Download this extension from the Visual Studio Marketplace or get the CI build.
Basic language support for IDL, MIDL and WebIDL. Provides syntax highlighting, outlining, commenting and more. Supports both .idl an .webidl files.
Based on the Textmate grammar by andik.
If you enjoy using the extension, please give it a ★★★★★ rating on the Visual Studio Marketplace.
Should you encounter bugs or if you have feature requests, head on over to the GitHub repo to open an issue if one doesn't already exist.
Pull requests are also very welcome, since I can't always get around to fixing all bugs myself. This is a personal passion project, so my time is limited.
Another way to help out is to sponsor me on GitHub.