Interop

🌶️🌶️🌶️ - Interop sample

This project illustrates the use of the 'Interop' feature which allow a C# manage API to call native code.

There are two Solutions in this sample:

• In the awesome-library folder you'll find the solution with the Interop library: NF.AwesomeLib.sln.
• In the test-application folder you'll find the test application that is referencing the Interop library: Test.Interop.sln.

⚠️ This is an advanced topic. ⚠️

Please read this blog post with a detailed explanation on how to create, build and use an Interop library.

Hardware requirements

Any hardware device running a .NET nanoFramework image. You'll be replacing the existing image with one that includes support for the Interop library.

Related topics

Reference

Build the sample

1. Start Microsoft Visual Studio 2022 (VS 2019 and 2017 should be OK too) and select File > Open > Project/Solution.
2. Starting in the folder where you unzipped the samples/cloned the repository, go to the subfolder for this specific sample. Double-click the Visual Studio Solution (.sln) file.
3. Press Ctrl+Shift+B, or select Build > Build Solution.

Run the sample

The next steps depend on whether you just want to deploy the sample or you want to both deploy and run it.

Deploying the sample

• Select Build > Deploy Solution.

Deploying and running the sample

• To debug the sample and then run it, press F5 or select Debug > Start Debugging.

Note

Important: Before deploying or running the sample, please make sure your device is visible in the Device Explorer.

Tip: To display the Device Explorer, go to Visual Studio menus: View > Other Windows > Device Explorer.