LabWindows/CVI

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OPC UA architecture

maybe because i'm using the evaluation version.

i have to install the Full Developement System

 

calling_windows_sdk_functions

Davide Vittorio G. - TLGB S.R.L.
Italian SW Developer
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Message 31 of 54
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I think you're right.

 

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Using LV from 7
Using LW/CVI from 6.0
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Message 32 of 54
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Tryed with a full version but still have the same problem... Smiley Sad

Davide Vittorio G. - TLGB S.R.L.
Italian SW Developer
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Message 33 of 54
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I didn't understand if Windows Kit has been installed during CVI installation by CVI installer itself or if it hasn't.

As I wrote, you can't manually download and install the Windows Kit from MS website and use it in CVI.

 

Does this help you?

 

 

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Message 34 of 54
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i'm reinstalling CVI, which of this i have to chose?

 

Cattura.PNG

Davide Vittorio G. - TLGB S.R.L.
Italian SW Developer
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Message 35 of 54
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The first one is enough.

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Message 36 of 54
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nothing to do, still have the same problem.

are there any .fp or .lib to include?

Davide Vittorio G. - TLGB S.R.L.
Italian SW Developer
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Message 37 of 54
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Now we're sure the Windows Kit is installed properly.

 

I don't know how you are familiar with the usage of Windows Kit, but (as a general rule) every time you include a given .h file from the SDK you must add the relevant .lib to the project.

The .h contains the declarations only (i.e. data types, function prototypes, ...) but the lib contains the definitions (i.e. implementation).

 

To use OPC UA you need WS2_32.lib

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Using LV from 7
Using LW/CVI from 6.0
Message 38 of 54
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build succeded! Smiley Very Happy

if you have time can you explain how to know which .lib i have to include when using a certain library?

i have used this 

C:\Program Files (x86)\Windows Kits\8.1\Lib\winv6.3\um\x86\WS2_32.lib
Davide Vittorio G. - TLGB S.R.L.
Italian SW Developer
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Message 39 of 54
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Great!

I don't know if there is a quicker way but I do this:

  • When the linker gives me an error that function XXXXXXX() is not defined I search for the function name on https://docs.microsoft.com
  • in your case you had WSACleanup() not defined and you can find this page
  • At the bottom of the page you find Requirement section where you can see the Library item (which is ws2_32.lib)
  • Browse on your hard drive inside
    C:\Program Files (x86)\Windows Kits
    until you find the library. If you have more than one file, it depends on the architecure you're building for.

 

Please, open a different topic if you have other issues and/or questions

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Using LV from 7
Using LW/CVI from 6.0
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Message 40 of 54
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