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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
    • 54.2k views

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

    By MViControl,
    • 42 replies
    • 53.8k views

  3. Self-addressed stamped envelopes 1 2

    By drjdpowell,
    • 45 replies
    • 52.6k views

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

    By Daklu,
    • 52 replies
    • 49.4k views

  5. Multiple While Loops

    By AlexA,
    • 22 replies
    • 45.9k views
    • ned
    • ned

  6. Decoupling the UI 1 2 3

    By Cat,
    • 71 replies
    • 45.7k views

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

    By Kas,   
    • 74 replies
    • 44.6k views

  8. Queue Memory Management 1 2

    By Cat,
    • 41 replies
    • 41.2k views

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

    By PA-Paul,
    • 39 replies
    • 39.3k views
    • Cat
    • Cat

  10. Encryption Keys

    By GregFreeman,
    • 7 replies
    • 37.9k views

  11. Instructional videos on YouTube 1 2

    By drjdpowell,   
    • 49 replies
    • 37.7k views

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

    By Norm Kirchner,   
    • 34 replies
    • 32.6k views

  13. Object-Based State Machine Pattern

    By Daklu,
    • 24 replies
    • 30.6k views

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

    By Neil Pate,
    • 81 replies
    • 29.9k views

  15. Best Practices in LabVIEW 1 2

    By John Lokanis,
    • 25 replies
    • 29.8k views

  16. Waveform chart X scale not matching time correctly

    By patufet_99,   
    • 13 replies
    • 29.5k views

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

    By Norm Kirchner,
    • 21 replies
    • 27.7k views

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

    By jbjorlie,   
    • 36 replies
    • 27.5k views

  19. Lapdog over the network? 1 2 3

    By GregSands,   
    • 63 replies
    • 27.5k views

  20. How do you model this? 1 2

    By Daklu,
    • 26 replies
    • 27.4k views

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

    By Steen Schmidt,
    • 46 replies
    • 27.3k views

  22. CLA Exam Question

    By Daklu,
    • 17 replies
    • 26.9k views

  23. Best way to share data from different subpanels?

    By Labview Junky,   
    • 23 replies
    • 25.6k views

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

    By PaulL,
    • 20 replies
    • 23.2k views

  25. Non-OOP Design Patterns 1 2

    By Cat,
    • 39 replies
    • 22.3k views

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

    By AlexA,
    • 18 replies
    • 22k views

  27. Application Task Kill on Exit?

    By hooovahh,
    • 22 replies
    • 22k views

  28. Explanation of LabVIEW Execution Systems and Thread Priorities

    By ak_nz,
    • 12 replies
    • 21.8k views

  29. Network Messaging and the root loop deadlock 1 2

    By John Lokanis,   
    • 32 replies
    • 20k views

  30. Data transfer strategies for FPGA-RT-Host

    By Max Joseph,   
    • 8 replies
    • 20k views

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

    By Fab,   
    • 23 replies
    • 19.8k views
    • Fab
    • Fab

  32. Notifier with buffer 1 2

    By Mads,
    • 27 replies
    • 19.4k views

  33. State Diagram Editor

    By viSci,
    • 7 replies
    • 19.3k views

  34. Events or Queues 1 2

    By Bhaskar Peesapati,
    • 27 replies
    • 19.1k views

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

    By crelf,
    • 34 replies
    • 18.8k views

  36. Node Map Tool?

    By John Lokanis,   
    • 16 replies
    • 17.7k views

  37. plugin HAL

    By 0_o,
    • 23 replies
    • 17.6k views

  38. Design advice needed for data acquisition system 1 2

    By brownx,
    • 38 replies
    • 17.5k views

  39. NLog logging engine for LabVIEW

    By JodyK,   
    • 14 replies
    • 17.5k views

  40. How to execute a executable program from LabVIEW?

    By Yanan,
    • 6 replies
    • 17.4k views

  41. Abstraction layer

    By PaulG.,
    • 16 replies
    • 17.3k views

  42. How do I use interrupts?

    By Itamar,
    • 12 replies
    • 17.2k views

  43. DVR, SEQ, FGV, Semaphores

    By ned,
    • 20 replies
    • 17.1k views
    • ned
    • ned

  44. Simple Modular MVC

    By abrink,   
    • 20 replies
    • 17.1k views

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

    By Mechatroner,
    • 29 replies
    • 17k views

  46. Question about the JKI state machine

    By eberaud,   
    • 18 replies
    • 16.8k views

  47. String with multiple delimiters

    By Bira,   
    • 8 replies
    • 16.6k views

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

    By Omar Mussa,
    • 15 replies
    • 16.6k views

  49. Bugzilla for requirements management

    By ASTDan,
    • 10 replies
    • 16.3k views

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

    By AlexA,
    • 29 replies
    • 16.3k views

