I have some source files that have comments written in Japanese. When I open these files in Visual Studio they appear like this:
à–¾FNCAP‰¹—p‚̃XƒŒƒbƒh
Presumably VS is interpreting the file with the wrong encoding.
Reopen it using "File -> Open -> File... -> Open -> Open With... -> Source Code (Text) Editor With Encoding" and try various encodings.