21.5k views
    • Fab
    • Fab

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

    By crelf,
    • 34 replies
    • 21.3k views

  33. Data transfer strategies for FPGA-RT-Host

    By Max Joseph,   
    • 8 replies
    • 21.2k views

  34. Notifier with buffer 1 2

    By Mads,
    • 27 replies
    • 21.1k views

  35. Design advice needed for data acquisition system 1 2

    By brownx,
    • 38 replies
    • 20.2k views

  36. State Diagram Editor

    By viSci,
    • 7 replies
    • 19.7k views

  37. NLog logging engine for LabVIEW

    By JodyK,   
    • 14 replies
    • 19.6k views

  38. plugin HAL

    By 0_o,
    • 23 replies
    • 19.5k views

  39. Node Map Tool?

    By John Lokanis,   
    • 16 replies
    • 19.3k views

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

    By Mechatroner,
    • 29 replies
    • 18.6k views

  41. Abstraction layer

    By PaulG.,
    • 16 replies
    • 18.5k views

  42. Question about the JKI state machine

    By eberaud,   
    • 18 replies
    • 18.4k views

  43. DVR, SEQ, FGV, Semaphores

    By ned,
    • 20 replies
    • 18.3k views
    • ned
    • ned

  44. Simple Modular MVC

    By abrink,   
    • 20 replies
    • 18.3k views

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

    By Omar Mussa,
    • 15 replies
    • 18.1k views

  46. How to execute a executable program from LabVIEW?

    By Yanan,
    • 6 replies
    • 18k views

  47. How do I use interrupts?

    By Itamar,
    • 12 replies
    • 17.8k views

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

    By AlexA,
    • 29 replies
    • 17.8k views

  49. String with multiple delimiters

    By Bira,   
    • 8 replies
    • 17.8k views

  50. Error Handling in messaging systems 1 2

    By John Lokanis,   
    • 28 replies
    • 17.8k views

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

    By styrum,
    • 20 replies
    • 17.2k views

  52. Bugzilla for requirements management

    By ASTDan,
    • 10 replies
    • 17.1k views

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

    By Farid2010,
    • 28 replies
    • 17k views

  54. one producer, two consumers

    By gator,
    • 9 replies
    • 16.8k views

  55. LV2010 weirdness

    By mike5,
    • 10 replies
    • 16.8k views

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

    By Jon Kokott,   
    • 10 replies
    • 16.5k views

  57. Generating event off windows message queue

    By GregFreeman,   
    • 21 replies
    • 16.4k views

  58. Reading fixed size of elements using FPGA FIFO

    By Yang,   
    • 13 replies
    • 16.1k views

  59. Communication between projects

    By EOF,
    • 11 replies
    • 15.8k views

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

    By Michael Aivaliotis,   
    • 10 replies
    • 15.7k views

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

    By manigreatus,   
    • 14 replies
    • 15.6k views

  62. Re-entrant VI with Front Panel

    By jgcode,
    • 17 replies
    • 15.6k views

  63. Terminating Producer Consumer Loops

    By AlexA,
    • 10 replies
    • 14.9k views

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

    By David Yee,   
    • 8 replies
    • 14.7k views

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

    By Steen Schmidt,
    • 9 replies
    • 14.7k views

  66. Multiple Test Executives

    By NeilA,
    • 21 replies
    • 14.5k views

  67. Custom subarrays

    By HugoChrist,
    • 10 replies
    • 14.5k views

  68. Message Routing Architecture

    By Mark Balla,
    • 7 replies
    • 14.5k views

  69. performance of queue of large arrays

    By Mark Zvilius,
    • 13 replies
    • 14.3k views

  70. Strict Variant <-> Numeric conversion

    By mike5,
    • 23 replies
    • 14.3k views

  71. JKI State Machine Sub States

    By jgcode,
    • 15 replies
    • 13.9k views

  72. XControls and user events

    By Ton Plomp,
    • 19 replies
    • 13.8k views

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

    By pete_dunham,
    • 27 replies
    • 13.6k views

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

    By asbo,
    • 26 replies
    • 13.6k views

  75. .net Events in LabVIEW causing memory leak ?

    By Runjhun,   
    • 11 replies
    • 13.6k views

  76. Labview Programming Structures

    By murray,
    • 10 replies
    • 13.5k views

  77. Multi-user acess to cRIO

    By BradPID,
    • 19 replies
    • 13.5k views

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

    By PA-Paul,
    • 8 replies
    • 13.3k views
    • lvb
    • lvb

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

    By george seifert,
    • 7 replies
    • 13.3k views

  80. Plugins, PPLs and the MGI Solution Explorer

    By QueueYueue,
    • 8 replies
    • 13.3k views

  81. MultiQ

    By Mads,   
    • 16 replies
    • 13.1k views

  82. Style Tips for Spaghetti Block Diagram

    By TUzzell,
    • 6 replies
    • 13k views

  83. PID in water tank simulation

    By David M.,
    • 7 replies
    • 13k views

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

    By siruami,
    • 6 replies
    • 13k views

  85. Try Multiple Type Casts

    By Norm Kirchner,
    • 16 replies
    • 12.8k views

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

    By David Boyd,
    • 6 replies
    • 12.5k views

  87. Launching a Dynamic VI Staticly

    By Ryan Podsim,
    • 10 replies
    • 12.2k views

  88. Parallel Process

    By drjdpowell,
    • 7 replies
    • 12.1k views

  89. Calling an subVI asynchronously

    By Doug Harper,
    • 8 replies
    • 12.1k views

  90. VI server

    By Benoit,   
    • 15 replies
    • 12.1k views

  91. Hash table equivalent

    By mike5,
    • 6 replies
    • 12.1k views

  92. Overcurrent Protection VI ?

    By Alvaro Espínola,   
    • 6 replies
    • 12k views

  93. References Opened in VIs called with "Run VI" method

    By ssv,
    • 14 replies
    • 11.9k views

  94. Shared library PPL dependency problems

    By dcoons,   
    • 4 replies
    • 11.9k views

  95. Actor Framework from NI Week 2010 presentation

    By Aristos Queue,
    • 14 replies
    • 11.9k views

  96. How to select the best LabVIEW architecture?

    By touchthesky,
    • 3 replies
    • 11.9k views

  97. Application Design & Framework

    By Kas,
    • 14 replies
    • 11.8k views
    • Kas
    • Kas

  98. Using user define events instead of queues.

    By dannyt,
    • 9 replies
    • 11.8k views

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

    By Axelwlt,
    • 4 replies
    • 11.8k views

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

    By Mike Le,
    • 8 replies
    • 11.8k views
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