What is primary interop and how is it used in software?

[Zoeeeeee]

I came across the term primary interop while working with development tools and libraries. I’m trying to understand what it means and how it works in practice. Does it relate to compatibility between applications or frameworks? Any simple explanation or example would be helpful.

 

[Mariam]

Primary Interop Assembly (PIA) is a special .NET assembly that allows managed .NET code to interact with COM components, like Microsoft Office libraries. It basically acts as a bridge so developers can use COM objects in a .NET environment without dealing with low-level COM details. I’ve mostly seen it used when working with Office automation, like controlling Excel or Word from a .NET application, which makes integration much easier.

 

[Arabapbo]

Primary Interop Assemblies (PIAs) are special .NET assemblies that enable managed applications to interact with COM components. They provide a bridge between Microsoft .NET Framework and Component Object Model libraries, allowing developers to call COM objects as if they were native .NET classes in software applications.