The Windows platform code for your plugin is located in
hello_plugin/Source Files and hello_plugin/Header Files in
the Solution Explorer.

You can run the example app by right-clicking hello_example in
the Solution Explorer and selecting Set as Startup Project,
then pressing the run (▶) button. Important: After
making changes to plugin code, you must select
Build > Build Solution before running again, otherwise
an outdated copy of the built plugin will be run instead
of the latest version containing your changes.

Step 2g: Connect the API and the platform code

Finally, you need to connect the API written in Dart code with
the platform-specific implementations.
This is done using a platform channel,
or through the interfaces defined in a platform
interface package.

Add support for platforms in an existing plugin project

To add support for specific platforms to an
existing plugin project, run flutter create with
the --template=plugin flag again in the project directory.
For example, to add web support in an existing plugin, run: