UWP: Get content type from file extension

Question

In .NET Core I have FileExtensionContentTypeProvider which maps file extension to content type. What do I have in UWP? Though I can use StorageFile.ContentType after StorageFile.GetFolderFromPathAsync but it's an overkill.

Answer 1

Hello,

Welcome to Microsoft Q&A!

Get content type from file extension

I have to say that there is no such native UWP API that could map the file extension to content type in UWP like FileExtensionContentTypeProvider does. Using StorageFile.ContentType property to get the MIME type is the correct way to do it in UWP.

Thank you.

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Answer 2

After some hours of research, I found a solution based on the following resources:

https://github.com/dotnet/aspnetcore/blob/main/src/Middleware/StaticFiles/src/FileExtensionContentTypeProvider.cs

https://github.com/samuelneff/MimeTypeMap/blob/master/MimeTypeMap.cs

https://github.com/LarsKoelpin/magic-bytes/blob/master/src/model/pattern-tree.ts

https://referencesource.microsoft.com/#system.web/MimeMapping.cs,7055a730482f1c16,references