How can I configure ReSharper's code cleanup on save?

Question

I would love to configure Visual Studio/ReSharper to run \"Code cleanup\" whenever I save a file.

A bonus would be to configure this only for C# files, as I sometime

Answer 1

I've created an extension to automatically invoke ReSharper Silent Cleanup on file save: https://visualstudiogallery.msdn.microsoft.com/43be6ead-dabf-4bb1-b019-1e361efd8410

It only supports ReSharper silent cleanup, but it works.

2018 Note: This stopped working in later ReSharper versions due to ReSharper api changes