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Calling External Code

DLLs, ActiveX, DotNET, Windows API, OLE and anything else related to communicating with external code, applications and processes.

799 topics in this forum

  1. Running a LabVIEW EXE from the Console 1 2

    By John Lokanis,
    • 32 replies
    • 51.2k views

  2. Passing array of string to C dll 1 2

    By Reikira,
    • 32 replies
    • 33.5k views

  3. Pointers to Variants 1 2

    By ShaunR,   
    • 48 replies
    • 29.4k views

  4. Help on building a DLL in LabVIEW and then calling the same DLL in LabVIEW

    By Fab,   
    • 24 replies
    • 28.7k views

  5. labview queue from native windows dll

    By Mark Zvilius,
    • 24 replies
    • 27.3k views

  6. Sending an array of clusters to a C dll

    By c_w_k,
    • 23 replies
    • 25.3k views
    • ned
    • ned

  7. What is the state-of-the-art of Python-LabVIEW integration?

    By drjdpowell,   
    • 22 replies
    • 22.8k views

  8. Re-using the command line interface

    By Ton Plomp,   
    • 16 replies
    • 22.6k views
    • 123
    • 123

  9. Running System Exec vi as Administrator in Win7

    By BobbyCee,
    • 8 replies
    • 22.4k views

  10. Nested DLLs 1 2

    By Neil Pate,
    • 38 replies
    • 21.4k views

  11. Dll Thread calling

    By Bobillier,
    • 13 replies
    • 20.8k views

  12. NI LabVIEW C Generator

    By Michael Aivaliotis,
    • 10 replies
    • 20.3k views
    • Fab
    • Fab

  13. PostgreSQL dll issue 1 2

    By FixedWire,   
    • 25 replies
    • 19.4k views

  14. LabVIEW Call Library Function Node - Union Pointer handling 1 2

    By Ryan Vallieu,
    • 42 replies
    • 19.4k views

  15. Calling GetValueByPointer.xnode in executable

    By EricLarsen,   
    • 10 replies
    • 18.3k views

  16. Call Library Function node with Vector's CANcaseXL and vxlapi.dll

    By Automan,
    • 9 replies
    • 18k views

  17. using "system exec.vi" to get file opened in excel

    By longzoo,   
    • 7 replies
    • 17.8k views

  18. Matlab Script Node doesn't update when .m file edited externally

    By Pat O,
    • 5 replies
    • 16.6k views
    • X___
    • X___

  19. LabVIEW VI and C callback

    By bublina,   
    • 14 replies
    • 16k views

  20. call library function node error 13

    By Rammer,
    • 4 replies
    • 16k views

  21. System exec with a timeout

    By Ton Plomp,
    • 18 replies
    • 15.7k views

  22. Filling a cluster with strings and arrays dynamically

    By jbone,
    • 18 replies
    • 15.1k views

  23. PDF extract text

    By Graeme,
    • 5 replies
    • 14.9k views

  24. Range Function in Excel

    By menghuihantang,
    • 0 replies
    • 14.7k views

  25. Heap corruption

    By bublina,
    • 4 replies
    • 14.3k views

  26. LabVIEW client for Jupyter Kernels

    By gb119,
    • 18 replies
    • 14.1k views

  27. AES 128 LabVIEW via php - Please Review

    By Justin Reina,
    • 11 replies
    • 13.8k views

  28. Catching Windows AppClose events

    By jdunham,
    • 9 replies
    • 13.7k views

  29. Determine 32 or 64Bit OS - Windows

    By KFadgen,
    • 7 replies
    • 13.4k views

  30. Active Directory - Get CommonName from UserName

    By crelf,
    • 5 replies
    • 13.4k views

  31. ActiveX variant to LabVIEW variant

    By lordsathish,
    • 6 replies
    • 13.4k views
    • lvb
    • lvb

  32. Reading the string output of a DLL

    By eberaud,   
    • 11 replies
    • 13.2k views

  33. Customizing Your Applications Taskbar Functionality

    By GregFreeman,   
    • 16 replies
    • 13.2k views

  34. TCP with TLS (SSL)

    By bjones,   
    • 6 replies
    • 13k views

  35. Is it possible to run Excel in the background?

    By Steve Morris,
    • 8 replies
    • 13k views

  36. DLL Linked List To Array of Strings

    By GregFreeman,
    • 18 replies
    • 13k views

  37. Trying to target both 32 and 64 bit code

    By Gribo,
    • 12 replies
    • 12.8k views

  38. DLL Error Handling

    By vugie,
    • 9 replies
    • 12.5k views

  39. How To Use UTF Characters in a batch file

    By Neil Pate,
    • 0 replies
    • 12.5k views

  40. Release DLL not working

    By bublina,
    • 22 replies
    • 12.4k views

  41. How to call PostLVUserEvent() with a cluster of scalars from C++?

    By Yair,
    • 11 replies
    • 12.4k views

  42. Accesing COM child object

    By FJ_Sanchez,   
    • 12 replies
    • 12.1k views

  43. converting local path to URI

    By 0_o,
    • 11 replies
    • 11.9k views

  44. Whitepaper on how to write a LabVIEW compatible DLL?

    By John Lokanis,
    • 9 replies
    • 11.9k views
    • Cat
    • Cat

  45. Labview Freeze/Crash using C# .NET dll

    By coolaid,
    • 5 replies
    • 11.8k views

  46. Can someone help me with an example for an existing wrapper DLL which uses function pointer with callback function 1 2