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

    By styrum,
    • 20 replies
    • 16.1k views

  52. LV2010 weirdness

    By mike5,
    • 10 replies
    • 16.1k views

  53. one producer, two consumers

    By gator,
    • 9 replies
    • 16k views

  54. Error Handling in messaging systems 1 2

    By John Lokanis,   
    • 28 replies
    • 15.7k views

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

    By Jon Kokott,   
    • 10 replies
    • 15.3k views

  56. Communication between projects

    By EOF,
    • 11 replies
    • 15.3k views

  57. Reading fixed size of elements using FPGA FIFO

    By Yang,   
    • 13 replies
    • 14.9k views

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

    By Farid2010,
    • 28 replies
    • 14.7k views

  59. Re-entrant VI with Front Panel

    By jgcode,
    • 17 replies
    • 14.5k views

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

    By manigreatus,   
    • 14 replies
    • 14.5k views

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

    By Michael Aivaliotis,   
    • 10 replies
    • 14.5k views

  62. Generating event off windows message queue

    By GregFreeman,   
    • 21 replies
    • 14.3k views

  63. Terminating Producer Consumer Loops

    By AlexA,
    • 10 replies
    • 14k views

  64. Message Routing Architecture

    By Mark Balla,
    • 7 replies
    • 13.9k views

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

    By Steen Schmidt,
    • 9 replies
    • 13.6k views

  66. Custom subarrays

    By HugoChrist,
    • 10 replies
    • 13.4k views

  67. performance of queue of large arrays

    By Mark Zvilius,
    • 13 replies
    • 13.3k views

  68. Multiple Test Executives

    By NeilA,
    • 21 replies
    • 13.2k views

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

    By David Yee,   
    • 8 replies
    • 13.1k views

  70. Labview Programming Structures

    By murray,
    • 10 replies
    • 13k views

  71. .net Events in LabVIEW causing memory leak ?

    By Runjhun,   
    • 11 replies
    • 12.7k views

  72. PID in water tank simulation

    By David M.,
    • 7 replies
    • 12.4k views

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

    By PA-Paul,
    • 8 replies
    • 12.4k views
    • lvb
    • lvb

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

    By siruami,
    • 6 replies
    • 12.3k views

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

    By pete_dunham,
    • 27 replies
    • 12.3k views

  76. Style Tips for Spaghetti Block Diagram

    By TUzzell,
    • 6 replies
    • 12.3k views

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

    By george seifert,
    • 7 replies
    • 12.2k views

  78. MultiQ

    By Mads,   
    • 16 replies
    • 12.1k views

  79. XControls and user events

    By Ton Plomp,
    • 19 replies
    • 12.1k views

  80. JKI State Machine Sub States

    By jgcode,
    • 15 replies
    • 12.1k views

  81. Multi-user acess to cRIO

    By BradPID,
    • 19 replies
    • 12.1k views

  82. Plugins, PPLs and the MGI Solution Explorer

    By QueueYueue,
    • 8 replies
    • 12k views

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

    By David Boyd,
    • 6 replies
    • 12k views

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

    By asbo,
    • 26 replies
    • 11.8k views

  85. Hash table equivalent

    By mike5,
    • 6 replies
    • 11.6k views

  86. Try Multiple Type Casts

    By Norm Kirchner,
    • 16 replies
    • 11.6k views

  87. Strict Variant <-> Numeric conversion

    By mike5,
    • 23 replies
    • 11.5k views

  88. Parallel Process

    By drjdpowell,
    • 7 replies
    • 11.5k views

  89. How to select the best LabVIEW architecture?

    By touchthesky,
    • 3 replies
    • 11.5k views

  90. Launching a Dynamic VI Staticly

    By Ryan Podsim,
    • 10 replies
    • 11.4k views

  91. Calling an subVI asynchronously

    By Doug Harper,
    • 8 replies
    • 11.3k views

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

    By Mike Le,
    • 8 replies
    • 11.3k views

  93. Overcurrent Protection VI ?

    By Alvaro Espínola,   
    • 6 replies
    • 11.2k views

  94. Using user define events instead of queues.

    By dannyt,
    • 9 replies
    • 11.2k views

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

    By Axelwlt,
    • 4 replies
    • 11.2k views

  96. VI server

    By Benoit,   
    • 15 replies
    • 11.1k views

  97. Shared library PPL dependency problems

    By dcoons,   
    • 4 replies
    • 11k views

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

    By LHarris,
    • 5 replies
    • 10.9k views

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

    By ssv,
    • 14 replies
    • 10.8k views

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

    By ParkerJonathan,
    • 9 replies
    • 10.8k views
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