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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
    • 46.6k views

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

    By MViControl,
    • 42 replies
    • 45.3k views

  3. Multiple While Loops

    By AlexA,
    • 22 replies
    • 42.6k views
    • ned
    • ned

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

    By Daklu,
    • 52 replies
    • 42k views

  5. Poll on Architecture and Frameworks 1 2 3 4

    By drjdpowell,
    • 97 replies
    • 40.1k views

  6. Decoupling the UI 1 2 3

    By Cat,
    • 71 replies
    • 37.8k views

  7. Encryption Keys

    By GregFreeman,
    • 7 replies
    • 36.9k views

  8. Queue Memory Management 1 2

    By Cat,
    • 41 replies
    • 36.3k views

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

    By Kas,   
    • 74 replies
    • 36.2k views

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

    By PA-Paul,
    • 39 replies
    • 34.3k views
    • Cat
    • Cat

  11. Instructional videos on YouTube 1 2

    By drjdpowell,   
    • 49 replies
    • 30.8k views

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

    By Norm Kirchner,   
    • 34 replies
    • 27.7k views

  13. Waveform chart X scale not matching time correctly

    By patufet_99,   
    • 13 replies
    • 26.3k views

  14. Object-Based State Machine Pattern

    By Daklu,
    • 24 replies
    • 25.8k views

  15. Best Practices in LabVIEW 1 2

    By John Lokanis,
    • 25 replies
    • 24.8k views

  16. CLA Exam Question

    By Daklu,
    • 17 replies
    • 24.1k views

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

    By Steen Schmidt,
    • 46 replies
    • 22.5k views

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

    By jbjorlie,   
    • 36 replies
    • 22.2k views

  19. How do you model this? 1 2

    By Daklu,
    • 26 replies
    • 22k views

  20. Best way to share data from different subpanels?

    By Labview Junky,   
    • 23 replies
    • 21.6k views

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

    By Neil Pate,
    • 81 replies
    • 21.6k views

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

    By Norm Kirchner,
    • 21 replies
    • 21k views

  23. Lapdog over the network? 1 2 3

    By GregSands,   
    • 63 replies
    • 20.7k views

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

    By PaulL,
    • 20 replies
    • 19.9k views

  25. Application Task Kill on Exit?

    By hooovahh,
    • 22 replies
    • 19.2k views

  26. Explanation of LabVIEW Execution Systems and Thread Priorities

    By ak_nz,
    • 12 replies
    • 19.1k views

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

    By AlexA,
    • 18 replies
    • 18.9k views

  28. Non-OOP Design Patterns 1 2

    By Cat,
    • 39 replies
    • 18.6k views

  29. State Diagram Editor

    By viSci,
    • 7 replies
    • 18.2k views

  30. Notifier with buffer 1 2

    By Mads,
    • 27 replies
    • 16.2k views

  31. How to execute a executable program from LabVIEW?

    By Yanan,
    • 6 replies
    • 15.9k views

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

    By Fab,   
    • 23 replies
    • 15.9k views
    • Fab
    • Fab

  33. Data transfer strategies for FPGA-RT-Host

    By Max Joseph,   
    • 8 replies
    • 15.8k views

  34. Network Messaging and the root loop deadlock 1 2

    By John Lokanis,   
    • 32 replies
    • 15.7k views

  35. How do I use interrupts?

    By Itamar,
    • 12 replies
    • 15.5k views

  36. Bugzilla for requirements management

    By ASTDan,
    • 10 replies
    • 14.8k views

  37. LV2010 weirdness

    By mike5,
    • 10 replies
    • 14.6k views

  38. Node Map Tool?

    By John Lokanis,   
    • 16 replies
    • 14.5k views

  39. NLog logging engine for LabVIEW

    By JodyK,   
    • 14 replies
    • 14.5k views

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

    By crelf,
    • 34 replies
    • 14.4k views

  41. plugin HAL

    By 0_o,
    • 23 replies
    • 14.2k views

  42. DVR, SEQ, FGV, Semaphores

    By ned,
    • 20 replies
    • 14.2k views
    • ned
    • ned

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

    By Omar Mussa,
    • 15 replies
    • 14.1k views

  44. Simple Modular MVC

    By abrink,   
    • 20 replies
    • 14k views

  45. one producer, two consumers

    By gator,
    • 9 replies
    • 13.9k views

  46. Events or Queues 1 2

    By Bhaskar Peesapati,
    • 27 replies
    • 13.9k views

  47. Communication between projects

    By EOF,
    • 11 replies
    • 13.7k views

  48. Question about the JKI state machine

    By eberaud,   
    • 18 replies
    • 13.7k views

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

    By Mechatroner,
    • 29 replies
    • 13.5k views

  50. Abstraction layer

    By PaulG.,
    • 16 replies
    • 13.3k views