    By Neon_Light,   
    • 26 replies
    • 11.7k views

  47. Accessing Atmel Programmer (Sam-ba v2.9 dll)

    By Tan_godo,
    • 6 replies
    • 11.6k views

  48. How do I handle WM_CLOSE the correct way?

    By Michael Aivaliotis,
    • 9 replies
    • 11.5k views

  49. Getting error 1172 when trying to call a DLL

    By Clinto,
    • 8 replies
    • 11.5k views

  50. Application requires manually specifying .NET dll location

    By chils,   
    • 7 replies
    • 11.5k views

  51. calling Labview DLL from VB.NET

    By Alex723,
    • 13 replies
    • 11.5k views

  52. Can labview and python app talk to each other?

    By njsss,
    • 5 replies
    • 10.8k views

  53. Hidden terminals on the .NET Constructor Node?

    By LogMAN,   
    • 12 replies
    • 10.6k views

  54. Getting and setting the current directory?

    By Daklu,
    • 4 replies
    • 10.6k views

  55. DLLs and Project Instances

    By drjdpowell,
    • 19 replies
    • 10.5k views

  56. Using SolidWorks API

    By Zyga,   
    • 6 replies
    • 10.4k views

  57. Should I use LabPython?

    By Argold,   
    • 8 replies
    • 10.3k views

  58. Using LabVIEW Clusters with .NET Invoke Nodes

    By MikeC3,
    • 5 replies
    • 10.2k views

  59. Creating .NET ICollection

    By EricLarsen,   
    • 7 replies
    • 10k views

  60. How to make .NET assembly callable

    By JanJorgensen,
    • 9 replies
    • 9.9k views

  61. Events from within .Net Interop Assemblies?

    By Daklu,
    • 8 replies
    • 9.8k views

  62. Does anyone know how to generate a user event from Python code?

    By Argold,
    • 18 replies
    • 9.7k views

  63. Exception thrown when trying to load shell32.dll with .NET

    By GregFreeman,   
    • 6 replies
    • 9.7k views

  64. When accessing a .NET assembly from LV, I cannot see Public Methods and I CAN See Internal Methods

    By wesramm,
    • 1 reply
    • 9.6k views

  65. LabVIEW and WinSCP

    By mstoeger,
    • 3 replies
    • 9.5k views

  66. ITreeView activex library

    By Bjarne Joergensen,
    • 9 replies
    • 9.4k views

  67. Call Library Function Node fails depending on run location

    By russellb78,
    • 6 replies
    • 9.4k views

  68. Memory mapped files, Windows

    By torekp,   
    • 7 replies
    • 9.4k views

  69. 2 executables, 2 computers, 1 calls the other

    By torekp,
    • 19 replies
    • 9.2k views

  70. Dynamically calling Mathscript .m file in EXE

    By drjdpowell,   
    • 5 replies
    • 9.2k views

  71. passing 1 d array from Labview dll to c++

    By PALABIYIK,
    • 2 replies
    • 9.2k views

  72. .Net - "An error occurred trying to load this assembly."

    By Daklu,
    • 0 replies
    • 9.2k views

  73. .NET: Citizen.LayoutUtilities.Printing - Controller.Open() open fails

