Visual C++: Migrating traditional C and C++ string code to a Unicode world

Question

I see that Visual Studio 2008 and later now start off a new solution with the Character Set set to Unicode. My old C++ code deals with only English ASCII text and is full of:

Answer 1

• Around your literal constants with _T(), e.g. _T("Hello world")
  
• Replace char with macros CHAR
• Replace string with wstring

Then all should work.