title: Visual Studio ClangFormat format on save not working
body: <p>I set up clangformat and enabled the Format On Save to true.  I press Ctrl-K, Ctrl-D it formats just like I expect.  I undo that change, press Ctrl-S it doesn't format. I build, it doesn't format.  Ctrl+R, Ctrl-D formats the file as I would expect as does Ctrl+R, Ctrl+F.</p>
  <p>What did I miss?  I assume it's simple.</p>