active c++ mode in a block of region

Is it possible to activate C++ mode or any other mode in a block o开发者_运维问答f region? I think this would be convenient when taking notes or integrating C++ with literate style coding.

---

Multiple Major Modes aren't supported by Emacs (yet). But there are hacks to make it work

• EmacsWiki-MultiModes
• MMM at GitHub

---

Try the following emacs wikis:

• Mmm Mode
• Multiple Modes