## 27.1 The wxWindows Toolkit

- Modern operating systems provide libraries for GUI programming.
- The most commonly used C++ GUI toolkit is the MFC (Microsoft Foundation Classes), which is used to write Microsoft Windows programs.
- We will use a different toolkit, called wxWindows:
  - wxWindows is freely available.
  - wxWindows runs on several platforms (including Linux and Macintosh)
  - wxWindows works with a large number of compilers
  - wxWindows is more transparent to the beginning programmer.
  - wxWindows is structurally similar to MFC
- You can download the wxWindows software from `www.wxwindows.org`

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