Why can not find "NationalInstruments.Teststand.Interop.API" when add it from C# referenes

[Albert.lu]

Hello experts,

I would like to learn to how to use C# IN teststand,and find an instructio about how build dll in C#.

It said add  "NationalInstruments.Teststand.Interop.API" reference in C# references.

However,it can not be found as attached.

Who can help about this,appreciated for your help.

[Daniel-E]

Hey Albert,

The corresponding assembly is in your first screenshot, listed as "TestStand 2013 API Primary Interop Assembly". 

Hope it helps, and let us know if you have any more questions about it!

[Albert.lu]

Hello,Daniel

Thanks for your information.

I want to learn use C# in teststand,could you please teach me how to get start?

Is there an instruction about how to build the DLL ?

Appreciate your help.

Albert