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

    By MViControl,
    • 42 replies
    • 52.1k views

  2. Poll on Architecture and Frameworks 1 2 3 4

    By drjdpowell,
    • 97 replies
    • 51.3k views

  3. Self-addressed stamped envelopes 1 2

    By drjdpowell,
    • 45 replies
    • 51.2k views

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

    By Daklu,
    • 52 replies
    • 48.2k views

  5. Multiple While Loops

    By AlexA,
    • 22 replies
    • 45.2k views
    • ned
    • ned

  6. Decoupling the UI 1 2 3

    By Cat,
    • 71 replies
    • 43.6k views

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

    By Kas,   
    • 74 replies
    • 42.7k views

  8. Queue Memory Management 1 2

    By Cat,
    • 41 replies
    • 40k views

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

    By PA-Paul,
    • 39 replies
    • 38.3k views
    • Cat
    • Cat

  10. Encryption Keys

    By GregFreeman,
    • 7 replies
    • 37.6k views

  11. Instructional videos on YouTube 1 2

    By drjdpowell,   
    • 49 replies
    • 36.2k views

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

    By Norm Kirchner,   
    • 34 replies
    • 31.6k views

  13. Object-Based State Machine Pattern

    By Daklu,
    • 24 replies
    • 29.7k views

  14. Waveform chart X scale not matching time correctly

    By patufet_99,   
    • 13 replies
    • 28.9k views

  15. Best Practices in LabVIEW 1 2

    By John Lokanis,
    • 25 replies
    • 28.4k views

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

    By Neil Pate,
    • 81 replies
    • 28k views

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

    By Norm Kirchner,
    • 21 replies
    • 26.7k views

  18. CLA Exam Question

    By Daklu,
    • 17 replies
    • 26.3k views

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

    By Steen Schmidt,
    • 46 replies
    • 26.2k views

  20. How do you model this? 1 2

    By Daklu,
    • 26 replies
    • 26.2k views

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

    By jbjorlie,   
    • 36 replies
    • 26.1k views

  22. Lapdog over the network? 1 2 3

    By GregSands,   
    • 63 replies
    • 25.9k views

  23. Best way to share data from different subpanels?

    By Labview Junky,   
    • 23 replies
    • 24.5k views

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

    By PaulL,
    • 20 replies
    • 22.3k views

  25. Non-OOP Design Patterns 1 2

    By Cat,
    • 39 replies
    • 21.6k views

  26. Application Task Kill on Exit?

    By hooovahh,
    • 22 replies
    • 21.4k views

  27. Explanation of LabVIEW Execution Systems and Thread Priorities

    By ak_nz,
    • 12 replies
    • 21.4k views

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

    By AlexA,
    • 18 replies
    • 21.3k views

  29. Data transfer strategies for FPGA-RT-Host

    By Max Joseph,   
    • 8 replies
    • 19.3k views

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

    By Fab,   
    • 23 replies
    • 19.1k views
    • Fab
    • Fab

  31. State Diagram Editor

    By viSci,
    • 7 replies
    • 19k views

  32. Network Messaging and the root loop deadlock 1 2

    By John Lokanis,   
    • 32 replies
    • 18.9k views

  33. Notifier with buffer 1 2

    By Mads,
    • 27 replies
    • 18.7k views

  34. Events or Queues 1 2

    By Bhaskar Peesapati,
    • 27 replies
    • 18.1k views

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

    By crelf,
    • 34 replies
    • 17.8k views

  36. plugin HAL

    By 0_o,
    • 23 replies
    • 17.1k views

  37. How to execute a executable program from LabVIEW?

    By Yanan,
    • 6 replies
    • 17.1k views

  38. Node Map Tool?

    By John Lokanis,   
    • 16 replies
    • 17k views

  39. How do I use interrupts?

    By Itamar,
    • 12 replies
    • 16.9k views

  40. NLog logging engine for LabVIEW

    By JodyK,   
    • 14 replies
    • 16.7k views

  41. Abstraction layer

    By PaulG.,
    • 16 replies
    • 16.6k views

  42. DVR, SEQ, FGV, Semaphores

    By ned,
    • 20 replies
    • 16.4k views
    • ned
    • ned

  43. Simple Modular MVC

    By abrink,   
    • 20 replies
    • 16.4k views

  44. Design advice needed for data acquisition system 1 2

    By brownx,
    • 38 replies
    • 16.3k views

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

    By Mechatroner,
    • 29 replies
    • 16.2k views

  46. Question about the JKI state machine

    By eberaud,   
    • 18 replies
    • 16.2k views

  47. Bugzilla for requirements management

    By ASTDan,
    • 10 replies
    • 16k views

  48. String with multiple delimiters

    By Bira,   
    • 8 replies
    • 15.8k views

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

    By Omar Mussa,
    • 15 replies
    • 15.8k views

  50. LV2010 weirdness

    By mike5,
    • 10 replies
    • 15.7k views

  51. one producer, two consumers