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

    By AlexA,
    • 29 replies
    • 13k views

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

    By Michael Aivaliotis,   
    • 10 replies
    • 12.8k views

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

    By styrum,
    • 20 replies
    • 12.7k views

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

    By Jon Kokott,   
    • 10 replies
    • 12.7k views

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

    By manigreatus,   
    • 14 replies
    • 12.6k views

  56. Re-entrant VI with Front Panel

    By jgcode,
    • 17 replies
    • 12.5k views

  57. Reading fixed size of elements using FPGA FIFO

    By Yang,   
    • 13 replies
    • 12.5k views

  58. String with multiple delimiters

    By Bira,   
    • 8 replies
    • 12.5k views

  59. Message Routing Architecture

    By Mark Balla,
    • 7 replies
    • 12.2k views

  60. Design advice needed for data acquisition system 1 2

    By brownx,
    • 38 replies
    • 12.1k views

  61. Terminating Producer Consumer Loops

    By AlexA,
    • 10 replies
    • 12k views

  62. Generating event off windows message queue

    By GregFreeman,   
    • 21 replies
    • 11.9k views

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

    By Farid2010,
    • 28 replies
    • 11.7k views

  64. PID in water tank simulation

    By David M.,
    • 7 replies
    • 11.5k views

  65. Error Handling in messaging systems 1 2

    By John Lokanis,   
    • 28 replies
    • 11.3k views

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

    By Steen Schmidt,
    • 9 replies
    • 11.3k views

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

    By siruami,
    • 6 replies
    • 11.3k views

  68. Labview Programming Structures

    By murray,
    • 10 replies
    • 11.2k views

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

    By george seifert,
    • 7 replies
    • 11.1k views

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

    By David Yee,   
    • 8 replies
    • 11k views

  71. Custom subarrays

    By HugoChrist,
    • 10 replies
    • 11k views

  72. performance of queue of large arrays

    By Mark Zvilius,
    • 13 replies
    • 11k views

  73. Multiple Test Executives

    By NeilA,
    • 21 replies
    • 10.9k views

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

    By PA-Paul,
    • 8 replies
    • 10.7k views
    • lvb
    • lvb

  75. How to select the best LabVIEW architecture?

    By touchthesky,
    • 3 replies
    • 10.7k views

  76. .net Events in LabVIEW causing memory leak ?

    By Runjhun,   
    • 11 replies
    • 10.6k views

  77. Hash table equivalent

    By mike5,
    • 6 replies
    • 10.6k views

  78. Parallel Process

    By drjdpowell,
    • 7 replies
    • 10.4k views

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

    By David Boyd,
    • 6 replies
    • 10.3k views

  80. Style Tips for Spaghetti Block Diagram

    By TUzzell,
    • 6 replies
    • 10.3k views

  81. Launching a Dynamic VI Staticly

    By Ryan Podsim,
    • 10 replies
    • 10k views

  82. JKI State Machine Sub States

    By jgcode,
    • 15 replies
    • 10k views

  83. XControls and user events

    By Ton Plomp,
    • 19 replies
    • 9.9k views

  84. Using user define events instead of queues.

    By dannyt,
    • 9 replies
    • 9.9k views

  85. MultiQ

    By Mads,   
    • 16 replies
    • 9.9k views

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

    By LHarris,
    • 5 replies
    • 9.8k views

  87. Plugins, PPLs and the MGI Solution Explorer

    By QueueYueue,
    • 8 replies
    • 9.7k views

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

    By Mike Le,
    • 8 replies
    • 9.7k views

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

    By pete_dunham,
    • 27 replies
    • 9.7k views

  90. Overcurrent Protection VI ?

    By Alvaro Espínola,   
    • 6 replies
    • 9.7k views

  91. Multi-user acess to cRIO

    By BradPID,
    • 19 replies
    • 9.6k views

  92. Best way to re-initialize?

    By LHarris,
    • 3 replies
    • 9.6k views

  93. Envelope detector?

    By george seifert,
    • 5 replies
    • 9.5k views

  94. Try Multiple Type Casts

    By Norm Kirchner,
    • 16 replies
    • 9.3k views

  95. Calling an subVI asynchronously

    By Doug Harper,
    • 8 replies
    • 9.3k views

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

    By Axelwlt,
    • 4 replies
    • 9.2k views

  97. VI server

    By Benoit,   
    • 15 replies
    • 9.1k views

  98. Receive a large traffic data program crash

    By Chen Li,   
    • 4 replies
    • 9k views

  99. Shared Variable Woes

    By alecjcook,
    • 3 replies
    • 9k views

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

    By asbo,
    • 26 replies
    • 9k views
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