Use of common Windows macros

Win32_lean_and_mean

1. Reference:https://msdn.microsoft.com/en-us/library/windows/desktop/aa383745 (v=vs.85). aspx

2. Instructions for use:

You can reduce the size of the Windows headers files by excluding some of the common API declarations as follows:

•Define Win32_lean_and_meanto exclude APIs such as cryptography, DDE, RPC, Shell, and Windows Sockets.

Usually when we develop Windows programs, the easy-to-use will directly include the "windows.h" header file, but in fact, many of the header file API is not required. Can defineWin32_lean_and_meanMacro to reduce the size of the Windows include header:

#ifdef _windows_                                    // Windows #define Win32_lean_and_mean #include <windows.h> #undef  Win32_lean_and_mean #else                                               // Linux #endif

Use of common Windows macros