In order to maintain the unity of code style in teamwork, we should format the code before submitting to Github.

Shortcut Key

Format the code in Visual Studio 2019 (Windows):

Shortcut Key	Description
Ctrl + K, and Ctrl + D	Format the whole document
Ctrl + K, and Ctrl + F	Format Selection only

Set Code Style

For set code style in Visual Studio 2019, from top menu: Tools -> Options -> Text Editor options, then click the language of your choice(I used C++).

Set Keyboard

For change the shortcut key in Visual Studio 2019, from top menu: Tools -> Options -> Environment -> Keyboard options.

Extensions

Of course, you can also use an extension to automatically format the code when it is saved, from top menu: Extensions -> Manage Extensions, then search format in the upper right corner and install Format document on Save.