    By gator,
    • 9 replies
    • 15.6k views

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

    By styrum,
    • 20 replies
    • 15.5k views

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

    By AlexA,
    • 29 replies
    • 15.2k views

  54. Communication between projects

    By EOF,
    • 11 replies
    • 14.9k views

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

    By Jon Kokott,   
    • 10 replies
    • 14.8k views

  56. Reading fixed size of elements using FPGA FIFO

    By Yang,   
    • 13 replies
    • 14.4k views

  57. Error Handling in messaging systems 1 2

    By John Lokanis,   
    • 28 replies
    • 14.3k views

  58. Re-entrant VI with Front Panel

    By jgcode,
    • 17 replies
    • 14.2k views

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

    By Michael Aivaliotis,   
    • 10 replies
    • 14.1k views

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

    By Farid2010,
    • 28 replies
    • 14k views

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

    By manigreatus,   
    • 14 replies
    • 14k views

  62. Generating event off windows message queue

    By GregFreeman,   
    • 21 replies
    • 13.7k views

  63. Terminating Producer Consumer Loops

    By AlexA,
    • 10 replies
    • 13.6k views

  64. Message Routing Architecture

    By Mark Balla,
    • 7 replies
    • 13.4k views

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

    By Steen Schmidt,
    • 9 replies
    • 13.2k views

  66. Custom subarrays

    By HugoChrist,
    • 10 replies
    • 12.9k views

  67. performance of queue of large arrays

    By Mark Zvilius,
    • 13 replies
    • 12.9k views

  68. Labview Programming Structures

    By murray,
    • 10 replies
    • 12.6k views

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

    By David Yee,   
    • 8 replies
    • 12.5k views

  70. Multiple Test Executives

    By NeilA,
    • 21 replies
    • 12.5k views

  71. PID in water tank simulation

    By David M.,
    • 7 replies
    • 12.2k views

  72. .net Events in LabVIEW causing memory leak ?

    By Runjhun,   
    • 11 replies
    • 12.2k views

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

    By siruami,
    • 6 replies
    • 12.2k views

  74. Style Tips for Spaghetti Block Diagram

    By TUzzell,
    • 6 replies
    • 12k views

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

    By PA-Paul,
    • 8 replies
    • 12k views
    • lvb
    • lvb

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

    By pete_dunham,
    • 27 replies
    • 11.9k views

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

    By george seifert,
    • 7 replies
    • 11.9k views

  78. JKI State Machine Sub States

    By jgcode,
    • 15 replies
    • 11.7k views

  79. MultiQ

    By Mads,   
    • 16 replies
    • 11.7k views

  80. XControls and user events

    By Ton Plomp,
    • 19 replies
    • 11.6k views

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

    By David Boyd,
    • 6 replies
    • 11.6k views

  82. Multi-user acess to cRIO

    By BradPID,
    • 19 replies
    • 11.5k views

  83. Plugins, PPLs and the MGI Solution Explorer

    By QueueYueue,
    • 8 replies
    • 11.5k views

  84. How to select the best LabVIEW architecture?

    By touchthesky,
    • 3 replies
    • 11.3k views

  85. Hash table equivalent

    By mike5,
    • 6 replies
    • 11.3k views

  86. Parallel Process

    By drjdpowell,
    • 7 replies
    • 11.2k views

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

    By asbo,
    • 26 replies
    • 11.2k views

  88. Launching a Dynamic VI Staticly

    By Ryan Podsim,
    • 10 replies
    • 11.1k views

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

    By Mike Le,
    • 8 replies
    • 11k views

  90. Using user define events instead of queues.

    By dannyt,
    • 9 replies
    • 11k views

  91. Strict Variant <-> Numeric conversion

    By mike5,
    • 23 replies
    • 10.9k views

  92. Overcurrent Protection VI ?

    By Alvaro Espínola,   
    • 6 replies
    • 10.9k views

  93. Calling an subVI asynchronously

    By Doug Harper,
    • 8 replies
    • 10.9k views

  94. Try Multiple Type Casts

    By Norm Kirchner,
    • 16 replies
    • 10.8k views

  95. VI server

    By Benoit,   
    • 15 replies
    • 10.8k views

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

    By Axelwlt,
    • 4 replies
    • 10.7k views

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

    By LHarris,
    • 5 replies
    • 10.6k views

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

    By ParkerJonathan,
    • 9 replies
    • 10.4k views

  99. Shared library PPL dependency problems

    By dcoons,   
    • 4 replies
    • 10.4k views

  100. Envelope detector?

    By george seifert,
    • 5 replies
    • 10.3k views
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