How to tell emacs to open .h file in C++ mode?

Question

What lines should I add to my _emacs (on Windows) file to have it open .h files in C++ mode? The default is C mode.

Answer 1

Try this:

(add-to-list 'auto-mode-alist '("\\.h\\'" . c++-mode))

Whenever you open .h files, C++-mode will be used.