    By Michael Uray,
    • 11 replies
    • 9.1k views

  74. Problem with a .dll for HID device

    By Joshwa,
    • 2 replies
    • 9k views

  75. Windows messaging between 2 VIs?

    By torekp,   
    • 4 replies
    • 9k views

  76. Opening Windows Explorer to a specific directory

    By Norm Kirchner,
    • 6 replies
    • 8.9k views

  77. Closing the Matlab Command Window

    By Pat O,
    • 3 replies
    • 8.8k views

  78. How to know the available function's parameter list?

    By Breakpoint,
    • 6 replies
    • 8.7k views

  79. DLL, Call Library Function and IntanceDataPtr questions

    By jbone,
    • 6 replies
    • 8.7k views

  80. .NET - Error 1172

    By andreaC,
    • 1 reply
    • 8.7k views

  81. Adapt to Type: Handles by Value vs. Pointers to Handles

    By GeorgeG,
    • 3 replies
    • 8.6k views

  82. How to match the data type when I call a DLL

    By Yanan,
    • 6 replies
    • 8.6k views

  83. LabVIEW Equivalent of Visual Basic's 'For Each' Syntax

    By iannicholson,
    • 5 replies
    • 8.5k views

  84. Callin a mixed mode (c#,managed c++) dll in Labview

    By demess,
    • 11 replies
    • 8.5k views

  85. ASIO Sound Access

    By FrankH,   
    • 3 replies
    • 8.5k views

  86. MoveFileWithProgress problem from kernel32.dll

    By Houmoller,   
    • 9 replies
    • 8.4k views

  87. ClearPath-SC API

    By AInvisibleNinja,   
    • 6 replies
    • 8.4k views

  88. Checking if a control is a sequence context

    By ganeshkumar1989,   
    • 9 replies
    • 8.4k views

  89. Inelegant DLL Interface [long rant/question]

    By tkuiper,
    • 6 replies
    • 8.4k views

  90. SAP BAPI ActiveX Interface

    By S59X,
    • 2 replies
    • 8.3k views
    • S59X
    • S59X

  91. Data type matching when calling a DLL

    By patufet_99,   
    • 6 replies
    • 8.3k views

  92. DigitalPersona Fingerprint Driver

    By Noxious,
    • 2 replies
    • 8.2k views

  93. Call Library Function Exception Error

    By viSci,
    • 13 replies
    • 8.2k views

  94. Blocking behavior with WinHttpRequest object (ActiveX/Automation)

    By Rob Calhoun,
    • 2 replies
    • 8.1k views

  95. How to deal with clusters containing clusters?

    By Fred chen,   
    • 8 replies
    • 8.1k views

  96. how to communicate between C# window application and Labview for data sharing?

    By Geeta Tirlapur,
    • 1 reply
    • 8k views

  97. SAP Remote Function Call

    By Pswabian,
    • 1 reply
    • 7.9k views

  98. Generate computer ID

    By gyc,
    • 2 replies
    • 7.9k views

  99. LabVIEW crashes when calling OpenCV dll

    By Zyga,   
    • 3 replies
    • 7.9k views

  100. NumericArrayResize

    By prashant_bhutani,
    • 10 replies
    • 7.8k views
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