how to enable/disable the VISA option "Show all devices accessible to VISA" with c#

[geck0]

Hi,

I want to know how to enable/ disable the VISA option "Show all devices accessible to VISA" (Measurement & Automation >> Tools » NI-VISA » VISA Options under PXI/PCI and WireFire Interfaces) with C#

this is to see all PXI resourses without the end-user configures nothing

i saw this post

http://forums.ni.com/t5/Instrument-Control-GPIB-Serial/PXI-6682-will-not-show-on-VISA-C-but-will-on-...

so now i want to add to my project

Thanks in advance.

[geck0]

No body have an idea???     😞

[Rialter]

Hi Geck0;

I found that the "Show all devices accessible to VISA" can be changed via the visaconfig.ini file changing the section:

[VISA-CONFIG]
ShowRegisteredDevOnly = 0

Here is a link to a document in which this is explained a little more, although I couldn't find the file on the specified path (in fact I found two visaconfig.ini that could be the ones that needed to be changed) inside:

C:\Program Files\IVI Foundation\VISA\WinNT\NIvisa

C:\ProgramData\National Instruments\NIvisa

I hope the information is useful.

Good Luck

[geck0]

 Thank you very much francisco, this information was very usefull to me!!!

Thanks again.